First Name Last Name Organization County State Phone E-mailCertification

Date

Mike Adam L & L Builders Woodbury IA mike.adam@llbuilders.com 01/10/2016

Mike Agan Kirk Cross Co Black Hawk IA (319) 234-6641 mikeagan@kirkgross.com 05/29/2013

Matthew Ahlgrimm MSA Professional Services Dubuque IA (563) 584-2889 mahlgrimm@msa-ps.com 12/20/2015

Russ Albenesius Olsson Assoc Dakota NE (402) 494-3059 ralbenesius@olssonassociates.com 05/29/2013

Mark Albrecht Smith-Gehrls Inc Hardin IA (641) 648-4661 mark@smithgehrls.com 08/21/2014

Paul Albritton Iowa State University Story IA (515) 294-1231 palbritt@iastate.edu 11/13/2013

Linda Aldrich Savannah Homes Polk IA (515) 221-2333 linda.savannahhomes@gmail.com 06/29/2017

Jules Alexie Baker Concrete & Excavating Clayton IA (563) 880-9245 jules.alexie@baker-companies.com 05/07/2015

Duane Allers Weitz Industrial LLC Linn IA (319) 350-4729 duane.allers@weitz.com 02/23/2017

Joshua Anderson RW Excavating Solutions, LC Jasper IA (515) 994-2648 janderson@rwexcavating.com 04/13/2017

Taylor Andrew Des Moines Water Works Polk IA (515) 208-1983 andrew@dmww.com 01/28/2014

Charles Arnold Pirc-Tobin Construction Inc Linn IA (319) 842-2130 ledwards@pirctobin.com 12/10/2014

Chad Arp City of Cedar Rapids Linn IA (319) 286-5441 c.arp@cedar-rapids.org 05/18/2016

Kent Backen Integrity Homes Linn IA (319) 551-9802 integritycustomhomes@gmail.com 08/02/2016

Boyce Bailey City of Bondurant Polk IA (515) 967-2418 bbailey@cityofbondurant.com 05/19/2015

Jeff Bainbridge RP Constructors, LLC Union SD sheriy@rpconstructors.com 01/05/2016

Ashley Baker Baker Concrete & Excavating Fayette IA (563) 380-0971 ashley.baker@baker-companies.com 05/06/2016

Matt Baldrige Bush Construction Dubuque IA (563) 344-3791 mj_baldrige@bushconstruct.com 05/07/2015

James Ball Hawkins Construction Douglas NE (402) 342-1607 jball@hawkins1.com 05/29/2013

Randy Banks Polk County Public Works Polk IA (515) 286-2269 randy.banks@polkcountyiowa.gov 03/10/2015

Deb Beck Snyder & Associates, Inc. Polk IA (515) 669-1016 ddbeck@snyder-associates.com 02/23/2017

Andy Becker Becker Construction LLC Linn IA (319) 551-3445 ambecker6@gmail.com 12/20/2015

Charles Beebe City of Coralville Johnson IA (319) 899-3232 stormwater@coralville.org 05/26/2016

Jeff Behan City of West Des Moines Polk IA (515) 222-3475 jeff.behan@wdm.iowa.gov 12/19/2017

Mark Behr Behr Construction Homes Polk IA (515) 202-0633 behrthebuilder@gmail.com 02/03/2015

Frank Bellon Midwest Development Co Linn IA (319) 636-3444 fbellon@mchsi.com 12/10/2014

Kyle Bennett EOR Inc. Story IA (563) 508-8195 kbennett@eorinc.com 09/29/2017

Darwin Bentley City of Cedar Falls Black Hawk IA (319) 268-5170 chase.schrage@cedarfalls.com 03/20/2017

Don Berger City of Cedar Rapids Utilities Linn IA (319) 521-5848 d.berger@cedar-rapids.org 05/19/2015

Rob Bergman Terracon Black Hawk IA (319) 277-4016 rpbergman@terracon.com 03/20/2017

Dean Berkland Boone Community Schools Boone IA (515) 491-7228 dberkland@boone.k12.ia.us 05/29/2013

Alan Bernard Tidy Site Services, LLC Polk IA (515) 480-1818 alan@erosiontek.com 12/15/2016

Russell Betts City of Cedar Rapids Linn IA (319) 286-5802 r.betts@cedar-rapids.org 11/13/2013

Jason Billerbeck Peterson Contractors Grundy IA (319) 415-5229 jbillerbeck@petersoncontractors.com 03/10/2015

Debra Bisping City of Dubuque Dubuque IA (563) 589-4270 enintdbi@cityofdubuque.org 11/13/2013

Brad Blackman Henriksen Washout Systems Polk IA (515) 707-2105 Brad@henriksenwashout.com 12/15/2016

Darrell Blair Des Moines Water Works Polk IA (515) 208-1987 dblair@dmww.com 04/15/2014

Iowa Certified Construction Site Pollution Prevention Inspectors

by Last Name

Updated: 01/17/2018

Adam Blake Skogman Linn IA (319) 290-2017 adamblake@skogman.com 02/26/2016

Cameron Blinn Terracon Black Hawk IA (319) 277-4016 cameron.blinn@terracon.com 03/20/2017

Matt Bollman Integrity Homes Linn IA (319) 551-9802 integritycustomhomes@gmail.com 08/02/2016

Michael Bonewitz Woodruff Companies Johnson IA (319) 333-8808 mikeb@woodruffcompanies.com 09/29/2017

Dustin Bosch DGR Engineering Lyon IA (712) 472-2531 dustin.bosch@dgr.com 03/10/2015

Colleen Bowers Shive-Hattery, Inc. Johnson IA (319) 354-3040 cbowers@shive-hattery.com 12/20/2015

Ryan Bowers Shive-Hattery Iowa City Johnson IA (319) 354-3040 rbowers@shive-hattery.com 05/19/2015

Jeff Boyce Wayne County Wayne IA (641) 872-2025 jboyce@grm.net 11/13/2013

Tyler Boyer Wanzek Construction Fargo ND (218) 368-8529 tboyer@wanzek.com 04/15/2014

Joel Boyle Point Builders Black Hawk IA (319) 243-5720 jboyle@pointbuilders.com 05/06/2016

Lynn Boyle Boyle Farms Dallas IA (515) 681-6376 boylefarms@aol.com 03/20/2017

Jerry Boyles HGM Associates Inc. Pottawattamie IA (712) 323-0530 jboyles@hgmonline.com 12/14/2017

Ron Braga Braga Homes Polk IA (515) 770-7769 rbraga@iowarealty.com 05/07/2015

Chad Brandel Abode Construction Linn IA (319) 541-9216 cbrandel@abodeconstruction.com 03/08/2016

Dan Bratrud IDNR Cerro Gordo IA (641) 424-4073 dan.bratrud@dnr.iowa.gov 03/10/2015

David Breese Woodruff Companies Story, Polk IA (515) 729-6823 daveb@woodruffcompanies.com 09/29/2017

Richard Breese City of Knoxville Marion IA (641) 891-3408 rjbreese@knoxvilleia.gov 05/07/2015

Richard Breiwer KS Energy Servives LLC Dubuque IA (217) 619-2042 Rbreiwer@ksenergyservices.com 04/28/2017

Travis Brekunitch Kirk Gross Company Black Hawk IA (319) 234-6641 travisbrekunitch@kirkgross.com 05/19/2015

Rick Bremel VJ Engineering Johnson IA (319) 321-2320 rbremel@vjengineering.com 09/29/2017

Rob Bremmer KS Energy Servives LLC Dubuque IA (563) 213-6882 rbremmer@ksenergyservices.com 04/28/2017

Jared Bright City of Ankeny Polk IA (515) 963-3334 jbright@AnkenyIowa.gov 10/31/2015

Rob Brimeyer KS Energy Servives LLC Dubuque IA (217) 619-2340 rob@ksenergyservices.com 04/28/2017

Derek Bristol HGM Associates Inc. Pottawattamie IA (712) 323-0530 dbristol@hgmonline.com 12/14/2017

Ben Brommel Envirotraxx Polk IA (515) 369-4900 suzukifour79@gmail.com 09/30/2014

Bill Bruce Bush Construction Scott IA (563) 344-3791 bbruce@bushconstruct.com 10/13/2016

Rusty Brugioni RW Excavating Solutions Jasper IA (515) 994-2648 rbrugioni@rwexcavating.com 12/19/2017

Alexandra Bruns Stanley Consultants, Inc. Johnson IA (319) 359-8823 brunsalexandra@stanleygroup.com 11/03/2017

Dan Bryan RP Constructors, LLC Union SD sheriy@rpconstructors.com 01/05/2016

Michael Jr Bryan RP Constructors, LLC Union SD sheriy@rpconstructors.com 01/05/2016

Mike Bryan City of Marshalltown Marshall IA (641) 754-5709 ssimons@ci.marshalltown.ia.us 11/13/2013

Taylor Burgin Pirc-Tobin Construction Inc Linn IA (319) 842-2130 ledwards@pirctobin.com 12/10/2014

Tyler Burhenn City of Urbandale Polk IA (515) 278-3950 tburhenn@urbandale.org 02/03/2015

Brian Burkholder City of Davenport Scott IA (563) 327-5111 bburkholder@ci.davenport.ia.us 10/13/2016

Ryan Burton Southgate Construction Johnson IA (319) 631-3330 rburton@southgateco.com 04/13/2017

Brody Buskohl City of Johnston Polk IA (515) 278-0822 bbuskohl@cityofjohnston.com 02/26/2016

Thomas Butler Tidy Site Services Polk IA (515) 491-1561 tomwbutler@hotmail.com 10/13/2016

Nate Cahill Southgate Companies Johnson IA (319) 631-0231 ncahill@southgateco.com 08/02/2016

Dan Callahan Grayhawk Homes of Iowa Polk IA (515) 724-9009 dan@grayhawkhomesinc.com 02/03/2015

Jesus Campa Ames Story IA jcampa@city.ames.ia.us 11/10/2016

Chris Campbell GreenTech of Iowa Polk IA (712) 540-5050 chris@greentechiowa.com 12/19/2017

Melissa Campbell City of Sioux City Woodbury IA (712) 279-6349 melissacampbell@sioux-city.org 06/29/2017

Scott Campbell City of Waukee Polk IA (515) 978-7920 scampbell@waukee.org 02/03/2015

Chris Canon FOX Engineering Associates, Inc. Story IA (515) 233-0000 cjc@foxeng.com 04/13/2017

Marci Carter John Deere Black Hawk IA (319) 292-4026 cartermarci@johndeere.com 06/17/2014

Wayne Castle City of Waterloo Black Hawk IA (319) 291-4312 wayne.castle@waterloo-ia.org 07/23/2013

Korey Caves Weitz Company Linn IA (319) 440-0125 korey.caves@weitz.com 06/17/2014

Joel Chandler City of Marshalltown Marshall IA (641) 758-1025 jchandler@ci.marshalltown.ia.us 12/19/2017

Camille Charlesworth Energy Environmental Group Lackawanna PA (570) 209-1856 ccharlesworth@energyenvirogroup.com 11/13/2013

Dave Christensen City of Sergeant Bluff Woodbury IA (712) 899-4882 dave2@cityofsergeantbluff.com 12/14/2017

Kevin Christiansen All American Concrete Muscatine IA (319) 631-5604 edowns@iowatelecom.net 02/06/2014

Ben Clark City of Iowa City Johnson IA (319) 356-5436 ben-clark@iowa-city.org 07/30/2015

Daniel Clark Polk County Polk IA (515) 286-3907 daniel.clark@polkcountyiowa.gov 12/19/2017

Ron Clause L & L Builders Woodbury IA (712) 255-0657 ron@llbuilders.com 01/05/2016

Kevin Clayton KS Energy Servives LLC Dubuque IA (262) 613-6824 kclayton@ksenergyservices.com 04/28/2017

Dave Cleary Terracon Black Hawk IA (319) 277-4016 docleary@terracon.com 03/20/2017

Benjamen Clemons City of Des Moines Polk IA (515) 323-8167 bjclemons@dmgov.org 12/15/2016

Scott Clyce City of Grimes Polk IA (515) 986-3036 sclyce@ci.grimes.ia.us 01/28/2014

Chris Cocherell Perficut Companies Polk IA (515) 202-8297 ccocherell@perficut.com 04/13/2017

Brandon Coffman (641) 757-1990 coffman.brandon@gmail.com 02/26/2016

Kendal Cole Stevens Erosion Control Washington IA (319) 430-1931 kendal.j.cole@gmail.com 03/10/2015

Shawn Cole City of Nevada Story IA (515) 382-5466 citypz@midiowa.net 03/10/2015

Brad Colvin City of Council Bluffs Pottawattamie IA (712) 328-4635 bcolvin@councilbluffs-ia.gov 12/14/2017

Steve Cooper City of Marion Linn IA (319) 743-6340 scooper@cityofmarion.org 11/13/2013

Jenny Corkrean City of Waukee Polk IA (515) 306-8617 jcorkrean@waukee.org 02/03/2015

Lauren Cornelius MSA Professional Services Dubuque IA (563) 582-3973 lcornelius@msa-ps.com 11/13/2013

William Coverdale Avery Technical Resources Madison IA (801) 678-6142 wkcoverdale@hotmail.com 09/29/2017

Tim Crabb ECIA [East Central Intergov'tal Assn] Dubuque IA (563) 690-5772 tcrabb@ecia.org 03/10/2015

Ellet Cramer Koch Fertilizer Ft. Dodge, LLC Webster IA (319) 329-1331 frank.cramer@kochind.com 11/10/2016

Ahern Craven Rasch Construction Webster IA (515) 576-4175 cravenit58@msn.com 03/10/2015

Grant Crow Ground Breaker Homes Polk IA (515) 205-3410 grant@groundbreakerhomes.com 02/03/2015

Kelli Cummings Energy Environmental Group Story IA (570) 690-9983 kcummings@energyenvirogroup.com 11/13/2013

Steve Curry Bush Construction Scott IA (563) 344-3791 scurry@bushconstruct.com 11/03/2017

Nolan Daft City of Clive Polk IA (515) 223-6231 ndaft@cityofclive.com 05/18/2016

Kyle Dagestad ISU Enviro Health & Safety Story IA (515) 294-5359 kdag@iastate.edu 04/15/2014

Jeffrey Daleske Woodruff Companies Webster IA (515) 450-3154 jeffd@woodruffcompanies.com 09/29/2017

Kyle Danley Des Moines Water Works Polk IA (515) 283-8795 danley@dmww.com 01/28/2014

Justin Dean Myers Tree Farm, Inc. Des Moines IA (319) 572-4109 justinmdean@yahoo.com 02/23/2017

Shawn Decker Energy Environmental Group Story IA (570) 690-9055 sdecker@energyenvirogroup.com 09/30/2014

Brian Delagardelle City of Gilbertville Black Hawk IA (319) 240-8065 bedelag@aol.com 02/06/2014

Evan DelVal I+S Group Polk IA (515) 243-9143 evan.delval@is-grp.com 05/07/2015

Gary Denning Polk County Public Works Polk IA (515) 286-3303 gary.denning@polkcountyiowa.gov 11/14/2014

Rob DePover City of Bettendorf Scott IA (563) 344-4056 rdepover@bettendorf.org 10/13/2016

Glenn Dettman Bush Construction Dubuque IA (563) 549-0310 gd_dettman@bushconstruct.com 03/10/2015

Justin DeWitt Stevens Erosion Control Washington IA (319) 430-2567 bstevens2009@hotmail.com 02/06/2014

Zach DeYoung APEX Polk IA (515) 727-8025 zach.deyoung@apexcos.com 06/29/2017

Trevor Dickerson MMS Conultants Johnson IA (319) 351-8282 t.dickerson@mmsconsultants.net 02/26/2016

Aaron Dodds City of Cedar Rapids Linn IA (319) 286-5802 a.dodds@cedar-rapids.org 11/13/2013

Mike Dodds Iowa Built Homes Polk IA (515) 538-0057 mike@iowabuilthomes.com 06/29/2017

Justin Dodge Hunziker Polk IA (515) 520-2478 justin@hunziker.com 05/26/2016

Dennis Dofner City of Council Bluffs Pottawattamie IA (712) 328-4635 ddofner@councilbluffs-ia.gov 12/14/2017

Eldon Downs All American Concrete Muscatine IA (319) 631-5604 edowns@iowatelecom.net 02/06/2014

William Downs DuPont Pioneer Polk IA (515) 535-7927 william.d.downs@pioneer.com 04/15/2014

Brendan Driscoll Kirk Gross Company Black Hawk IA (319) 239-1524 brendandriscoll@kirkgross.com 12/15/2015

Justin D'Souza City of Des Moines Polk IA (515) 323-8173 jjdsouza@dmgov.org 05/18/2016

Mark Dungan Polk Couty Polk IA (515) 323-5358 mark.dungan@polkcountyiowa.gov 02/26/2016

Chris Dvorak HBK Engineering Johnson IA (319) 338-7557 cdvorak@hbkengineering.com 05/19/2015

Dan Eckert Dickinson County Engineer Dickinson IA (712) 336-9244 deckert@co.dickinson.ia.us 05/07/2015

Alex Egeland Soil-Tek Polk IA (515) 986-3527 a.egeland@soil-tek.com 03/10/2015

William Eggert Soil-Tek Polk IA (319) 389-0325 w.eggert@soil-tek.com 03/20/2017

Chant Eicke Earthview Environmental Johnson IA (319) 358-2542 chant@eveinc.consulting 10/13/2016

Amal Eltahir Linn Co. Planning & Zoning Linn IA (319) 892-5130 pd.intern1@linncounty.org 07/30/2015

Kevin Engelbrecht Engelbrecht Farms Inc. Scott IA (563) 529-8653 kevineng32@gmail.com 11/03/2017

Rick Engler Bush Construction Scott IA (563) 468-1813 rengler@bushconstruct.com 11/03/2017

Samuel Ennett Waukee Public Works Dallas IA (612) 805-5338 sennett@waukee.org 06/29/2017

Josh Entler Southgate Companies Johnson IA (319) 499-8836 jentler@southgateco.com 12/20/2015

Nik Erickson City of Cedar Falls Black Hawk IA (319) 268-5170 nik.erickson@cedarfalls.com 03/20/2017

Rafael Estrada JEO Consulting Group, Inc. Dakota NE (402) 443-4661 restrada@jeo.com 12/14/2017

Jason Evans Grayhawk Homes of Iowa Polk IA (515) 943-6884 jason@grayhawkhomesinc.com 02/03/2015

Jesse Evans Grand Rail Development Johnson IA (319) 626-6300 mte@southslope.net 05/26/2016

Kris Evans City of Ames Story IA (515) 239-5150 kevans@city.ames.ia.us 05/13/2015

Lonnie Evans Woodruff Companies Webster IA (515) 570-6636 lonniee@woodruffcompanies.com 09/29/2017

Mike Evans Grand Rail Development Johnson IA (319) 626-6300 evans@southslope.net 05/26/2016

Melissa Fagen Pezzetti Erosion Control Polk IA (515) 208-3769 melissa@jperosion.com 02/23/2017

David Feilmeier DGR Engineering Minnehaha SD (605) 339-4157 david.feilmeier@dgr.com 12/14/2017

Kyley Fentress Stormwater And Management Services Scott IA (563) 579-2121 kcfentres@gmail.com 08/02/2016

Sarah Fersdahl DuPont Linn IA sarah.fersdahl@dupont.com 11/10/2016

Jonathan Fettkether Youngblut Contracting Black Hawk IA (319) 296-1411 youngblut@youngblutcontracting.com 05/19/2015

AJ Fink Keystone Homes LLC Polk IA (515) 360-8938 finkconstruction@yahoo.com 02/03/2015

Matt Finley HBK Engineering Johnson IA (319) 338-7557 mfinley@hbkengineering.com 05/19/2015

Isaac Fisher Weitz Industrial LLC Linn IA (641) 638-1319 isaac.fisher@weitz.com 02/23/2017

Jim Fisher City of Hiawatha Linn IA (319) 393-1515 bldginspector@hiawatha-iowa.com 02/06/2014

Meg Flenker Flenker Land Architects Scott IA (563) 225-2255 mflenker@flenkerlandarchitects.com 03/20/2017

Eddie Fletcher KS Energy Servives LLC Dubuque IA (563) 285-3794 efletcher@ksenergyservices.com 04/28/2017

Rob Floral Johnson Enterprises Pottawattamie IA (402) 510-4467 dlyn@djgreenhouses.com 12/14/2017

Dan Flynn Flynn Development Co Polk IA (515) 770-9524 dflynn@flynndevco.com 05/07/2015

Jaclyn Foley QC Silt Fence Scott IA (563) 529-1610 jacki.qcsiltfence@gmail.com 11/03/2017

Matt Foor City of Muscatine Muscatine IA (563) 236-2752 mfoor@muscatineiowa.gov 03/20/2017

Ryan Foreman Koch Industries Webster IA (515) 543-4365 ryan.foreman@kochind.com 05/07/2015

Brian Fortin Snyder & Associates Pottawattamie IA (712) 322-3202 bfortin@snyder-associates.com 12/14/2017

Don Fortmann Iowa State University Story IA (515) 294-2009 fortmann@iastate.edu 12/19/2017

Amy Foster City of Coralville Johnson IA (319) 248-1720 afoster@ci.coralville.ia.us 11/13/2013

Jason Foster Johnson IA (563) 349-9892 jfoster549@gmail.com 11/13/2013

Brad Foulk City of Cedar Falls Black Hawk IA (319) 268-5170 brad.foulk@cedarfalls.com 03/20/2017

Rob Foutch SuBSurfco, LLC Dakota NE (402) 494-2063 robfoutch@msn.com 01/10/2016

Joe Foyt KS Energy Servives LLC Dubuque IA (563) 258-3144 jfoyt@ksenergyservices.com 04/28/2017

Todd Frazier Frazier Homes Johnson IA (319) 929-5700 tfrazierhomes@yahoo.com 03/08/2016

Richard Freeman FOX Engineering Associates, Inc. Story IA (515) 233-0000 rmf@foxeng.com 04/13/2017

Debra Freese Alliant Energy Dubuque IA (563) 584-7388 debbiefreese@alliantenergy.com 05/19/2015

Stephen Freese Woodruff Companies Des Moines IA (319) 759-4001 stephenf@woodruffcompanies.com 09/29/2017

Chuck Freking Covenant Construction Services Polk IA (515) 681-9907 chuckf@ccsvet.com 05/06/2016

Dave French Mohr Enterprieses - French Landscaping Scott IA (563) 505-0414 mohrenterprises@mchsi.com 03/10/2015

Micheal Fridley Q3 Contracting Polk IA (515) 505-4524 john.fridley@q3contracting.com 02/23/2017

Kevin Fritz Southgate Companies Johnson IA (319) 541-2685 kfritz@southgateco.com 08/02/2016

Wyatt Funcke Paper Street Consultants Polk IA (515) 370-4146 wyatt.funcke@gmail.com 09/29/2017

Weston Gaines Avery Pipeline Services Lancaster NE (402) 499-9775 westong66@gmail.com 06/29/2017

James Gammon Ames Story IA (515) 239-5245 jgammon@city.ames.ia.us 11/10/2016

Mario Garcia MidAmerican Polk IA mgarcia2@midamerican.com 05/07/2015

Geoffrey Gardiner City of Des Moines Sewer Ent Div Polk IA (515) 283-4177 gcgardiner@dmgov.org 01/28/2014

Chris Garman City of Bettendorf Scott IA (563) 594-9141 cgarman@bettendorf.org 11/03/2017

Dan Gates Hudson Ia. Public Works Black Hawk IA (319) 988-3600 dgates@cityofhudsonia.com 03/20/2017

Brian Gedlinske University of Northern Iowa Black Hawk IA (319) 273-6581 brian.gedlinske@uni.edu 12/19/2017

Pete Gehrls Smith-Gehrls Inc Hardin IA (641) 648-4661 pete@smithgehrls.com 08/21/2014

Chuck Geyer Bush Construction Dubuque IA (563) 594-9739 cc_geyer@bushconstruct.com 03/10/2015

Kate Giannini Johnson County Johnson IA (319) 337-2322 ext 3 kate.giannini@ia.nacdnet.net 03/08/2016

Terry Gilligan Claassen Engineering Black Hawk IA (319) 235-6294 gilligan@wcesinc.com 03/10/2015

Rachel Glaza Iowa Department of Natural Resources Cerro Gordo IA (641) 424-4073 rachel.glaza@dnr.iowa.gov 12/15/2016

Anthony Gloede Terracon Polk IA (515) 402-5920 anthony.gloede@terracon.com 05/26/2016

Mikayla Goemaat City of Cedar Rapids Linn IA (319) 286-5446 m.goemaat@cedar-rapids.org 06/29/2017

David Goetsch City of Bettendorf Scott IA (563) 344-4088 11/03/2017

Matt Goodale City of West Branch Johnson IA (319) 643-5888 mattg@westbranchiowa.org 11/13/2013

J.D. Goodchild Storm Lake Community School District Buena Vista IA (712) 299-0400 jgoodchild@slcsd.org 11/13/2013

Donald Goswick Ehrhart, Griffin, and Associates Douglas NE (402) 706-3738 dongoswick@ehrhartgriffin.com 12/14/2017

Wendy Greene Alliant Energy Linn IA wendygreene@alliantenergy.com 05/26/2016

Matt Greiner City of Johnston Polk IA (515) 278-0822 mgreiner@cityofjohnston.com 05/29/2013

Chris Griess Kirk Gross Company Black Hawk IA (319) 243-8858 chrisgriess@kirkgross.com 07/30/2015

Muriel Grubb City Of Coralville Johnson IA (319) 248-1720 stormwater@coralville.org 06/29/2017

Leroy Gruneich L & L Builders Woodbury IA leroy.gruneich@llbuilders.com 01/10/2016

Pete Gumina Pezzetti Erosion Control Polk IA (515) 250-6788 jackie@jperosion.com 03/10/2015

Errin Gunderson Pottawattamie County Planning Pottawattamie IA (402) 699-3427 errin.gunderson@pottcounty-ia.gov 05/18/2016

David Guthrie City of Grimes Polk IA (515) 330-9438 dguthrie@ci.grimes.ia.us 11/14/2014

Josh Hackett L & L Builders Woodbury IA josh.hackett@llbuilders.com 01/05/2016

Allyn Hagensick Short Elliott Hendrickson Inc. Cerro Gordo IA (641) 424-6344 ahagensick@sehinc.com 08/02/2016

Darrin Hager Des Moines Water Works Polk IA (515) 208-1894 hager@dmww.com 01/28/2014

Jared Hall Mortenson Construction O'Brien IA (612) 260-2120 jared.hall@mortenson.com 09/25/2014

Danny Halligan City of Cedar Rapids Utilities Dept Linn IA (319) 286-5947 d.halligan@cedar-rapids.org 11/13/2013

Wade Hammersley Terracon Black Hawk IA (319) 277-4016 wade.hammersley@terracon.com 03/20/2017

James Hammitt E & A Consulting Group Douglas NE (401) 707-7517 jhammitt@eacg.com 12/14/2017

Blake Hansen SEH, Inc. Cerro Gordo IA (641) 530-3736 bhansen@sehinc.com 04/13/2017

Ryan Hanson Terracon Osceola IA (515) 210-2981 rchanson@terracon.com 11/13/2013

Tony Hanson City of Waukee Polk IA (515) 978-7920 thanson@waukee.org 02/03/2015

Rick Harbaugh Hall & Hall Engineers Linn IA (319) 362-9548 rick@halleng.com 05/19/2015

Don Hardin Mortenson Construction O'Brien IA (763) 287-5967 don.hardin@mortenson.com 08/07/2014

Blake Harris TR Harris Construction INC Benton IA (712) 223-4400 trharris1960@gmail.com 01/05/2016

Kris Hatfield City of Bettendorf, IA Scott IA (563) 344-4057 khatfield@bettendorf.org 11/03/2017

Samantha Hayden Ankeny Polk IA shayden@ankenyiowa.gov 02/26/2016

Cody Heasley Tidy Site Services Polk IA (515) 360-3905 cody.tidysite@gmail.com 12/19/2017

Nick Hecker Bush Construction Dubuque IA (563) 271-3759 nc_hecker@bushconstruct.com 03/10/2015

Thomas Heefner TJ Heefner Construction Linn IA (319) 864-3312 tcheefner@southslope.net 02/06/2014

David Heer Story IA (515) 232-2788 djh@foxeng.com 05/26/2016

Matt Hemminger Ryan Companies Linn IA (319) 731-2856 matt.hemminger@ryancompanies.com 12/10/2014

John Henderson City of Cedar Falls Black Hawk IA (319) 268-5190 john.henderson@cedarfalls.com 03/20/2017

Dakota Hendey Blattner Energy Mahaska IA (320) 248-0676 dhendey@blattnerenergy.com 06/29/2017

William Hensley Kingston Services LLC Polk IA (515) 402-3875 will@kingston-ia.com 05/13/2015

Scott Hentegs KS Energy Servives LLC Dubuque IA (217) 493-0753 shentges@ksenergyservices.com 04/28/2017

Chris Henze Johnson County Secondary Roads Johnson IA (319) 356-6046 chenze@co.johnson.ia.us 11/13/2013

Robert Herbel Mark Albenesius, Inc. Dakota NE robbie@markalbenesiusinc.com 01/10/2016

Colin Hickman Pezzetti Erosion Control Polk IA (515) 250-6788 jackie@jperosion.com 03/10/2015

Mike Higgins Alfred Benesch & Company Douglas NE (402) 333-5792 mhiggins@benesch.com 12/14/2017

Tim Higgins City of Sioux City Woodbury IA (712) 279-6135 thiggins@sioux-city.org 01/10/2016

Eddie Hilson Grimes Asphalt & Paving Polk IA (515) 266-5173 ehilson@rasmussengroup.com 11/13/2013

Mickey Hindley Bishop Engineering Polk IA mhindley@bishopengr.com 05/18/2016

Phil Hines Abode Construction Linn IA (319) 551-3873 sstoll@abodeconstruction.com 03/08/2016

Charles Hintermeister City of Des Moines Polk IA (515) 283-4956 cwhintermeister@dmgov.org 02/03/2015

Russell Hochstetler City of Waukee Public Works Polk IA (515) 978-7920 rhochstetler@waukee.org 11/13/2013

Val Holm Tiedt Nursery, Ltd. Bremer IA (319) 352-0418 vholm.tnursery@gmail.com 05/06/2016

Eric Holt Genus Landscape Architects Polk IA (612) 483-5028 eholt@genus-la.com 05/18/2016

Travis Hook Pezzetti Erosion Control Polk IA (515) 499-4565 travis@jperosion.com 02/23/2017

Dan Hospers City of Sergeant Bluff Woodbury IA (712) 899-4882 dave2@cityofsergeantbluff.com 12/14/2017

Nate Hotopp Vista Real Estate Polk IA (515) 249-0551 nate@vistarei.com 05/18/2016

Tyler Howe GTG Construction Polk IA (515) 243-6365 tylerh@gtgcompanies.com 11/13/2013

Corey Howrey Soil-Tek Polk IA (319) 389-0325 chow22353@gmail.com 03/20/2017

Kieth Hubbard Des Moines Polk IA (515) 323-8165 klhubbard@dmgov.org 07/30/2015

Robert Hubbard Thompson Environmental Consulting Polk IA (402) 659-5371 rhubbard@tecenv.com 06/17/2014

Tim Huckaby Paper Street Consultants Polk IA (515) 393-0311 thuckaby@paperstreetconsultants.com 03/24/2015

Elizabeth Hunter Snyder & Associates Pottawattamie IA (712) 322-3202 ehunter@snyder-associates.com 12/14/2017

Chris Huss Horsefield Construction Dubuque IA (563) 876-3335 chrish@horsefieldinc.com 04/28/2017

Troy Husted City of Waukee Polk IA (515) 978-7920 thusted@waukee.org 11/14/2014

Kasey Hutchinson City of Cedar Rapids Linn IA (319) 286-5604 k.hutchinson@cedar-rapids.org 09/30/2014

David Hyler Environmental Consultants Polk IA (515) 276-0468 dhyler@ecincorp.com 07/30/2015

Danny Jacks Soil-tek Polk IA (515) 208-2032 danny@soil-tek.com 06/29/2017

Dan Jackson City of Council Bluffs Pottawattamie IA (712) 328-4635 aosbahr@councilbluffs-ia.gov 12/14/2017

Dalton Jacobus City of Ankeny Polk IA (515) 963-3534 djacobus@ankenyiowa.gov 10/31/2015

Kevin Jakobe Orton Homes Polk IA (515) 528-8123 kevin@ortonhomes.com 02/03/2015

Dennis James City of Des Moines Sewer Ent Div Polk IA (515) 283-4177 dejames@dmgov.org 01/28/2014

Angie Januszewski Mortenson Construction O'Brien IA (763) 287-5967 angie.strege@mortenson.com 09/25/2014

Kelly Januszewski Mortenson Construction O'Brien IA (763) 287-5967 angie.strege@mortenson.com 08/07/2014

Joel Jarman L & L Builders Woodbury IA joel@llbuilders.com 01/05/2016

Greg Jensen Caliber Iowa LLC Polk IA (515) 291-3909 greg@caliberiowa.com 04/13/2017

Jeff Johanek Pottawattamie County Pottawattamie IA (712) 242-6850 jeff.johanek@pottcounty-ia.gov 02/23/2017

Chris Johnson City of Bettendorf Scott IA (563) 210-0190 cjohnson@bettendorf.org 01/28/2014

Garrett Johnson JEO Consulting Group Douglas NE (402) 392-9912 gjohnson@jeo.com 09/30/2014

Kent Johnson Soil-tek Polk IA (515) 208-8434 kent@soil-tek.com 02/26/2016

Richard Johnson DGR Engineering Woodbury IA (712) 266-1554 richard.johnson@dgr.com 01/05/2016

Wayne Johnson Polk County Public Works Polk IA (515) 250-7317 wayne.johnson@polkcountyiowa.gov 02/26/2016

Elara Jondle A. Leo Pelds Engineering Company Polk IA (515) 265-8196 elara@pelds.com 12/19/2017

Jennica Jordan Benton IA (319) 558-9512 jennicaspeidel@gmail.com 05/27/2014

Steven Jordan City of Hudson Ia. Black Hawk IA (319) 404-7356 sjordan@cityofhudsonia.com 03/20/2017

Ken Jorgenson Bush Construction Scott IA (563) 344-3791 kjorgenson@bushconstruct.com 03/08/2016

Jerry Junge Weitz Company Linn IA (319) 533-5525 jerry.junge@weitz.com 04/13/2017

Jason Junk Des Moines Water Works Polk IA (515) 208-2392 jjunk@dmww.com 01/28/2014

John Kabitzke Stormwater Management Resources Polk IA (515) 423-5559 jkabit@gmail.com 12/15/2016

Jeffrey Kastens Roloff Construction Douglas NE (402) 690-3051 jeffk@roloffinc.com 04/13/2017

Quentin Kaufman TK Concrete, Inc. Marion IA (641) 204-1968 quentin@vermeergroup.com 12/19/2017

Amy Kay City of Cedar Falls Black Hawk IA (319) 243-2708 amy.kay@cedarfalls.com 05/19/2015

Zak Keninger City of Ankeny Polk IA (515) 963-3531 ZKeninger@AnkenyIowa.gov 10/31/2015

William Ketelsen General Asphalt Scott IA (563) 322-7991 bill.k@generalasphalt.net 03/08/2016

Layne Kettelhake JEO Consulting Group, Inc. Lancaster NE (402) 443-4661 lkettelhake@jeo.com 12/14/2017

Kent Kilpatrick Ryan Companies US Linn IA (319) 731-2800 kent.kilpatrick@ryancompanies.com 08/02/2016

Dan Kimball AECOM Black Hawk IA (319) 232-6531 daniel.kimball@aecom.com 03/20/2017

Jessica Kime Interstate Power & Light Co Muscatine IA (563) 288-3355 jessicakime@alliantenergy.com 05/07/2015

Wayne King L & L Builders Woodbury IA wayne.king@llbuilders.com 01/10/2016

Katie Kinsey Des Moines Water Works Polk IA (515) 283-8796 kinsey@dmww.com 01/28/2014

Jerauld Kippes q3 contracting Polk IA (515) 236-6070 jerauld.kippes@q3contracting.com 03/20/2017

Seth Kjormoe City of Marion Linn IA (319) 743-4736 skjormoe@cityofmarion.org 12/10/2014

Scott Kleppe City of Solon Johnson IA (319) 624-3755 scott.kleppe@solon-iowa.com 11/14/2014

Nick Klosterman Pirc-Tobin Construction Inc Linn IA (319) 842-2130 ledwards@pirctobin.com 12/10/2014

Matthew Knips DGR Engineering Lyon IA (712) 472-2531 matt.knips@dgr.com 08/13/2014

Danny Knispel Altoona, City of Polk IA (515) 967-5136 dknispel@altoona-iowa.com 12/15/2016

Cheryl Knottnerus City of Coralville Johnson IA (319) 248-1740 cknottnerus@coralville.org 03/08/2016

Nick Koelker Koelker Excavating Linn IA (319) 373-2287 koelkerx@aol.com 05/06/2016

Rudy Koester Ames Story IA (563) 419-9411 rkoester@city.ames.ia.us 11/10/2016

Dave Kohlhaase Dickinson County Environmental Health Dickinson IA (712) 336-2770 dkohlhaase@co.dickinson.ia.us 05/07/2015

Ben Kohnen Rasch Construction Webster IA (515) 576-4175 benkohnen@yahoo.com 03/10/2015

Robert Konchalski City of Des Moines Sewer Ent Div Polk IA (515) 283-4177 rjkonchalski@dmgov.org 01/28/2014

Matthew Kopp DGR Engineering Lyon IA (507) 993-2495 matt.kopp@dgr.com 08/13/2014

Mike Kosloske Pezzetti Erosion Control Polk IA (515) 967-0639 mike@jperosion.com 02/23/2017

Gretchen Kozuch Energy Environmental Group Story IA (570) 690-9055 gkozuch@energyenvirogroup.com 09/30/2014

Jamie Kramer City of Cedar Falls Black Hawk IA (319) 268-5511 jamie.kramer@cedarfalls.com 02/23/2017

Jim Kramer Ryan Companies Linn IA (319) 899-2664 jim.kramer@ryancompanies.com 02/06/2014

Kasjen Kramer Skogman Homes Linn IA kasjenkramer@gmail.com 11/10/2016

Chris Kuhl Olsson Assoc Dakota NE (402) 494-3059 ckuhl@olssonassociates.com 05/29/2013

Jacob Kuperman Capital Homes & Renovations Polk IA (515) 778-1718 jake.kuperman@gmail.com 12/19/2017

Shawn Kurasz L & L Builders Woodbury IA shawn.kurasz@llbuilders.com 01/10/2016

Andy Kyte Weitz Company Linn IA (319) 423-0038 andy.kyte@weitz.com 04/13/2017

Mark Lego SuBSurfco, LLC Dakota NE bsmith@dadaviscoinc.net 01/10/2016

Rob Lehman Dallas County Road Dept Dallas IA (515) 993-4289 cindy.harrison@co.dallas.ia.us 11/13/2013

Chad Leimbacher Woodruff Companies Story, Polk IA (515) 509-8608 chadpl@woodruffcompanies.com 09/29/2017

Stephanie Lientz Linn Co. Planning & Zoning Linn IA (319) 892-5130 stephanie.lientz@linncounty.org 07/30/2015

Jason Lietz University of Iowa Johnson IA (319) 335-5063 jason-lietz@uiowa.edu 04/15/2014

Kaylin Livermore Koch Industries Polk IA (515) 543-4365 ext 251 kaylin.livermore@kochind.com 02/26/2016

Steve Locke JEO Consulting Group Polk IA (515) 291-0504 slocke@jeo.com 12/19/2017

Mike Loftsgard Tiedt Nursery, Ltd. Bremer IA (319) 240-2238 mloftsgard.tnursery@gmail.com 05/06/2016

Gerrit E. Long ATCO Enterprises Boone IA (515) 231-6675 glong.atco@gmail.com 05/26/2016

Angel Lowery Gonzalez Companies Douglas NE (402) 614-4468 alowery@gonzalezcos.com 12/14/2017

Aaron Lucken Mortenson Construction O'Brien IA (763) 287-5967 angie.strege@mortenson.com 08/07/2014

Jeremy Lyon Q3 Contracting Polk IA (515) 559-7422 jeremy.lyon@q3contracting.com 02/23/2017

Richard Maaske Mills IA rich_dianem@msn.com 07/23/2013

Chris Macek Soil-tek Polk IA (515) 208-8107 chrism@soil-tek.com 02/26/2016

Nate Madison Covenant Construction Services Polk IA (515) 216-1017 natem@ccsvet.com 05/07/2015

John Mahoney City of West Des Moines Polk IA (515) 222-3475 john.mahoney@wdm.iowa.gov 12/19/2017

Cory Manser GC Construction LLC Warren IA (515) 782-7020 cmanser2@gmail.com 09/29/2017

Steve Martens Bush Construction Dubuque IA (563) 594-9646 sj_martens@bushconstruct.com 03/10/2015

James Martin City of Eldridge Scott IA (563) 285-3929 jmartin@cityofeldridgeia.org 03/08/2016

Riley Marvin Alpha Landscapes LLC Story IA (515) 984-2651 riley@alphalandscapesia.com 09/29/2017

Cara Matteson City of Cedar Rapids Linn IA (319) 386-5605 c.matteson@cedar-rapids.org 05/06/2016

Jim Mauer L & L Builders Woodbury IA jim.mauer@llbuilders.com 01/05/2016

Ben Maurer KS Energy Servives LLC Dubuque IA (262) 424-6847 bmaurer@ksenergyservices.com 04/28/2017

Chris May TWG Development Marion IN (317) 914-5758 cmay@twgdev.com 03/08/2016

Steve Mayberry Iowa State University Story IA (515) 294-2009 swmaybe@iastate.edu 12/19/2017

Ryan Mayer City of Clive Polk IA (515) 223-6221 rmayer@cityofclive.com 04/13/2017

Corey Mayo Olsson Assoc Dakota NE (402) 494-3059 cmayo@oaconsulting.com 05/07/2015

Josh McBrayer DGR Engineering Woodbury IA (712) 266-1554 joshua.mcbrayer@dgr.com 01/05/2016

Ray McCleary Des Moines Water Works Polk IA (515) 323-6210 mccleary@dmww.com 01/28/2014

Chad McDonald Oel Construction Hardin IA (641) 868-2222 chad@oelconstruction.com 05/18/2016

Lindsay McFarland City of Coralville - Stormwater Johnson IA (319) 530-8499 lindsay.mcfarland23@gmail.com 08/21/2014

Troy McGahuey City of Marshalltown Marshall IA (641) 754-5709 ssimons@ci.marshalltown.ia.us 11/13/2013

Jason McGrann City of Bondurant Polk IA (515) 967-2418 jmcgrann@cityofbondurant.com 02/23/2017

Mike McKee Snyder & Associates Pottawattamie IA (712) 322-3202 mmckee@snyder-associates.com 12/14/2017

John McKenzie Cardinal Construction Black Hawk IA (319) 232-5400 jmckenzie@cardinalconst.com 05/19/2015

Alex McLain DGR Engineering Woodbury IA (605) 280-8229 alex.mclain@dgr.com 01/05/2016

Brian McWilliams Short Elliott Hendrickson Inc. Cerro Gordo IA (641) 424-6344 bmcwilliams@sehinc.com 08/02/2016

Craig Meincke CDS Partners, LLC Scott IA (563) 340-5810 craig@platinumdesigndev.com 11/03/2017

Craig Merchant KS Energy Servives LLC Dubuque IA (563) 258-3091 cmerchant@ksenergyservices.com 04/28/2017

Kevin Mericle Bush Construction Scott IA (563) 344-3791 kd_mericle@bushconstruct.com 05/29/2013

Mark Mertens City of Clive Polk IA (515) 223-6221 mmertens@cityofclive.com 04/13/2017

Dan Mertes Perficut Companies Polk IA (515) 208-8397 dmertes@perficut.com 05/07/2015

Dan Messerich JEO Consulting Group Carroll IA (712) 792-9711 dmesserich@jeo.com 01/28/2014

Kevin Metzger Envirotraxx Polk IA (515) 369-4900 jjanssen@pro-commercial.com 04/15/2014

Gregory Meyer Buell Winter Mousel & Associates Woodbury IA (712) 258-4202 bwma.pc@evertek.net 12/14/2017

Clay Miller Iowa State University Story IA (515) 294-2009 crmiller@iastate.edu 10/31/2015

David Miller The Schemmer Associates, Inc. Pottawattamie IA (712) 329-0300 dmiller@schemmer.com 12/14/2017

Lynn Miller Johnson IA (319) 310-6080 kfboom@southslope.net 03/08/2016

Michael Miller City of Hudson Black Hawk IA (319) 988-3600 mmiller@cityofhudsonia.com 11/14/2014

Scott Miller Ames Story IA (515) 608-3296 smiller@city.ames.ia.us 11/10/2016

Nathan Miner Green Tech of Iowa Polk IA (515) 468-7129 nathan@greentechiowa.com 02/26/2016

Pat Mohr Mohr Enterprieses Scott IA (563) 340-7450 mohrenterprises@mchsi.com 03/10/2015

Tanner Molitor City of Altoona Polk IA (515) 967-5138 tmolitor@altoona-iowa.com 06/29/2017

Larry Montz City of Des Moines Sewer Ent Div Polk IA (515) 283-4177 llmontz@dmgov.org 01/28/2014

Carla Moore Pezzetti Erosion Control Polk IA (515) 724-3942 carla@jperosion.com 02/23/2017

John Morgan Ryan Companies Linn IA (319) 270-9841 john.morgan@ryancompanies.com 03/08/2016

Don Moritz L & L Builders Woodbury IA (712) 255-0657 don.moritz@llbuilders.com 12/15/2016

Tony Morse Alliant Energy Linn IA (319) 786-4908 tonymorse@alliantenergy.com 08/02/2016

Tim Moss City of West Branch Johnson IA (319) 643-5888 timm@westbranchiowa.org 03/02/2016

Mark Mowrer Platinum Development Linn IA (319) 361-7189 mark@platinumserieshomes.com 05/06/2016

Mark Muffley HGM Associates Inc. Pottawattamie IA (712) 323-0530 mmuffley@hgmonline.com 12/14/2017

Brooke Muhlack Knife River Midwest Woodbury IA (712) 577-6757 brooke.muhlack@kniferiver.com 01/05/2016

Riley Mullins City of Coralville Johnson IA (319) 541-7047 mullinsr@uni.edu 06/29/2017

Avery Mumm City of Coralville Johnson IA (319) 248-1720 stormwater@coralville.org 10/13/2016

Brent Murphee Envirotraxx Polk IA (515) 369-4900 jjanssen@pro-commercial.com 04/15/2014

Jeffrey Murphy Jeffrey D. Murphy Black Hawk IA (319) 832-0543 jedemurf@gmail.com 05/19/2015

Scott Musgrove Ryan Companies Linn IA (319) 488-0852 scott.musgrove@ryancompanies.com 01/28/2014

Adam Myers Kiewit Building Group Douglas NE (402) 547-0312 adam.myers@kiewit.com 09/29/2017

Chad Myers Myers Tree Farm, Inc. Des Moines IA (319) 209-8733 myerstreefarm@gmail.com 02/23/2017

Charlie Myers City of Coralville Scott IA (319) 248-1720 cmyers@coralville.org 03/08/2016

Paige Naber Synergy Contracting, LLC Polk IA (515) 689-1615 paigenaber@synergycontracting.net 04/13/2017

Thad Nanfito Iowa DNR Cass IA (712) 243-1934 thad.nanfito@dnr.iowa.gov 12/14/2017

Nicholas Needham Needham Excavating Scott IA (563) 529-5840 nneedham@needhamex.com 11/13/2013

Ray Nees City of Eldridge Johnson IA (563) 285-4841 inspector@cityofeldridgeia.org 03/08/2016

Curt Neff Cedar Falls Utilities Black Hawk IA (319) 268-5337 curt.neff@cfunet.net 02/23/2017

Dan Nelson Terracon Polk IA (515) 822-9201 danelson@terracon.com 04/13/2017

Kyle Nelson McClure Engineering Co. Montgomery IA (712) 623-2579 knelson@mecresults.com 11/03/2017

Dave Nethers FOX Engineering Associates, Inc. Story IA (515) 233-0000 dhn@foxeng.com 04/13/2017

Nicholas Newbury Hubbell Realty Company Polk IA (515) 371-8648 nick.newbury@hubbellrealty.com 11/10/2016

Dave Neyens Hubbell Realty Polk IA (515) 918-1099 dave.neyens@hubbellrealty.com 06/29/2017

Charlie Nichols City of Coralville Johnson IA (319) 248-1720 brownfields@ci.coralville.ia.us 11/13/2013

Mike Nieman L & L Builders Woodbury IA (712) 255-0658 don.moritz@llbuilders.com 12/15/2016

Ann Nissen JEO Consulting Group, Inc. Douglas NE (515) 964-5310 anissen@jeo.com 12/14/2017

Grant Nixon City of Clive Polk IA (515) 223-6221 gnixon@cityofclive.com 04/13/2017

Dan Novelli Little Kading Constrtuction Co Polk IA (515) 371-8648 dan@kadingproperties.com 11/10/2016

Kohl Nylin QC Silt Fence Scott IA (563) 529-1610 tony@qcsiltfence.com 11/03/2017

Mathew Obiedzinski Integrity Homes Linn IA (319) 551-9802 integritycustomhomes@gmail.com 08/02/2016

Scott Obstarczyk Envirotraxx Polk IA (515) 369-4900 scotto@goterosion.com 11/13/2013

Scott Olesen City of Storm Lake Buena Vista IA (712) 732-8002 olesen@stormlake.org 05/29/2013

Phillip O'Loughlin Shoff Consulting Engineers Black Hawk IA (319) 266-0258 poloughlin@shoffengineering.com 03/10/2015

Scott Olson APEX Polk IA (515) 727-8025 SOlson@apexcos.com 06/29/2017

Tyler Olson Fehr Graham Deleware IA (563) 927-2060 tolson@fehr-graham.com 03/20/2017

Ed Olthoff Cedar Falls Utilities Black Hawk IA (319) 268-5309 eolthoff@cfunet.net 05/19/2015

Karen Oppelt City of Altoona Polk IA (515) 967-5136 koppelt@altoona-iowa.com 09/30/2014

Sajid Ordagic Rasmussen Group Polk IA (515) 371-8303 sordagic@rasmussengroup.com 02/26/2016

Mike Ossian Ossian, Inc. Scott IA (563) 324-3881 mossian@ossian.com 07/30/2015

Todd Osterhout City of Council Bluffs Pottawattamie IA (712) 328-4635 tosterhout@councilbluffs-ia.gov 12/14/2017

Evan Palsma L & L Builders Woodbury IA evan.palsma@llbuilders.com 01/05/2016

Rad Pandit Everest Homes LLC Scott IA (563) 676-0993 radpandit@gmail.com 11/03/2017

Michael Pardekooper Pleasant Hill Polk IA (515) 309-9457 mjp@pleasanthilliowa.org 07/30/2015

Bill Partridge Ryan Companies Linn IA (319) 329-6793 bill.partridge@ryancompanies.com 08/21/2014

Russ Paul City of Des Moines Polk IA (515) 323-8173 rdpaul@dmgov.org 07/23/2013

Meredith Pearl Sustainable Landscape Solutions Johnson IA (314) 691-3960 meredith.l.pearl@gmail.com 08/02/2016

Aivars Pelds A. Leo Pelds Engineering Company Polk IA (515) 265-8196 leo@pelds.com 12/19/2017

Zane Pennock City of Clinton Clinton IA (563) 244-3423 zanepennock@ci.clinton.ia.us 03/10/2015

Matt Peterson Eden Custom Homes LLC Polk IA (515) 208-2357 mdpeterson@aol.com 03/10/2015

Jackie Pezzetti Pezzetti Erosion Control Polk IA (515) 250-6788 jackie@jperosion.com 12/15/2016

Scott Pitzenberger Kirk Gross Company Black Hawk IA (319) 234-6641 scottpitzenberger@kirkgross.com 05/19/2015

Chris Poole City of Grimes Polk IA (515) 371-5184 cpoole@ci.grimes.ia.us 11/14/2014

Tim Porath City of Council Bluffs Pottawattamie IA (712) 328-4635 tporath@councilbluffs-ia.gov 12/14/2017

Bob Powers Iowa Mitigation Boone IA (515) 230-9338 bob@iowamitigation.com 05/18/2016

Dan Pritchard City of Des Moines Polk IA (515) 323-8163 dwpritchard@dmgov.org 05/18/2016

Carey Promes City of Carroll Carroll IA (712) 792-1000 cpromes@cityofcarroll.com 05/29/2013

Dana Rand L & L Builders Woodbury IA dana@llbuilderd.com 01/05/2016

Sean Ranney HGM Associates Inc. Pottawattamie IA (712) 323-0530 sranney@hgmonline.com 12/14/2017

Dick Ransom Hall & Hall Engineers Linn IA (319) 362-9548 dick@halleng.com 05/07/2015

Chris Rardin Polk County Public Works Polk IA (515) 286-2281 christopher.rardin@polkcountyiowa.gov 05/07/2015

Austin Rasch Rasch Construction Webster IA (515) 576-4175 peachumsrasch@hotmail.com 03/10/2015

Dalton Rasch Rasch Construction Webster IA (515) 576-4175 daltonrasch@gmail.com 03/10/2015

Terra Ray City of Cedar Falls Black Hawk IA (319) 268-5170 terra.ray@cedarfalls.com 03/20/2017

Matthew Recker City of Marion Linn IA (319) 743-6340 mrecker@cityofmarion.org 08/02/2016

Kyle Redmond (563) 320-3362 kredmond20@gmail.com 03/08/2016

Mike Reeve Abode Construction Linn IA (319) 329-3886 mreeve@abodeconstruction.com 03/08/2016

Eric Rehm City of Johnston Polk IA (515) 727-7779 erehm@cityofjohnston.com 06/29/2017

Cory Reierson Woodruff Companies Story IA (515) 450-0615 coryr@woodruffcompanies.com 09/29/2017

Eric Reifschneider Soil-Tek Polk IA (319) 389-0325 eric@soil-tek.com 03/20/2017

Brian Reineke HGM Associates Inc. Pottawattamie IA (712) 323-0530 breineke@hgmonline.com 12/14/2017

Jeff Reinholtz Woodruff Companies Calhoun IA (515) 302-1717 jeffreyr@woodruffcompanies.com 09/29/2017

Norm Reisetter Ryan Companies Linn IA (319) 360-9597 norm.reisetter@ryancompanies.com 05/19/2015

Patty Reisinger Flenker Land Architecture Consultants, LLC Buchanan IA (319) 350-4185 pattyp@netins.net 04/13/2017

Braxton Renders Mark Albenesius, Inc. Dakota NE ashley@markalbenesiusinc.com 01/10/2016

William Renders Mark Albenesius, Inc. Dakota NE (402) 494-2815 butch@markalbenesiusinc.com 01/10/2016

William Renders III Mark Albenesius, Inc. Dakota NE ashley@markalbenesiusinc.com 01/10/2016

James Reyes Bush Construction Scott IA (563) 344-3791 jreyes@bushconstruct.com 10/13/2016

Steven Riedesel Steve's Construction LLC Polk IA (515) 208-0156 riedesel33@gmail.com 06/29/2017

Todd Rizzio City of Marion Linn IA (319) 743-6340 t.rizzio@cityofmarion.org 08/02/2016

Laura Roberts HBK Engineering Johnson IA (319) 338-7557 lroberts@hbkengineering.com 05/29/2013

Chris Robinson City of Bettendorf Scott IA (563) 320-4936 crobinson@bettendorf.org 11/03/2017

Adan Rodriguez Envirotraxx Polk IA (515) 369-4900 jjanssen@pro-commercial.com 04/15/2014

Richie Rogers KS Energy Servives LLC Dubuque IA (563) 316-9353 richierogers1994@gmail.com 04/28/2017

Cody Rognes Rognes Corp Polk IA (515) 965-0030 crognes@qwestoffice.net 05/29/2013

Jared Rokke Foth IE Polk IA (515) 251-2525 jrokke@foth.com 01/28/2014

Allen Romans TK Concrete, Inc Marion IA (641) 204-1968 quentin@vermeergroup.com 12/19/2017

Karl Rosenberg Fritz Development L.L.C. Linn IA (319) 431-7557 fdllc@mchsi.com 08/02/2016

Kristine Rossmiller KBR Polk IA (515) 402-1663 kris.rossmiller@kbr.com 02/03/2015

Wade Royer Envirotraxx Polk IA (515) 369-4900 wroyer@envirotraxx.com 11/13/2013

Rachel Rozendaal City of Altoona Polk IA (515) 967-5137 rrozendaal@altoona-iowa.com 12/15/2016

Brian Rucker EOR Inc. Dakota MN (651) 890-9495 brucker@eorinc.com 09/29/2017

Aaron Rud Koch Fertilizer Ft Dodge LLC Webster IA (515) 543-4365 aaron.rud@kochind.com 05/19/2015

Mike Runge Benton's Sand & Gravel Black Hawk IA (319) 266-2621 mike.bentonsg@gmail.com 10/31/2015

Rosie Russell EOR Iowa Story IA (507) 272-7632 russros@bvu.edu 12/14/2017

Chris Rymars Bush Construction Dubuque IA (563) 449-2835 cj_rymars@bushconstruct.com 03/10/2015

Jordan Saddoris Hubbel Land Development Polk IA saddorisj1@central.edu 05/07/2015

Kirk Salnave TK Concrete, Inc. Marion IA (641) 204-1968 kirk@vermeergroup.com 12/19/2017

Steve Salyer City of Cedar Rapids Utilities Linn IA (319) 286-5286 s.salyer@cedar-rapids.org 05/19/2015

Michael Sampson Terracon Polk IA (515) 557-3846 michael.sampson@terracon.com 04/13/2017

Keith Sams Ryan Companies US Linn IA (319) 731-2800 keith.sams@ryancompanies.com 05/29/2013

Cruz Sanches Contracting Woodbury IA dsewalson1@yahoo.com 01/10/2016

Brian Sandberg Foth IE Polk IA (515) 254-1393 bsandberg@foth.com 01/28/2014

Steve Santomauro City of Raymond Black Hawk IA (319) 232-6153 cityofraymond@mchsi.com 03/20/2017

Maddi Sarcone Hazardous Materials Training, Inc. Polk IA (515) 210-1293 maddie@hazmaterialstraining.com 10/31/2015

Timothy Sarver Woodruff Companies Story IA (515) 232-4535 tims@woodruffcompanies.com 09/29/2017

James Savage Paper Street Co. Polk IA (515) 393-0311 huckaby@paperstreetconsultants.com 07/30/2015

Ben Schamp Steve Harris Construction Benton IA (402) 698-2154 bschamp@steve-harris-construction.com 01/10/2016

Jayden Scheckel MSA Professional Services Dubuque IA (563) 584-2892 jscheckel@msa-ps.com 03/20/2017

Deb Schiel-Larson Iowa DNR Polk IA (515) 725-8415 deb.schiel-larson@dnr.iowa.gov 02/23/2017

Chris Schinckel City of West Des Moines Polk IA (515) 222-3480 chris.schinckel@wdm.iowa.gov 03/10/2015

Eric Schmechel City of Asbury - Dubuque SWCD Dubuque IA (920) 327-0908 schmechel@yousq.net 08/02/2016

Dan Schneider City of Marion Linn IA (319) 743-6340 dschneider@cityofmarion.org 08/02/2016

Sean Schrader Alfred Benesch Douglas NE (402) 333-5792 sschrader@benesch.com 12/14/2017

Mike Schrage Kirk Cross Co Black Hawk IA (319) 234-6641 mikeschrage@kirkgross.com 05/29/2013

Travis Schrage Cedar Falls Utilities Black Hawk IA (319) 268-5336 travis.schrage@cfunet.net 11/13/2013

Michael Schuckert Iowa City, City of Johnson IA (319) 356-5140 michael-schuckert@iowa-city.org 12/20/2015

Richard Schulte Evergreen Homes of Iowa Polk IA (515) 669-0241 rich@evergreenhomesofiowa.com 02/23/2017

Zacharay Schulz JEO Consulting Group Douglas NE (402) 392-9926 zschulz@jeo.com 09/30/2014

Phil Schuppert City of Waterloo Black Hawk IA (319) 493-1551 phillip.schuppert@waterloo-ia.org 07/23/2013

Amy Scott Polk IA kayascott47@yahoo.com 05/29/2013

Steve Scott SCOTT SURVEY INC Linn IA (319) 540-5263 email@scottsurvey.com 12/10/2014

Todd Scott MSA Professional Services Polk IA (515) 964-1920 tscott@msa-ps.com 11/13/2013

Kevin Seevers Pottawattamie IA kseevers42@gmail.com 07/23/2013

Adam Seidl KS Energy Servives LLC Dubuque IA (563) 258-9220 aseidl@ksenergyservices.com 04/28/2017

Scott Seligman Bush Construction Scott IA (563) 344-3791 sa_seligman@bushconstruct.com 05/29/2013

Mike Serrano City of Bettendorf Scott IA (563) 528-5076 mserrano@bettendorf.org 11/03/2017

Don Sewalson Contracting Woodbury IA (712) 253-1490 dsewalson1@yahoo.com 01/10/2016

Kelly Sewell City of Coralville Johnson IA (563) 590-2165 kelly.sewell12@gmail.com 05/26/2016

Angelique Shawda Stantec Polk IA (515) 333-9517 angel.shawda@stantec.com 06/29/2017

Matthew Sheeder APEX Polk IA (515) 727-8025 msheeder@apexcos.com 06/29/2017

Scott Shepherd Ames Story IA (319) 533-4517 sshephard@city.ames.ia.us 11/10/2016

Eric Shepley HBK Engineering Linn IA (319) 377-1629 eshepley@hbkengineering.com 09/29/2017

Ryan Sherzan Des Moines Polk IA (515) 323-8165 tmgrove@dmgov.org 07/30/2015

Matt Shock STS Civil Linn IA (319) 350-8120 mshock@stscivil.com 12/10/2014

Tony Showers QC Silt Fence Scott IA (563) 529-1610 tony@qcsiltfence.com 11/3/2017

Carolyn Siebrecht Linn Co. Planning & Zoning Linn IA (319) 892-5130 carolyn.siebrecht@linncounty.org 10/08/2015

Maria Sieck Pottawattamie County Planning Pottawattamie IA (402) 690-5624 maria.sieck@pottcounty-ia.gov 12/15/2016

Troy Siefert IDOT Story IA (515) 239-1768 troy.siefert@dot.iowa.gov 05/29/2013

Ryan Silvers T K Concrete Marion IA (641) 416-0102 ryan@vermeergroup.com 05/18/2016

Greg Sinning Gibraltar Construction Douglas NE (402) 201-8651 gsinning@gibraltarconst.com 02/26/2016

Drew Skogman City of Coralville Johnson IA (319) 363-8285 dskogman@skogman.com 03/08/2016

Dennis Skou Tidy Site Services Polk IA (515) 289-6081 dskou55@gmail.com 10/13/2016

Matthew Smith Olsson Associates Dakota NE (402) 494-3059 mmsmith@olssonassociates.com 01/10/2016

Monica Smith Robinson Engineering Buchanan IA (563) 920-5382 monica.smith@robinsoneng-ia.com 08/21/2014

Jim Snodgrass Benton Sand & Gravel Inc Black Hawk IA (319) 266-2621 j.snodgrass@bentonsandandgravel.com 05/19/2015

Adam Snooze Lissard Woodbury IA (712) 205-0120 adam@lessardcon.com 01/10/2016

Luke Snyder L & L Builders Woodbury IA luke@llbuilders.com 01/10/2016

Seth Somerville City of Coralville - Stormwater Johnson IA (319) 400-5511 sethsomerville@icloud.com 08/21/2014

Brett Southwick City of Marion Linn IA (319) 743-4736 bsouthwick@cityofmarion.org 12/20/2015

Benjamin Spalding Woodruff Companies Story IA (515) 708-3111 benjamins@woodruffcompanies.com 09/29/2017

Taylor Speckman Saunders NE (402) 480-5001 taylorspeckman@gmail.com 10/31/2015

Barbara Speed Benton's Sand & Gravel, Inc. Black Hawk IA (319) 266-2621 bspeed.bsg@gmail.com 03/20/2017

Josh Spencer Superior Contractors Polk IA (515) 202-9190 coachspencer01@yahoo.com 05/18/2016

Michael Sporleder City of Pleasant Hill Polk IA (515) 309-9461 msporleder@pleasanthilliowa.org 07/30/2015

Paul Stagg City of West Branch Johnson IA (319) 643-5888 shanelle@westbranchiowa.org 11/13/2013

Regis Stallman DuPont Linn IA regis.stallman@dupont.com 11/10/2016

Kristen Stauffer Energy Environmental Group Story IA (570) 690-9055 kstauffer@energyenvirogroup.com 09/30/2014

Brian Steenblock City of Coralville Johnson IA (319) 248-1720 bsteenblock@coralville.org 03/08/2016

Cody Steffes Wanzek Construction Audubon IA (712) 210-6061 codysteffe@hotmail.com 04/15/2014

Cole Steffes Wanzek Construction Carroll IA (712) 210-4889 cmsteffesusmc@gmail.com 04/15/2014

Mitchel Steffes Wanzek Construction Cass ND (712) 210-5998 mwsteffes@gmail.com 12/19/2017

Sandra Steil Shive-Hattery Johnson IA (319) 631-1890 steilmms@gmail.com 12/10/2014

Mitch Steimel Terracon Consultants, Inc. Polk IA mitch.steimel@terracon.com 04/13/2017

David Stender Foth Companies Linn IA (319) 365-9565 david.stender@foth.com 05/29/2013

Ryan Steven Vander Pol Excavating Sioux IA (712) 737-4050 ryan@vpexc.com 05/18/2016

Brian Stevens Stevens Erosion Control Washington IA (319) 631-0160 bstevens2009@hotmail.com 02/06/2014

Nate Stevenson MSA Professional Services Dubuque IA (563) 584-2890 nstevenson@msa-ps.com 12/20/2015

Jacob Stewart Shine Brothers Clay IA (712) 240-3741 jacob@shinebros.com 04/13/2017

Brian Stineman City of Davenport Scott IA (563) 888-2173 bstineman@ci.davenport.ia.us 07/23/2013

Michelle Stolinski JEO Consulting Group, Inc. Douglas NE (402) 443-4661 mstolinski@jeo.com 12/19/2017

Douglas Stone City of Windsor Heights Polk IA (515) 645-6825 dstone@windsorheights.org 02/23/2017

Tom Stopoulos Applestone Homes Scott IA (563) 210-5543 office@applestonehomes.com 11/03/2017

Bob Storby Larson Contracting Winnebago IA (641) 592-5800 ext 223 bob@larsoncontracting.com 05/26/2016

Blaine Stout T K Concrete Marion IA (641) 629-0986 billie@vermeergroup.com 05/18/2016

Nic Stratton City of Muscatine Muscatine IA (563) 236-2752 nstatton@muscatineiowa.gov 03/20/2017

Sid Strauss Energy Environmental Group Maricopa AZ (480) 218-9711 sstrauss@energyenvirogroup.com 11/13/2013

Tony Stravers City of Norwalk Polk IA (515) 208-2733 tonys@norwalk.iowa.gov 01/28/2014

Nicholas Streng City of Hiawatha Linn IA (319) 393-1515 constructobserv@hiawatha-iowa.com 12/10/2014

Nathan Struve American Contractors Dallas IA (515) 202-5264 natestruve@gmail.com 05/18/2016

Tim Stull City of Solon Johnson IA (319) 624-3755 scott.kleppe@solon-iowa.com 11/14/2014

Levi Suhr VJ Engineering Black Hawk IA (641) 229-5943 lsuhr@vjengineering.com 09/29/2017

Daniel Sullivan Koch Industries Webster IA (515) 543-4365 daniel.sullivan@kochind.com 05/07/2015

Bob Swanson City of Storm Lake Buena Vista IA (712) 732-8002 swanson@stormlake.org 05/29/2013

Joe Swatek KS Energy Servives LLC Dubuque IA (262) 424-6847 jsvatek@ksenergyservices.com 04/28/2017

Carol Sweeting City of Iowa City Johnson IA (319) 541-2385 carol-sweeting@iowa-city.org 03/08/2016

Gary Swift Bush Construction Dubuque IA (563) 449-2309 gl_swift@bushconstruct.com 03/10/2015

Scott Swift City of Muscatine Muscatine IA (563) 236-2752 sswift@muscatineiowa.gov 03/20/2017

Shawn Swygman Elder Corporation Polk IA (515) 979-9494 shawn.swygman@eldercorp.com 12/15/2016

Rich Sybert APEX Polk IA (515) 727-8025 RSybert@apexcos.com 06/29/2017

Julie Tallman City of Iowa City Johnson IA (319) 356-5132 julie-tallman@iowa-city.org 03/20/2017

Reid Tamisiea Tidy Site Services, LLC Polk IA (515) 480-1818 reidtamisiea@yahoo.com 12/15/2016

Patrick Teff Energy Environmental Group Polk IA (515) 782-0190 pteff@energyenvirogroup.com 11/13/2013

Scott Temple Vista Real Estate Polk IA (515) 202-3173 scott@vistarei.com 10/13/2016

Marcus Thie Soil-tek Polk IA (515) 208-0162 m.thie@soil-tek.com 02/26/2016

Jim Thiess KCN Clay IA (712) 262-3468 KCNthiesse@smunet.net 01/10/2016

Cory Thilges City of Des Moines Polk IA (515) 283-4177 cjthilges@dmgov.org 02/03/2015

Adam Thompson City of Muscatine Muscatine IA (563) 263-2752 athompson@muscatineiowa.gov 08/21/2014

Scott Thompson Country Landscapes Johnson IA (319) 269-0076 sthompson@countrylandscapes.com 02/26/2016

Steve Tibbles City of Perry Dallas IA (515) 465-4100 steve.tibbles@perryia.org 05/18/2016

Scott Tiedt Tiedt Nursery, LTD Bremer IA (319) 352-0418 scott.tiedt@gmail.com 03/20/2017

Eric Tjelmeland City of Iowa City Johnson IA (319) 404-5656 eric-tjelmeland@iowa-city.org 08/21/2014

Carrington Tolzin Iowa DNR Cass IA (712) 249-2323 carrington.tolzin@dnr.iowa.gov 09/29/2017

Tom Travis Bush Construction Scott IA (563) 260-1615 tmtravis963@gmail.com 11/03/2017

Sean Troncao Stormwater And Management Services Scott IA (563) 579-2121 kcfentres@gmail.com 08/02/2016

Tony Trotter City of Ft Dodge Webster IA (515) 576-3601 ttrotter@fortdodgeiowa.org 05/29/2013

Sushil Tuladhar City of Cedar Falls Black Hawk IA (319) 268-5511 sushil.tuladhar@cedarfalls.com 09/29/2017

Creston Turnbull City of Coralville Johnson IA (319) 248-1720 cturnbull@coralville.org 03/08/2016

Coby Turner GeoStat Polk IA (515) 494-4197 cturner@geostatenvironmental.com 11/14/2014

Nick Turner Emmons & Olivier Resources Washington MN (712) 899-8069 nturner@eorinc.com 01/10/2016

Ryan Utter City of Des Moines Polk IA (515) 283-4177 rgutter@dmgov.org 02/03/2015

Matt Van Schouwen City of Sioux Center Sioux IA (712) 722-0761 matthewvs@siouxcenter.org 12/14/2017

Kendra Vance Pezzetti Erosion Control Polk IA (515) 967-0639 kendra@jperosion.com 06/29/2017

Rachel Vanderwerff EarthView Environmental, Inc. Johnson IA (319) 358-2542 rachel@eveinc.consulting 10/13/2016

Alex Vizcarra Des Moines Water Works Polk IA (515) 208-1977 avizcarra@dmww.com 01/28/2014

Michael Wahlert Environmental Consultants Polk IA (515) 276-0467 mwahlert@bishopengr.com 07/30/2015

Zachary Wallin Short Elliot Hendrickson Cerro Gordo IA (224) 406-4025 zwallin@sehinc.com 12/19/2017

Bryon Wambold Soil-tek Polk IA (515) 229-4088 b.wambold@soil-tek.com 02/26/2016

Andrew Watkins City of Clive Polk IA (515) 223-6231 awatkins@cityofclive.com 02/23/2017

Tom Watson Watson Service Linn IA (319) 360-1817 watsonservice@yahoo.com 12/10/2014

Frank Watters Ryan Companies US, Inc. Linn IA (319) 533-8797 frank.watters@ryancompanies.com 08/02/2016

Alan Waugh City of Norwalk Polk IA (515) 981-0228 alanw@norwalk.iowa.gov 02/23/2017

Larry Wauhob Boone Community Schools Boone IA (515) 433-0890 lwauhob@boone.k12.ia.us 02/03/2015

Mark Webb Snyder & Assoc Polk IA (515) 669-2683 mlwebb@snyder-associates.com 04/13/2017

Steven Wee Boone Community Schools Boone IA (515) 491-7228 swee@boone.k12.ia.us 05/29/2013

Sam Weighner Envirotraxx Polk IA (515) 369-4900 weighnersj1@gmail.com 09/30/2014

Becky Werhman-Anderson Hazardous Materials Training, Inc. Polk IA (515) 210-1293 becky@hazmaterialstraining.com 10/31/2015

Brian Wessel City of Eldridge Scott IA (563) 210-5230 bwessel@cityofeldridgeia.org 03/08/2016

Sean Whalen ISU Enviro Health & Safety Story IA (515) 294-5359 sbwhale@iastate.edu 04/15/2014

Curt Whittington City of Council Bluffs Pottawattamie IA (712) 328-4635 cwhittington@councilbluffs-ia.gov 12/14/2017

Chris Widmer City of Pleasant Hill Polk IA (515) 309-9463 cwidmer@pleasanthilliowa.org 09/29/2017

Josh Wiederholt Edge Commercial Polk IA (515) 210-2847 jwiederholt@edgeco-usa.com 04/13/2017

David Wiggins GBA Douglas NE (402) 217-3451 dwiggins@gbateam.com 12/14/2017

Charles Wilkinson MPS Engineers Polk IA (515) 681-7231 charliew.mps@gmail.com 06/17/2014

Charlie Wilkinson MPS Engineers PC Polk IA (515) 681-7675 jody.rouse@mpsengineers.com 12/15/2016

Andrew Williamson City of Des Moines Polk IA (515) 208-4179 ajwilliamson@dmgov.org 02/03/2015

Brandt Williamson Fox Engineering Story IA (515) 233-0000 sbw@foxeng.com 05/26/2016

Dave Williamson Polk County Public Works Polk IA (515) 286-3303 dave.williamson@polkcountyiowa.gov 11/14/2014

Joseph Willms Vista Real Estate and Investments Polk IA (515) 249-0511 joe@vistarei.com 10/13/2016

Dan Wilson MRB Fuels Polk IA (515) 669-8580 dwilson@mrbfuels.com 02/26/2016

Reed Windmiller Windmiller Development Scott IA (563) 271-8808 windmillerdevelopment@gmail.com 11/03/2017

Brian Wingert Panther Farms Black Hawk IA (319) 404-4884 bj.wingert@yahoo.com 11/13/2013

Brian Wirtz City of Evansdale Polk IA (319) 493-0641 evansdaleinspector@mediacombb.net 12/20/2015

Trevor Wolf Wayne County Wayne IA (641) 872-2025 wyncoe@grm.net 11/13/2013

Mike Wolfe City of Cedar Rapids Linn IA (319) 286-5441 m.wolfe@cedar-rapids.org 05/18/2016

Trent Wolken Polk County Public Works Polk IA (515) 286-3705 trent.wolken@polkcountyiowa.gov 11/14/2014

Jeff Wren Jeff Wren Warren IA (515) 664-0935 jeffwren@dwx.com 12/19/2017

Stephanie Wright City of St Joseph Water Protection Buchanan MO (816) 271-5319 swright@ci.st-joseph.mo.us 05/07/2015

Matt Wuebker Elder Corporation Polk IA (515) 979-9495 matt.wuebker@eldercorp.com 12/15/2016

Chris Wulf Orton Homes Polk IA (515) 528-8123 chris@ortonhomes.com 02/03/2015

Donald Wych West Des Moines Water Works Polk IA (515) 222-3465 don.wych@wdm.iowa.gov 09/30/2014

Samantha Young RP Constructors, LLC Union SD (866) 990-2242 sheriy@rpconstructors.com 01/05/2016

Tish Young City of Cedar Rapids Utilities Dept Linn IA (319) 286-5946 t.young@cedar-rapids.org 11/13/2013

Jerry Youtsey Hiawatha Linn IA (319) 393-1515 jyoutsey@hiawatha-iowa.com 05/06/2016

Todd Zeka Pezzetti Erosion Control Polk IA (515) 321-9892 todd.zeka13@gmail.com 05/18/2016

Bill Zimmerman Southgate Companies Johnson IA (319) 499-8837 bzimmerman@southgateco.com 12/20/2015

Breanna Zimmerman Johnson SWCD Johnson IA (319) 337-2322 breanna.zimmerman@ia.nacdnet.net 03/10/2015

Patrick Zimmerman Z&Z Development Johnson IA (319) 325-7017 pzandpz@gmail.com 12/20/2015

Jeremy Zinn Clarity Construction Polk IA (515) 867-8288 jeremy@clarityconstruction.com 05/07/2015