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2-6-06 TPWA Short Course Presentation

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Implementing an Integrated Implementing an Integrated Storm Water Management Storm Water Management Program Program John P. Nett, P.E., CFM John P. Nett, P.E., CFM Acting City Engineer Acting City Engineer Public Works Department Public Works Department City of Killeen City of Killeen Steve Veal, P.E. Steve Veal, P.E. Principal/Vice-President Principal/Vice-President Fort Worth Public Works and Environmental Services Unit Fort Worth Public Works and Environmental Services Unit Carter and Burgess, Inc. Carter and Burgess, Inc. Presented at the 2006 Annual Public Works Presented at the 2006 Annual Public Works Short Course Short Course February 6, 2006 February 6, 2006
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Page 1: 2-6-06 TPWA Short Course Presentation

Implementing an Integrated Storm Implementing an Integrated Storm Water Management ProgramWater Management Program

John P. Nett, P.E., CFMJohn P. Nett, P.E., CFMActing City EngineerActing City Engineer

Public Works DepartmentPublic Works DepartmentCity of KilleenCity of Killeen

Steve Veal, P.E.Steve Veal, P.E.Principal/Vice-PresidentPrincipal/Vice-President

Fort Worth Public Works and Environmental Services UnitFort Worth Public Works and Environmental Services UnitCarter and Burgess, Inc.Carter and Burgess, Inc.

Presented at the 2006 Annual Public Works Short CoursePresented at the 2006 Annual Public Works Short CourseFebruary 6, 2006February 6, 2006

Page 2: 2-6-06 TPWA Short Course Presentation

Integrated Storm Water ManagementIntegrated Storm Water Management

Elements of an Integrated Storm Water Elements of an Integrated Storm Water Management Program for City of KilleenManagement Program for City of Killeen

• Drainage Maintenance Program (Drainage Drainage Maintenance Program (Drainage Maintenance Plan)Maintenance Plan)

• Capital Improvements Program (Drainage Capital Improvements Program (Drainage Master Plan)Master Plan)

• Storm Water Management Program (Storm Storm Water Management Program (Storm Water Management Plan)Water Management Plan)

• Non-Point Source Pollution Assessment Non-Point Source Pollution Assessment ProgramProgram

• Administrative SolutionsAdministrative Solutions

Page 3: 2-6-06 TPWA Short Course Presentation

What’s driving the need for improved What’s driving the need for improved maintenance of drainage infrastructure?maintenance of drainage infrastructure?

Numerous citizen concerns that include: Numerous citizen concerns that include: • High weeds and grassHigh weeds and grass• Trash and debrisTrash and debris• Vermin (rodents)/vectors (mosquitoes)Vermin (rodents)/vectors (mosquitoes)

Integrated Storm Water ManagementIntegrated Storm Water Management

Page 4: 2-6-06 TPWA Short Course Presentation

What’s driving the need for improved What’s driving the need for improved maintenance of drainage infrastructure?maintenance of drainage infrastructure?

Water quality control issues that include:Water quality control issues that include:• Residential activitiesResidential activities• Commercial/business activitiesCommercial/business activities• Construction activitiesConstruction activities• Failing septic tanks & SSOsFailing septic tanks & SSOs

Integrated Storm Water ManagementIntegrated Storm Water Management

Page 5: 2-6-06 TPWA Short Course Presentation

What’s driving the need for improved What’s driving the need for improved maintenance of drainage infrastructure?maintenance of drainage infrastructure?

Water quantity control issues that include:Water quantity control issues that include:• Increased volumes and velocitiesIncreased volumes and velocities• Backwater flows and floodingBackwater flows and flooding

Integrated Storm Water ManagementIntegrated Storm Water Management

Page 6: 2-6-06 TPWA Short Course Presentation

Impact of Urbanization On Run-off QuantityImpact of Urbanization On Run-off Quantity

Integrated Storm Water ManagementIntegrated Storm Water Management

Page 7: 2-6-06 TPWA Short Course Presentation

Downstream Impacts of Increased DischargesDownstream Impacts of Increased Discharges

Integrated Storm Water ManagementIntegrated Storm Water Management

Page 8: 2-6-06 TPWA Short Course Presentation

What types of drainage infrastructure are What types of drainage infrastructure are need of maintenance?need of maintenance?

Utility EasementsUtility Easements• Many UEs also function as DEsMany UEs also function as DEs

Rights of wayRights of way• AlleysAlleys• Bar ditchesBar ditches

Drainage EasementsDrainage Easements• Concrete featuresConcrete features• Earthen featuresEarthen features

Integrated Storm Water ManagementIntegrated Storm Water Management

Page 9: 2-6-06 TPWA Short Course Presentation

What are the industry standards for What are the industry standards for drainage infrastructure maintenance?drainage infrastructure maintenance?

A multidiscipline approach is required to solve A multidiscipline approach is required to solve drainage problemsdrainage problems

• Engineers, landscapers, geologists,Engineers, landscapers, geologists, botanists, stream scientistsbotanists, stream scientists

There are long-term benefits from stable There are long-term benefits from stable (sustainable) earthen channels and streams(sustainable) earthen channels and streams

• Decreased costs, maintenance, and floodingDecreased costs, maintenance, and flooding• Increased water quality, aesthetics and valueIncreased water quality, aesthetics and value

Integrated Storm Water ManagementIntegrated Storm Water Management

Page 10: 2-6-06 TPWA Short Course Presentation

Potential Maintenance SolutionsPotential Maintenance Solutions

• Code RevisionsCode Revisions

• Public EducationPublic Education

• Trash/Debris RemovalTrash/Debris Removal

• Inspection and AbatementInspection and Abatement

• Design, Construction and Maintenance Design, Construction and Maintenance StandardsStandards

Integrated Storm Water ManagementIntegrated Storm Water Management

Page 11: 2-6-06 TPWA Short Course Presentation

Code RevisionsCode Revisions

• Variable height vegetation that corresponds Variable height vegetation that corresponds with stream classificationwith stream classification

• DE widths that correlate with channel flow and DE widths that correlate with channel flow and velocityvelocity

• Plan of action for drainage infrastructure that is Plan of action for drainage infrastructure that is not in a DE or an undersized DEnot in a DE or an undersized DE

Integrated Storm Water ManagementIntegrated Storm Water Management

Page 12: 2-6-06 TPWA Short Course Presentation

Streambank Vegetation ZonesStreambank Vegetation Zones

Integrated Storm Water ManagementIntegrated Storm Water Management

Page 13: 2-6-06 TPWA Short Course Presentation

Public EducationPublic Education

• Circulate media that outline program goals to Circulate media that outline program goals to create ownership and “buy in”create ownership and “buy in”

• Develop materials for both public and internal useDevelop materials for both public and internal use

Integrated Storm Water ManagementIntegrated Storm Water Management

Page 14: 2-6-06 TPWA Short Course Presentation

Trash/Debris RemovalTrash/Debris Removal

• Dedicate a crew to continuously patrol high-Dedicate a crew to continuously patrol high-visibility drainage infrastructurevisibility drainage infrastructure

• Establish incentives/disincentives to litteringEstablish incentives/disincentives to littering

• Promote an ‘Adopt a Creek’ programPromote an ‘Adopt a Creek’ program

Integrated Storm Water ManagementIntegrated Storm Water Management

Page 15: 2-6-06 TPWA Short Course Presentation

Inspection and AbatementInspection and Abatement

• Integrate a licensed herbicide applicator to Integrate a licensed herbicide applicator to programprogram

• Inspect drainage infrastructure and continually Inspect drainage infrastructure and continually document debris, failures, etc.document debris, failures, etc.

• Perform minor repairs (patching; grouting; Perform minor repairs (patching; grouting; steelwork; priming/painting)steelwork; priming/painting)

Integrated Storm Water ManagementIntegrated Storm Water Management

Page 16: 2-6-06 TPWA Short Course Presentation

Areas of Inspection & RepairAreas of Inspection & Repair

Integrated Storm Water ManagementIntegrated Storm Water Management

Page 17: 2-6-06 TPWA Short Course Presentation

Design, Construction, and Maintenance Design, Construction, and Maintenance StandardsStandards

• Dedicate a crew tasked with channel/stream re-Dedicate a crew tasked with channel/stream re-construction & maintenance; vegetation & re-construction & maintenance; vegetation & re-vegetation; and mowing & trimmingvegetation; and mowing & trimming

• Perform heavy brush clearing, channel shaping, Perform heavy brush clearing, channel shaping, tilling & seeding; mowing; trimming, and a variety of tilling & seeding; mowing; trimming, and a variety of hand activities hand activities

• Establish 5-year prioritized program for Establish 5-year prioritized program for establishing a maintenance baseline within the city’s establishing a maintenance baseline within the city’s major tributariesmajor tributaries

Integrated Storm Water ManagementIntegrated Storm Water Management

Page 18: 2-6-06 TPWA Short Course Presentation

Construction & MaintenanceConstruction & Maintenance

Integrated Storm Water ManagementIntegrated Storm Water Management

Page 19: 2-6-06 TPWA Short Course Presentation

Channel Re-VegetationChannel Re-Vegetation

Integrated Storm Water ManagementIntegrated Storm Water Management

Page 20: 2-6-06 TPWA Short Course Presentation

Integrated Storm Water ManagementIntegrated Storm Water Management

Example of Integrated Storm Water DesignExample of Integrated Storm Water Design

Page 21: 2-6-06 TPWA Short Course Presentation

Example of Integrated Storm Water DesignExample of Integrated Storm Water Design

Integrated Storm Water ManagementIntegrated Storm Water Management

Page 22: 2-6-06 TPWA Short Course Presentation

Integrated Storm Water ManagementIntegrated Storm Water Management

Capital Improvements ProgramCapital Improvements Program

The City’s CIP was developed as a part of the The City’s CIP was developed as a part of the 2005 Drainage Master Plan, which2005 Drainage Master Plan, which

• Summarizes Existing ProblemsSummarizes Existing Problems

• Provides a Process for CIP Selection and Provides a Process for CIP Selection and DevelopmentDevelopment

• Describes Influences that Affect System Describes Influences that Affect System Operation and Maintenance and the Cost of Operation and Maintenance and the Cost of ImplementationImplementation

Page 23: 2-6-06 TPWA Short Course Presentation

The Drainage Master Plan ReportThe Drainage Master Plan Report

• Identifies and Prioritizes Potential CIP Identifies and Prioritizes Potential CIP ProjectsProjects

• Outlines $8.0 Million Major CIP Bond PackageOutlines $8.0 Million Major CIP Bond Package

• Defines Drainage Utility Rate Structure Defines Drainage Utility Rate Structure Revisions To Fund CIP, Drainage Maintenance, Revisions To Fund CIP, Drainage Maintenance, and Phase II Programsand Phase II Programs

Integrated Storm Water ManagementIntegrated Storm Water Management

Capital Improvements ProgramCapital Improvements Program

Page 24: 2-6-06 TPWA Short Course Presentation

Integrated Storm Water ManagementIntegrated Storm Water Management

Capital Improvements ProgramCapital Improvements Program

Page 25: 2-6-06 TPWA Short Course Presentation

Integrated Storm Water ManagementIntegrated Storm Water Management

Capital Improvements ProgramCapital Improvements Program

Page 26: 2-6-06 TPWA Short Course Presentation

Integrated Storm Water ManagementIntegrated Storm Water Management

TPDES Phase II ProgramTPDES Phase II Program

• Water Quality Related Plan Developed in Water Quality Related Plan Developed in Response to TCEQ TPDES Municipal Separate Response to TCEQ TPDES Municipal Separate Storm Sewer System (MS4) Permit RequirementsStorm Sewer System (MS4) Permit Requirements

• Revised Draft Permit Issued August 16, 2005Revised Draft Permit Issued August 16, 2005

• Permit Expected to Be Finalized ? ? ? ?Permit Expected to Be Finalized ? ? ? ?

Page 27: 2-6-06 TPWA Short Course Presentation

Integrated Storm Water ManagementIntegrated Storm Water Management

What has Killeen done regarding Phase II?What has Killeen done regarding Phase II?

• Completed (…and Ready to Implement) a Storm Completed (…and Ready to Implement) a Storm Water Management Plan (SWMP)Water Management Plan (SWMP)

• Managing City-Owned Industrial and Managing City-Owned Industrial and Construction Activities under required PermitsConstruction Activities under required Permits

• Evaluating Other Provisions that may arise as a Evaluating Other Provisions that may arise as a result of Nolan Creek water quality studiesresult of Nolan Creek water quality studies

Page 28: 2-6-06 TPWA Short Course Presentation

Killeen Urbanized AreaKilleen Urbanized Area

Integrated Storm Water ManagementIntegrated Storm Water Management

• Copperas CoveCopperas Cove• Fort HoodFort Hood• Harker HeightsHarker Heights• KilleenKilleen• NolanvilleNolanville• Bell CountyBell County• Coryell CountyCoryell County

Page 29: 2-6-06 TPWA Short Course Presentation

Integrated Storm Water ManagementIntegrated Storm Water Management

Required SWMP BMPs:Required SWMP BMPs:

- Maintain MS4 Infrastructure Map with Major Outfalls - Maintain MS4 Infrastructure Map with Major Outfalls

- Identify and Eliminate Illicit Connections and Discharges- Identify and Eliminate Illicit Connections and Discharges

- Develop Storm Water Control Ordinances- Develop Storm Water Control Ordinances

Page 30: 2-6-06 TPWA Short Course Presentation

Integrated Storm Water ManagementIntegrated Storm Water Management

Required SWMP BMPs:Required SWMP BMPs:- Revise Policies and Procedures to Reduce Contaminant- Revise Policies and Procedures to Reduce Contaminant

Contact with Storm Water Runoff Contact with Storm Water Runoff

- Revise Chemical Storage, Disposal and Handling- Revise Chemical Storage, Disposal and Handling Procedures to Minimize Spill RiskProcedures to Minimize Spill Risk

- Retrofit Selected Existing Facilities- Retrofit Selected Existing Facilities

Page 31: 2-6-06 TPWA Short Course Presentation

Integrated Storm Water ManagementIntegrated Storm Water Management

Selected Killeen-Specific SWMP BMPs:Selected Killeen-Specific SWMP BMPs:

- Program to Eliminate Failing/Failed Septic Systems - Program to Eliminate Failing/Failed Septic Systems

- Household Hazardous Waste Collection Events - Household Hazardous Waste Collection Events

- Brochures on Water Quality Control Issues- Brochures on Water Quality Control Issues

- Stream Monitoring- Stream Monitoring

Page 32: 2-6-06 TPWA Short Course Presentation

Integrated Storm Water ManagementIntegrated Storm Water Management

FY 2004-2005 and FY 2005-2006 Non-Point Source FY 2004-2005 and FY 2005-2006 Non-Point Source Pollution Program Grant ActivitiesPollution Program Grant Activities

• Monitoring of 14 Sites In South Nolan Creek and Monitoring of 14 Sites In South Nolan Creek and Lampasas River WatershedsLampasas River Watersheds

• Assessment Focus on Bacteria and NutrientsAssessment Focus on Bacteria and Nutrients

• Will Allow Killeen to Characterize Contribution Will Allow Killeen to Characterize Contribution to Water Quality Impairment Before Total to Water Quality Impairment Before Total Maximum Daily Load EstablishmentMaximum Daily Load Establishment

Page 33: 2-6-06 TPWA Short Course Presentation

Integrated Storm Water ManagementIntegrated Storm Water Management

Administrative SolutionsAdministrative Solutions

• Drainage Design Criteria RevisionsDrainage Design Criteria Revisions

• Multi-Criteria Detention PolicyMulti-Criteria Detention Policy

• Regional ParticipationRegional Participation

• Updated FIS DataUpdated FIS Data

Page 34: 2-6-06 TPWA Short Course Presentation

Why incorporate multi-criteria detention Why incorporate multi-criteria detention and/or additional channel storage capacity?and/or additional channel storage capacity?

• Provide overbank flood protection storage Provide overbank flood protection storage (typical control; 25-Year, 24-Hour Storm Event)(typical control; 25-Year, 24-Hour Storm Event)

• Introduce valley storage (to alleviate Introduce valley storage (to alleviate downstream flooding)downstream flooding)

• Provide stream channel protection (extended Provide stream channel protection (extended detention for the 1-Year, 24-Hour Storm Event)detention for the 1-Year, 24-Hour Storm Event)

• Ensure extreme flood event protection (100-Ensure extreme flood event protection (100-Year Storm Event)Year Storm Event)

Integrated Storm Water ManagementIntegrated Storm Water Management

Page 35: 2-6-06 TPWA Short Course Presentation

Integrated Storm Water ManagementIntegrated Storm Water Management

Updated FIS DataUpdated FIS Data

• Bell County DFIRM Currently in ProcessBell County DFIRM Currently in Process

• Supporting Study Updated 2002 FEMA Flood Supporting Study Updated 2002 FEMA Flood Insurance Re-Study for Recent Development and Insurance Re-Study for Recent Development and Ultimate Development – Ultimate Development Ultimate Development – Ultimate Development Will Cause Significant Increases In Peak Will Cause Significant Increases In Peak Discharges and Flooding ElevationsDischarges and Flooding Elevations

Page 36: 2-6-06 TPWA Short Course Presentation

Integrated Storm Water ManagementIntegrated Storm Water Management


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