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UNITED STATES ENVIRONMENTAL PROTECTION AGENCY •EGION VI! 726 MINNESOTA AVENUE KANSAS $ITY. KANSAS 66101 A cp o ft 1995 MEMORANDUM SUBJECT: Recommendation for Approval )fthe Five-Yeai Review for Operable Unit 3 Alternate Water Supply, Chett)l:ee Counts Superfund Sue. Cherokee Countv. Kansas FROM: David Drake. Remedial Project Manager 1AKS Remedial Unit | THRU: Steve Kovak. Chief 1AKS Remedial Unit IO: Michael Sanderson, Director Supertund Division Five-Y< ar I have completed the statutory Water Supply System, of the Galena SubsitC, Kansas has reviewed and provided input/cono irrence Revieu foi Operable Unit "01. the Alternate HlCTokee Countv Supertund Site The State of on this evaluation The attached Five-Year Review indlK BSthe details of mv site inspection of the Operable Unit in July 199^ Your approval is recommeided Attachment cc Jane Kloeckner. C'NSU Larn,' Knoche. KDHH Steve Iverson. COE S00017366 SUPERFUND RECORDS RECYCLE
Transcript
Page 1: cp o ft 1995 - United States Environmental Protection Agency726 MINNESOTA AVtNUE KANSAS CITY, KANSAS 66101 ccrp 0 ft V595 M KM O RAN 1)11 M SUB.JKCT: Recommendation for Approval of

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY•EGION VI!

726 MINNESOTA AVENUEKANSAS $ITY. KANSAS 66101

A

cp o ft 1995

MEMORANDUM

SUBJECT: Recommendation for Approval )fthe F ive-Yeai R e v i e w for Operable Un i t 3Alternate Water Supply, Chett)l:ee Counts Superfund Sue. Cherokee Countv.Kansas

FROM: David Drake. Remedial Project Manager1AKS Remedial Unit |

THRU: Steve Kovak. Chief1AKS Remedial Unit

IO: Michael Sanderson, DirectorSupertund Division

Five-Y< arI have completed the statutoryWater Supply System, of the Galena SubsitC,Kansas has reviewed and provided input/cono irrence

Revieu foi Operable Unit "01. the AlternateHlCTokee Countv Supertund Site The State of

on t h i s e v a l u a t i o n

The attached Five-Year Review indlK BSthe details of mv si te inspect ion of the OperableUnit in July 199^ Your approval is recommeided

Attachment

cc Jane Kloeckner. C'NSULarn,' Knoche. KDHHSteve Iverson. COE

S00017366SUPERFUND RECORDS RECYCLE

Page 2: cp o ft 1995 - United States Environmental Protection Agency726 MINNESOTA AVtNUE KANSAS CITY, KANSAS 66101 ccrp 0 ft V595 M KM O RAN 1)11 M SUB.JKCT: Recommendation for Approval of

SEP 2 8 1995

MEMORANDUM

SUBJECT: Recommendation for Approval 6f the Five-Year Re\iev» for Operable Unit P01,Alternate Water Supply, Cherokee County Superfund Site, Cherokee County,Kansas !

FROM: David Drake. Remedial Project 'ManagerlAKS Remedial Unit • !

THRU: Steve Kovak, ChieflAKS Remedial Unit

TO: Michael Sanderson, DirectorSuperfund Division

I have completed the statutory Fiva-Yfear Review for Operable Unit f r O l , the AlternateWater Supply System, of the Galena Subsite, Cherokee County Superfund Site The State ofKansas has reviexved and provided input/condurrence on this evaluation

IThe attached l ;i\e-Year Review includes the details of my site inspection of the Operable

Unit in July 1995 Your approval is recommended

Attachment

cc Jane Kloeckner, CNSL !Larry Knoche, KDHE iSteve Iverson. COE !

ISUPR IAKS Drake pgs *7679 9/28/9S:G:\ljSER\SHARE,REME\MEMO5YR GUIlAKS 1AKS~ CNSL \ SUPRDRAK5^ KOVAK KLOECKNE^. SANDER^^N

D.

Page 3: cp o ft 1995 - United States Environmental Protection Agency726 MINNESOTA AVtNUE KANSAS CITY, KANSAS 66101 ccrp 0 ft V595 M KM O RAN 1)11 M SUB.JKCT: Recommendation for Approval of

, XM/^ f UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

V «o^"*" RtGION VII726 MINNESOTA AVtNUE

KANSAS CITY, KANSAS 66101

ccrp 0 ft V595

M KM O RAN 1)11 M

SUB.JKCT: Recommendat ion for Approval of the Five-Yeai Review for Operable I ' n i t «01Alternate Water Supply, Cherokee Count\ Super tund Site, Cherokee County.Kansas

KROM: David Drake. Remedial Project ManagerIAKS Remedial L'nit

THRr: Steve Kovak, Chief fl,IAKS Remedial Un i t

l'(): Michael Sande iNon . DirectorSupertund Division

1 have completed the statutory Five- Year Review foi Operable Un i t • v o l . the Al te rna teWater Supply System, of the Galena Subsite, Cfcerokee Count v Supertund Site The State ofKansas has reviewed and provided input/conculTence on th is evaluation

The attached I ; i \ e -Year Review includes the detai ls of im si te inspect ion of the OperableU n i t in J u l v IW^ N ' o u i a p p i o x a l is recommended

Attachment

cc Jane Kloecknei . C ' N S l .I .any Knoche. K D I I I .Steve Iverson, COK

R E C Y C L E

Page 4: cp o ft 1995 - United States Environmental Protection Agency726 MINNESOTA AVtNUE KANSAS CITY, KANSAS 66101 ccrp 0 ft V595 M KM O RAN 1)11 M SUB.JKCT: Recommendation for Approval of

FIVE-YEAR REVIEW REPORT

•ORI

G A L E N A SUBSITEi OPERABLE U N I T #01

ALTERNATE WATER SI PPLV

CIIKROKEE COTOiTY SUPERFl Nl> SITE

CHEROKEECOUNTY, KANSAS

PREPARED BY:!

li.S. ENVIRONMENTAL PROTECTION AGENCYRECKON VII

726 MINNESOTA AN EN IEKANSAS CITY, KS 66101

Michael J. SajxcfersonDirector, Superfuiul Division

SEPTEMBER 1995

Date

Page 5: cp o ft 1995 - United States Environmental Protection Agency726 MINNESOTA AVtNUE KANSAS CITY, KANSAS 66101 ccrp 0 ft V595 M KM O RAN 1)11 M SUB.JKCT: Recommendation for Approval of

TABLED! CONTENTS

1.0 INTRODUCTION 1

2.0 SITE BACKGROUND ............. j . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22.1 Site Location and Description . j . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22.2 Site History . . . . . . . . . . . . . . . . J . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22.3 Communi ty Relations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32.4 Description of Contaminants .. J . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3i

3.0 SELECTED REMEDY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43.1 Remedial Coals . . . . . . . . . . . . . j . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53.2 Chronology of Events ......... j . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

i4.0 S U M M A R Y OF RESPONSE ACTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

4.1 Construct ion Ac t iv i t i e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 .2Water T a n k s . . . . . . . . . . . . . . . . j . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74.3 Water Supply Wells .......... j . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74.4 Water Dis t r ibut ion System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

j

5.0 CURRKNT CONDITIONS .......... j . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8I

6.0 STATEMENT OF PROTECTIVENESS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9I

7.0 R E C O M M E N D A T I O N S . . . . . . . . . . . j . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

8 . 0 N E X T R K V I K W 10

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1.0 INTRODUCTION

reviewThis report documents the five-year#01, Alternate Water Supply, of theKansas This review was conducted by theU.S

of the Galena Subsite, Operable Unit (OU)Cherokee (Jounty Superfund Site in Cherokee County,

Environmental Protection Agency (EPA)

The purpose of the five-year review if t> determine the continued adequacy of remedialresponse actions undertaken at the site to protest human h ea l t h , welfare, and the environmentSection 121 (c) of the Comprehensive Environ tental Response, Compensation, and Liabili ty Act(CERLCA), as amended, and Section 300.430( X4X") of the National Oil and HazardousSubstances Pollution Contingency Plan (NCP)l tquire that periodic (at least once every fiveyears) reviews be conducted for sites where httirdous substances, pollutants, or contaminantsremain at the site above levels that allow for UK Ulited use or unrestricted exposure following thecompletion of all remedial actions for the site. The reviews are to be completed wi th in f ive yearsof in i t ia t ion of the first remedial action at a SiteW a specific operable un i t w i t h i n a site Remedialactivities at the Galena Subsite O U s O l , Alternate Water S u p p l v . of the Cherokee CountySuperfund Site began in September 1989 when the EPA's conn actor mobili/ed to startconstruction of the remedial act ion OU#01 WfS completed as a 1-und-l.ead Remedial Action

The EPA has established four levelsreview and would be appropriate for sitesactions are no longer protective of humanintensive review, and Level I is appropriate

Le\el 111 requires the most in-depththere is the greatest l ikel ihood that the remedialwelfare, and the environment Level 11 is a less

sites where the remedial actions are anticipated tohave been adequately protective of human net h, welfare, and the environment during the firstfive years of implementat ion A Type la revta t\S intended to streamline the five-year reviewprocess at sites where remedial action is ongoi Igand to reduce resource needs for such reviewsA Type la review is a modified version of al^ >C I review A Type la emphasi/.es only relevantprotectiveness factors, analy/.ed at a standard< Preview appropr ia te for sites where response isongoing Sites generally qua l i fy for a Type It eview u n t i l cons t ruc t ion is completed and the sitequalifies for listing on the Construction Compl Btion List

A Level 1 review was conducted at the Galena Subsite Ol ''•'(>!. Alternate Water Supply, ofthe Cherokee County Superfund Site because he remedial actions appear to be adequate and fullyimplemented This five-year review report SUf imarizes remedial actions undertaken at the site todate, and w i l l determine if the remedial actlOlUwelfare, and the env i ronmen t

The five-year r e v i e w included a site VU itcurrent site condit ions and the current remedu IDoolan and Dave Drake, both wi th EPA Region

are achieving the goal of protecting human heal th .

conducted on J u l y I 1) . I1W\ to observe theactions The site v i s i t was conducted b> Mark

VII

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2.0 SITE BACKGROUND

2 1 Site Location and Description

The Cherokee County Superfund Site IMining District The Tri-State District erOklahoma, Kansas, and Missouri, and was Iin the world The Kansas portion of the disstate

snts the Kansas portion of the Tri-State, approximately 500 square miles inone of the richest lead and /inc ore deposits

(lies within the extreme southeast corner of the

Because of the large si/.e of the mining district in Kansas, the Cherokee County SuperfundSite has been divided into six subsites The Unites are the Galena area, the Baxter Springs area,the Treece area, the Badger area, the Lawtonirea, and the \Vaco area These six subsitesencompass most of the area where mining occurred within the Cherokee County Superfund Site,and where physical surface disturbances are Stffl evident

The Galena subsite is located in theSuperfund Site ( see Figure 1) The City ofthe center of the subsite The Galena subsiteLowlands Physiographic Provine and is clmuch of which is used as cropland Thefeatures, abandoned tailings ponds, bothfeatures The mine was te areas contain sparseadjacent to mine was t e pi les and are located

(-central portion of the Cherokee Countya residential communi ty of 3,588, lies near

[located on the western edge of the Centralby gent le slopes and shallow stream valleys

district is characteri/ed by surface mine wastecollapsed mine shafts, and surface subsidence

no vegetation Main houses are immediatelythin areas of eol ian deposited smelter wastes

Two operable u n i t s ha\e been created within the Galena subsite, the Alternate WaterSupply Operable Unit ( f ' O l ) and the Ground'OUs address the same subsite area OU#01source for rural residents outside the City oftaddress the human heal th and environmental IThis report w i l l address only remedial acth

Ifater/Surfacc Water Operable I ,n i t (»05) Bothi implemented to provide a safe drinking water

Jena, Kansas Ol '?;05 was implemented toiassociated w i t h the min ing waste contaminants

[associated w i t h Ol ' . vOI

2 2 Site History

GaknaLead and /inc min ing began in theA smelter operated along Short Creek directly1960's Sphalerite ( / inc sulf ide) and galena (hidother metal sulfides were found in association (vith

The mining activities changed the hydologywhich cause subsidence resul t ing from condllisurface These act ions d i s rup ted the normal flrfacethereby increasing i n f i l t r a t i o n of surface water into

area about 1S75 and cont inued into the 1^20'snorth of t o w n from the I8 l ) ( ) ' s u n t i l the early

Sulfide) were the p r inc ip le ores, although severalthe economic ores

of the area by creating underground voids,or fracture f low, and leasing mine wastes on the

drainage and depleted surface vegetation,the sha l low m o u n d w a t e r system An

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CHEROKEE COUNTYSITE BOUNDARY

SUBSITE LEGEND

i WACOANEA

2 LAWTONAMEA

3 BADGE* AftEA

4 GALENA SUBSITE

5 BAXTER SWINGS AREA

( TMEECEAREA RGURE1SrTE LOCATIONCHEROKEE CO. KA^iSASGALENA su&srre

Page 9: cp o ft 1995 - United States Environmental Protection Agency726 MINNESOTA AVtNUE KANSAS CITY, KANSAS 66101 ccrp 0 ft V595 M KM O RAN 1)11 M SUB.JKCT: Recommendation for Approval of

estimated 2.0 million cubic yards of mine voids Vtthsurface During the active mining years, water'vasthe ore is located in the same rock formations tl atmining ceased, the mines filled w i t h water as awater inflow through mine shaf ts and subsidence

lin the Galena suhsite remain open to the. continually pumped out of the mines becausecontain the area's shallow aquifer When

of na tu ra l ground wate r recharge and surfaceareas

tesult

Today, the Galena area is underlain by abandoned mines and surrounded by large areas ofmining-related wastes An estimated 1 5 million Cubic yard* of these mine-related wastes arepresent w i t h i n the Galena subsite Numerous Subsidence fea tu re* and open mine shafts, manyfilled w i t h water , are present in and around the town of Galena

I

The Cherokee County Superfund Site WHS proposed for the Nat ional Pr ior i ty List ( N P L )in December 1982 and fmali/ed on the NPLRemedial Invest igat ion/Feasibi l i ty Studyseveral private d r i n k i n g wa te r wells outsidechromium, and nickel above the maximumdrinking purposes under the Safe Drinking Wigoals were exceeded for /inc and manganese.

lember 1()S3 In 1983, the HPA initiated aAs pan of t h i s s tudy, the RPA discovered that

lena, Kan*a* contained levels of lead, cadmium.linant levels (M( ' l . s ) considered safe forAct. A d d i t i o n a l l y , secondary MCLs or MCI.

EPA immediate ly provided those residentswith treatment un i t s for their pr ivate wells until1 a permanent remedy could be implementedFindings from these studies indicated that the Shallow aquifer , w h i c h was u t i l i / ed as the solesource of drinking water by rural area residents!Outside the Galena city limits, had becomecontaminated by heavy metals

2 3 Community Rela t ions

Community and Congressional interest "Cgarding LI 'A * a c t i v i t i e s at the si te have beenhigh Public meetings have been held on a COfl nuing basis th roughout the ongoing a c t i v i t i e sconducted at this site

ft)IC€A group ot legislators formed a taskCherokee County Superfund Site TheLieutenant Governor, four State Senators andrepresenting the City of Galena. Cherokeeof Health and F.nvironment ( K D H EKansas Water Office, L S Bureau of Mines, t.SConservation Service, FPA and citizens.

task fa ce

; County

to help assist coordinat ion of ac t iv i t i es at theis made Lip of 22 people, i nc lud ing the

lepresentative*. a I' S Represen ta t ive and peopler, Kansas National Guard. Kansas Department

KansasR ined Lands Conserva t ion and Reclamation Board,i. Office ot" Surface Mininu . 1.' S Soil

2 4 Description of Contaminants

The primary source of contaminationmetal sultldes in the abandoned mine workingsatmosphere, these metal sul t ldes canwhich increases a c i d i t y The resul t ing

the Galena and either f ive subsites is the residualwaste rock and chat piles I pon exposure to the

become0Ktdized and mobih/e as dissolved compoundsmetal-laden acidic w a t e r , referred to as acid mine dramaue.

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can further leach metals from rock, contaminate prareas The acid mine drainage can also surface troughsurface water runoff and ultimately contaminate riversfrom which the rural Galena residents obtain thl r drinkingcontaminated by acid mine drainage The majoiidentified in the ground water prior to any treat! lent

Concentration

Cadmium 180 ug/1Chromium 120 ug/1Lead 230 ug/1Manganese 3,400 ug/1Nickel 270 ug/1Zinc I 5,000 ug/l

'MCI."Action LevelMC1.G'Secondary MCLug/1 micrograms per Kter or parts per b i l l ion (ppb)

'Ound water and fill mine shafts and subsidencesprings and combine w i t h metal-laden

i, creeks, and lakes The shallow aquifer,ing w a t e r through private wells, has been

contaminants and maximum concentrationsor cons t ruc t ion activit ies were as follows

Criteria

v100'

15"2 ( K ) - . 5 0 '

!()()•

3.0 SELKCTKI) R K M K D Y

In order to expedite an action to provid \Kansas area residents, the LPA provided forOU#01 Subsequent OUs were planned toadl «SSconcerns This allowed HP A to address the UMBta good source of d r i n k i n g wa te r while investij tioisubsites were ongoing Ol '•() 1. which this rBf Wtrural Galena residents ()l ' .v()2 was proposedsince been discont inued and incorporated into 1 liesource control, ground ua te i and surface watesubsites and is being addressed as one project.Ol.'#04 but was later combined with the BaxtO SpringsOl>'05 addresses the source control , ground watersubsite as a follo\s-up to the ()l !«01 remedy.water and surface w a t e r concerns with the Bad jer,

The Ot>'01 remedy consists of providl g(ialena, Kansas The original remedy as outlhl idcollect Water from the deeper uncontaminatedbv the City of Galena and d i s t r i b u t e the watCTl IfO

a safe d r i n k i n g wa te r source for the Galena,initial action under the Alternate Water Supply

the mine was t e areas in (ialena and otherimmediate threat and provide the residents wi thins of the source areas in (ialena and otheraddresses, provides a safe water supply for the

address concerns w i t h the Spring Riser but hasOther opeiable u n i t s ( ) l ' « ( ) 3 wi l l address the

concerns w i t h the Baxter Springs and TrecceTheTreece subsite was i n i t i a l l y designated as

subsite and designated as OL&03and surface w a t e r concerns at the Galena

»U#06 will address the source control, ground', Lawton and \Vaco subsites

a separate wate r supply for the rural residents ofin the l l 'S7 Record of Decision (ROD) was to

LOubidoux aqui fe r through existing wells ownedugh a p ipe l i ne n e t w o r k to homes and businesses

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within the subsite, but outside of the current' municipal water system Two city wellswould have been rehabilitated to provide the M iessary water or a new well would have beendrilled if the existing wells could not have been I ehabilitated The wel ls ' chlor inat ion system anddistribution system w i t h i n the Ci ty of Galena Wtuld be operated and maintained by the City ofGalena The water d i s t r ibu t ion system outsideselected by the citi/ens in the new service arct.

he City of Galena would be operated by an ent i ty

However, the local residents voiced munhthe creation of a water source independent finon the Citydistrict was formed, Kansas Rural Water Distrk tdifferences (ESD) was w r i t t e n to modify the H 17an additional area north of Galena to the Galendeep wells would be constructed and maintain^ ;exception, the City of Galena wou ld provide W terci ty in areas not cu r ren t ly sersiced as well as ft)dis t r ibut ion system The reason for these exce| tionsremainder of the service area and it would havethese areas from the new independent system.

Remedial Goals

concern w i t h this idea stating they would preferof Galena Therefore, a new rural water

(RWD) 'f'8. and an explanation of significantROD The ESD. finalized in Ju ly 1989, added

Subsite and modified the remedy One or moreindependent from the City of Galena As an

to residences on the southeastern edge of thetwo other res idents in close proximi ty to the ci ty

is that these areas were isolated from thebeen uneconomical to extend service lines to

The primary goal of the operable unit H (mediation is to provide suitable d r ink ing water tothe population w i t h i n the Galena subsite. Suitl )ledrinking w a t e r is water tha t meets the pr imaryMCl.s, 40 C l; R $ 1 4 1 , as set by the Safe Drin ing Water Ac t , 42 I' S C $ 141 2 at existing watertaps In addition, Kansas Safe Drinking Water Standards. KAR 2 3 - 1 5 - 1 through -10 should bemet to provide safe and suitable drinking water A second indirect, but equally important goal, isto protect the deep aquifer from contamination that could occur as a direct or indirect result ofimplementing an alternative water supply. Thctegoals are compatible with overall site-wide andsubsite remediation uoals

3 2 Chronology of Events

December 2 1 . 1 9 8 7 Record of Decisionsigned, outlining the IKansas residents

for he Alternate Water Supply Operable Unit (t*()\ )id( 1 to provide a iieu water supply to rural Galena.

Februarv 1988

March 1989

The Tinted States Armproceed w i t h the reined al

A new Kansasoperate and maintain!residents near Galena,

Corps of Engineers (COE) was given notice todesign for the a l t e rna te wate r supply-

Rural V Iter District "8 was incorporated in order tolew alternate wa t e r supply system for the ruraKansas

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July 1989

July 27, 1989

September 1989

September 1990

December 1990

April 1991

May 1993

August 1993

December 1993

January 1994

The first phase oaddressed the constructkfltwo wate r supply well*.

f the remedial design was completed This phaseof two w a t e r storage tanks and the drilling of

The Explanation o:modificat ions to thethe City of Galenaformed to maintain the trstem

f Sign leant Differences was fmah/ed reflecting thed remedy A wate r source independent from

wouk be developed and a new rural water district was

b*gaConstruction activitiesbegan on the water supp ythe water tank constnid onawarded the contract to

Construction ofthetWOtank has a 400,000 galk)capaci ty

in on the wa te r tanks and drilling activitieswells. P i t t -Des Moines Company was awarded

contract and I.arson Dril l ing Company wasrill the two new wel l s

water storage tanks was completed One watercapacity and the second a 50,000 gallon

Cons t ruc t ion of thetWOnew water s u p p l v wel l s was completed Bothwells were drilled to a< ipth of approx imate^ 1.100 feet The upper 500feet of each well was O cd to protect the deep aquifer from the shallowaquifer contamination < rived from the acid mine drainage

Construct ion of the Wit ITawarded to Slates Cont OlCt

292 homes were attachedoriginal water distributionb i l l i ng rural residentsdiscontinued when hoffl »

Const ruc t ion was comp Ctedsystem Over 57 miles

1'inal Inspection wasto be completed priori

distribution system beganion Companv

The contract was

to the water supply system as outlined by thecontract The Rural Water District #8 began

water I n d i v i d u a l t r ea tment un i t s werewere at tached to the new wa te r supply system

The water distribution Contract was modified to add 1 12 new homes to thewater system

with 404 users at tached to the water supplyf water l i ne was constructed

pt formed A punch list was identified of minor itemscontract completion

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4.0 SUMMARY OF RESPONSE ACTIONS

4.1 Construction Activities

Construction activit ies were performedthe water system and to m i n i m i / e project cost.used contractors to implement the major pisupply well dr i l l ing , and water d is t r ibut ionthe work were defined in contract documentdesign contractor, during the design phase,the KDHH, and RWD »8 prior to release forof competitive bidding in accordance with thecontrol cost

4 2 Water Tanks

Pitt-Des Moines Company was corsupply system The COK provided oversight!tanks were constructed The main tank was I1

immediately adjacent to the operation and iA smaller 50,000 gallon capacity tank was<in September 1989 and was completed in

4 3 Water Supply Wells

inder a phased approach to expedite installation ofCOL: acted as the construction manager and

i of the work wa te r t ank construction, watertion The technica l and contractual aspects of

Iges prepared In Bart let t & West, the remedialContractoi documents were reviewed by KPA,ing. All contractors were selected on the basisleral Acquis i t ion Requirements (FARs) to

to construct the two wate r tanks for the waterthe cons t ruc t ion ac t iv i t i e s Two water supply),000 gallon capac i ty u n i t and is located

tenance bui lding southwest of downtown Galenaicted north of Galena Tank construction began

jr 1990

Two wa te r supply wel l s were drilled tOJprovide the w a t e r for the system I.arson DrillingCompany was contracted to dri l l the two wen. Again, the COI-. provided mersight of the drillingactivities Both wells were dulled to a depthOlfapproximatel\ 1 loo feet into the deepRoubidoux aquifer The w e l l s were cased tO ibproximatel\ N»o feet below grade in order toprotect the deep uncontammated aquifer froflllhe shallow aquifer contamina t ion Both wells arelocated southwest of Galena Well construe!!*! began in December 1989 and was completed inDecember 1990

4 4 Water Distr ibution System

The Water d i s t r i bu t i on system wasioversight by the COF. Fifty-seven miles of \pumphouses, one booster pump station, and1

of the construction, 404 total users were :stubs were placed The meter stubs were |a home or business The meter stubs were ifwater d i s t r ibu t ion cons t ruc t ion was initiated!Current ly, there are 447 users and a number i

tructed by Slates Construct ion Company wi thter line was constructed along w i t h two

: operation and maintenance bui lding At the endto the water system and 43 additional meter

on private property to allow for later hookup toJled at the request of the local residents The

i April 1991 and completed in December 1993"available meter stubs

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5.0 CURRENT CONDITIONS

The rural water district is currenusers However, as noted during a July 1995addressed There are basically four problemwater losses in the dis t r ibut ion system, contiwhich the pump is installed, a leaking roof inconcerns

tly opef Itional and adequately providing drinking water tovisit, there are secondary problems that must bewhich include the fol lowing unacceptably high

problems w i t h one of the pumps or the well inmain water supply building, and water hardness

itinued

The water d i s t r i b u t i o n system has beenare likely a result of leaks from the piping intapping into the service lines This situationlarge and create an unnecessary expense,data

Time Period

12/27/9401/27/9502/25/9503/25/9504/25/9505/24/9506/24/9507/28/9508/26/95

01/24/9502/22/9503/25/9504/21/9505/24/9506/24/9507/28/9508/25/9509/22/95

There is a con t inu ing problem with oneWater Supply System This pump was replaceand is now experiencing d i f f i cu l t y again. Met!the pump excessively vibrates There have Ipertains to the actual pump, the design or inn atof the we l l in w h i c h the pump is installed. THfcproblem

Dtperiencing a t y p i c a l l y high losses These lossesthl distribution system or possibly from individualsmi Bt be investigated as these losses are unacceptably

The Mowing table summan/.es the recent water loss

% \N ater Loss

9%

-> 10_-t-1 -70

I "7°

9° „

)f the two pumps tha t comprise the AlternateOnce in the past due to the same type of problemsshavings arc being obser\ed w i t h i n the wel l andcontinuing questions as to whether the problemion of the pump, or the design or construction

X)E is conduct inu an oimoinu evaluat ion of th i s

The roof of the priman, water supply b lildingconstruction was completed ContractorshtVin order to make repairs to the roof Howevttcorrected The roof was observed to be lealdt (d

The hardness of the water continues to remainmajority of the users are satisfied with the qua ty

has continued to in te rmi t ten t ly leak sincereturned to the bu i ld ing on at least two occasionsthe leaking problem remains and must be

luring the J u l > 19^)5 HPA site \ i s i t

an issue w i t h some of the users Theof the w a t e r and several new users have been

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added to the system since construct ion wassmall number of ind iv idua l s who have diiconcerns A review of the hardness data bywithin the upper portion of the normal rangeThe water quality is thus not deemed exithe state The system has alleviated the threatIndividuals who desire softened water havethcWhile the hardness aspect cont inues to be aactions appear to be war ran ted when conSMcomparison to state-wide levels of hardness.

Time Period

April 1995May 1995June 1995JuK 1W5August 1995

CaCO3 Calcium Carbonateppm parts per million or micrograms per!

6.0 STATKMKNT OF PRO IKCTIVEN1

ted H o w e v e r , there have been a re la t ivelyfrom the svstem because of hardnessindicates tha t the q u a l i t y of the water falls

'water supply systems within the State of Kansas1 hard as based on the average water quality for

f consumption of metals impacted watertion of i n s t a l l i n g personal wate r softener uni ts

i to some i n d i v i d u a l s , no addit ional response;the protects eness of the current remedy and the!recent hardness data is provided below

Iness (( ;i( ()3)

374 ppm400 ppm410 ppm405 ppm410 ppm

am (ug, kg I

Operation of the Al ternate Water Supply System since May 1993 has established that thesystem was constructed wi th in the desired specifications and t h a t the remedy is operational andfunctional The basis for this determination if that good q u a l i t v water is being supplied to theresidents of rural Galena, Kansas so the potential health tin eat from dr inking contaminated

fore, the remed\ selected cont inues to protect theshallow aquifer water has been corrected,public health, welfare, and the environment.

7.0 RECOMMENDATIONS

The alternate water supply continues to provide an adequate source of drinking water tousers The followinu recommendations are the result of t h i s rev lew

[A a lua te and correct the excessive water losses tha t are occurnim

Eva lua te and correct thepump, or the well

Evaluate and correct the

US with the pump, instal lat ion or design of the

i with the l e a k i n u roof

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Continue to monitor concerns re atedpersonal water softeners and iflftirmaas a whole

to hard water and provide information onition on w a t e r svstems in the State of Kansas

8.0NKXT RFAIKNV

Since hazardous substances, pollutant!the cleanup standards established for this nun l imi ted use or res t r ic ted exposure, the EPAAccording to guidance from HPA headquiconducted in September 199-4 since theunder this remedial action began in Septemberguidance for the schedule of the next reviewSeptember 1994 - in September 1999

Contaminants remain at the site at levels aboveaction, and at levels wh ich wil l not allow for

fill conduct a d d i t i o n a l I- ive-Year Reviewsthis statutoiA Five-Year Review should have been

of the physical construct ion of the water tanks1989. The HPA Region VII will follow theBCh should be completed w i t h i n five years after

10


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