EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records

STATE / TERRITORY LEDGER

Kentucky drinking water system records

EPA’s September 2026 export lists 251 active community water systems in Kentucky, with 18 current-violation flags and 3 serious-violator flags among covered systems serving at least 2,500 people.

Source: EPA SDWIS system-search export · Active community systems · Snapshot 13 Sep 2026

Systems251active CWS · pop. 2,500+
Population served4,904,629reported total; may overlap
Current violation flag7.2%18 systems
Serious-violator flag1.2%3 systems

01 / LARGEST SYSTEMS

Kentucky community water systems

EPA’s covered Kentucky records include 251 active community systems reporting a combined population-served total of 4,904,629, which may overlap.

Population served is a system-reported service figure. It is not a count of unique state residents.

Largest covered community water systems in Kentucky
Water systemPopulation servedPrimary sourceCurrent export status
Louisville Water CompanyKY0560258806,997Surface waterNo current violation flagged
Kentucky-American Water CoKY0340250669,042Surface waterNo current violation flagged
Northern Kentucky Water DistrictKY0590220259,949Surface waterNo current violation flagged
Warren County Water DistrictKY114048791,118Surface water purchasedNo current violation flagged
Hardin County Water District #2KY047017576,326Surface waterNo current violation flagged
Boone Co Water & Sewer DistrictKY008003466,300Surface water purchasedNo current violation flagged
Paducah Water WorksKY073053365,004Surface waterNo current violation flagged
Owensboro Municipal UtilitiesKY030033660,473Ground waterNo current violation flagged
Bowling Green Municipal UtilitiesKY114003853,601Surface waterNo current violation flagged
Frankfort Plant BoardKY037014352,153Surface waterNo current violation flagged
Georgetown Municipal Water ServiceKY105015744,608Surface waterNo current violation flagged
Ashland Water WorksKY010001144,402Surface waterNo current violation flagged
Mountain Water DistKY098057544,057Surface waterNo current violation flagged
Hopkinsville Water Environment AuthorityKY024020141,350Surface waterNo current violation flagged
Oldham County Water DistrictKY093033338,409Ground waterNo current violation flagged
Glasgow Water CompanyKY005092936,766Surface waterNo current violation flagged
Richmond UtilitiesKY076037035,640Surface waterNo current violation flagged
Nicholasville Water DepartmentKY057031535,266Surface waterNo current violation flagged
Mccreary County Water DistrictKY074027634,439Surface waterNo current violation flagged
Daviess Co Water DistrictKY030038733,655Ground water purchasedNo current violation flagged
Meade County Water DistrictKY082036933,313Surface water purchasedCurrent health-based flag
Danville City Water WorksKY011009732,600Surface waterNo current violation flagged
Henderson Water Utility/NorthKY051018831,705Surface waterNo current violation flagged
Franklin Water WorksKY107014431,602Surface waterNo current violation flagged
Bardstown Municipal Water DeptKY090001731,185Surface waterNo current violation flagged
Hardin County Water District #1KY047039330,230Surface waterNo current violation flagged
Winchester Municipal UtilitiesKY025047329,823Surface waterNo current violation flagged
Somerset Water ServiceKY100040329,700Surface waterNo current violation flagged
Florence Water & SewerKY008013529,351Surface water purchasedNo current violation flagged
Madisonville Light & WaterKY054093628,102Surface waterNo current violation flagged
Prestonsburg City UtilitiesKY036035826,788Surface waterNo current violation flagged
Hazard Water DepartmentKY097018426,730Surface waterNo current violation flagged
Murray Water SystemKY018030626,302Ground waterNo current violation flagged
Madison Co Utilities DistrictKY076022425,120Surface water purchasedNo current violation flagged
Campbellsville Municipal WaterKY109006024,874Surface waterOther current violation flag
Paintsville Municipal Water WorksKY058034024,354Surface waterNo current violation flagged
Mt Washington Water CompanyKY015030023,760Surface water purchasedNo current violation flagged
Shelbyville Water & Sewer CommissionKY106039423,760Surface waterNo current violation flagged
Hardin Co. Water Dist #1/Ft. KnoxKY047099023,600Surface water purchasedNo current violation flagged
Western Pulaski Co Water DistrictKY100036323,264Surface water purchasedNo current violation flagged
Taylorsville Water WorksKY108042522,286Surface water purchasedNo current violation flagged
Columbia/Adair Utilities DistrictKY001101622,113Surface waterNo current violation flagged
Fort CampbellKY024100122,000Ground water purchasedNo current violation flagged
Southeastern Water Assoc/Nelson ValleyKY100031121,895Surface water purchasedNo current violation flagged
Monticello Water & Sewer CommissionKY116029121,000Surface waterNo current violation flagged
Bullock Pen Water DistrictKY041004720,048Surface waterNo current violation flagged
Grayson County Water DistrictKY043061620,033Surface waterNo current violation flagged
Rowan Water IncKY103037518,765Surface water purchasedNo current violation flagged
Hardinsburg Ro WtpKY014096618,437Ground waterNo current violation flagged
Edmonson Co Water DistrictKY031011417,848Surface waterNo current violation flagged
Versailles Water SystemKY120043917,822Surface waterCurrent health-based flag
Henry County Water District #2KY052019217,716Ground waterNo current violation flagged
Henderson County Water DistrictKY051018917,447Surface water purchasedNo current violation flagged
Green River Valley Water DistrictKY050016617,431Surface waterNo current violation flagged
Christian Co Water DistrictKY024052117,248Surface water purchasedNo current violation flagged
Laurel Co Water District #2KY063023816,899Surface waterNo current violation flagged
Muhlenberg Co Water DistrictKY089030216,845Surface water purchasedNo current violation flagged
Harrison Co Water AssociationKY049017916,736Surface water purchasedNo current violation flagged
Pineville Water SystemKY007035316,573Surface waterNo current violation flagged
Ohio County Water DistrictKY092033216,511Surface waterNo current violation flagged
Barbourville UtilitiesKY061001616,420Surface waterNo current violation flagged
Allen County Water DistrictKY002095616,398Surface water purchasedNo current violation flagged
Mt Sterling Water WorksKY087029816,391Surface waterNo current violation flagged
Marion County Water DistrictKY078026816,311Surface water purchasedNo current violation flagged
North Marshall Water District #1KY079031916,276Ground waterNo current violation flagged
Corbin Utilities CommissionKY118008516,065Surface waterNo current violation flagged
East Laurel Water DistrictKY063079716,062Surface water purchasedNo current violation flagged
Green Taylor Water DistrictKY044016715,497Surface water purchasedNo current violation flagged
Southern Water & Sewer DistrictKY036002615,110Surface waterOther current violation flag
Wood Creek Water DistrictKY063047714,892Surface waterNo current violation flagged
West Laurel Water Assoc IncKY063045114,878Surface water purchasedNo current violation flagged
Garrard Co Water Assoc IncKY040015114,806Surface water purchasedNo current violation flagged
Lawrenceburg Water & Sewer DeptKY003023914,748Surface waterNo current violation flagged
Southern Madison Water DistrictKY076040714,707Surface water purchasedNo current violation flagged
North Shelby Water DistrictKY106032414,660Surface water purchasedNo current violation flagged
Barkley Lake Water DistrictKY111001914,284Surface waterNo current violation flagged
Butler County Water System IncKY016005214,256Surface waterNo current violation flagged
Paris Water WorksKY009034314,139Surface waterNo current violation flagged
Jackson Co Water AssociationKY055020913,629Surface waterNo current violation flagged
North Nelson Water DistrictKY090032313,365Surface water purchasedNo current violation flagged
Springfield Water WorksKY115041513,205Surface waterNo current violation flagged
Big Sandy Water DistrictKY010094413,044Surface water purchasedNo current violation flagged
Western Rockcastle Water AssocKY102089112,623Surface water purchasedNo current violation flagged
Eubank Water SystemKY100012412,492Surface water purchasedNo current violation flagged
East Casey Co Water DistrictKY023055612,460Surface water purchasedOther current violation flag
Mayfield Electric & WaterKY042027412,379Ground waterNo current violation flagged
Greenup Water SystemKY045016912,193Surface waterNo current violation flagged
Water Service Corporation Of KentuckyKY007028212,022Surface waterNo current violation flagged
E Daviess Co Water Assoc IncKY030010911,997Ground water purchasedNo current violation flagged
Rattlesnake Ridge Water DistrictKY022055511,397Surface waterNo current violation flagged
Manchester Water WorksKY026073711,349Surface waterNo current violation flagged
Maysville Utility CommissionKY081027511,263Surface waterNo current violation flagged
Grayson Utility CommissionKY022016410,950Surface waterNo current violation flagged
Bath County Water DistrictKY006002210,083Surface water purchasedNo current violation flagged
Lagrange Utilities CommissionKY093048110,067Ground water purchasedNo current violation flagged
Berea Municipal UtilitiesKY07600309,972Surface waterNo current violation flagged
Whitley Co Water DistrictKY11804689,825Surface water purchasedNo current violation flagged
Todd County Water DistrictKY11009449,801Surface water purchasedNo current violation flagged
North Mercer Water DistrictKY08403219,775Surface water purchasedNo current violation flagged
Fleming Co Water AssociationKY03501339,693Surface water purchasedNo current violation flagged
Flatwoods Water CompanyKY04501329,649Surface water purchasedNo current violation flagged
Pikeville Water DepartmentKY09803509,638Surface waterNo current violation flagged
Hyden Leslie Co Water DistrictKY06602049,614Surface waterNo current violation flagged
Monroe County Water DistrictKY08601509,608Surface waterNo current violation flagged
Crittenden-Livingston Co Water DistrictKY07005329,571Surface waterNo current violation flagged
Estill Co Water DistrictKY03301239,501Surface water purchasedNo current violation flagged
Cumberland Falls Highway Water DistrictKY11800939,498Surface water purchasedNo current violation flagged
Russell Springs Water & SewerKY10403779,409Surface water purchasedNo current violation flagged
Stanford Water WorksKY06904179,284Surface waterNo current violation flagged
Larue County Water District #1KY06202379,062Surface water purchasedNo current violation flagged
East Logan Water DistrictKY07109519,060Surface water purchasedNo current violation flagged
Morehead Utility Plant BoardKY10302929,052Surface waterNo current violation flagged
Albany Water WorksKY02700039,042Surface waterNo current violation flagged
Martin Co Water District #1KY08002739,003Surface waterNo current violation flagged
Cannonsburg Water DistrictKY01000648,953Surface water purchasedNo current violation flagged
Simpson County Water DistrictKY10703988,946Surface water purchasedNo current violation flagged
Magoffin County Water DistrictKY07705258,925Surface water purchasedNo current violation flagged
London Utility CommissionKY06302558,855Surface waterNo current violation flagged
Jessamine S Elkhorn Water DistKY05702498,826Surface water purchasedNo current violation flagged
Oak Grove Utilities OfficeKY02403298,762Surface water purchasedNo current violation flagged
Russellville Mun Water WorksKY07103788,613Surface water purchasedNo current violation flagged
Edmonton Water WorksKY08501158,515Surface water purchasedNo current violation flagged
South Hopkins Water DistrictKY05404068,440Surface water purchasedNo current violation flagged
Leitchfield Water WorksKY04302448,438Surface waterNo current violation flagged
Beattyville Water WorksKY06500248,428Surface waterCurrent serious-violator flag
So Anderson Water DistrictKY00306608,417Surface water purchasedNo current violation flagged
Knox County Utility CommissionKY06101108,313Surface waterNo current violation flagged
Harrodsburg Municipal Water DepartmentKY08401808,310Surface waterNo current violation flagged
Louisa Water DepartmentKY06402578,236Surface waterNo current violation flagged
Farmdale Water DistrictKY03701288,203Surface water purchasedNo current violation flagged
Benton Water & SewerKY07900297,981Ground waterNo current violation flagged
US 60 Water DistrictKY10604367,892Surface water purchasedNo current violation flagged
Lebanon Water Works Co IncKY07802417,642Surface waterNo current violation flagged
Morgan County Water DistrictKY08805947,502Surface water purchasedOther current violation flag
Jamestown Municipal Water WorksKY10402107,402Surface waterNo current violation flagged
East Clark Co Water DistrictKY02509817,366Surface water purchasedNo current violation flagged
Cynthiana Municipal Water WorksKY04900967,263Surface waterNo current violation flagged
Jonathan Creek Water DistrictKY07902167,182Ground waterNo current violation flagged
Powell Valley Water DistrictKY09903577,128Surface water purchasedNo current violation flagged
Cumberland Co Water DistrictKY02902717,099Surface water purchasedNo current violation flagged
Muhlenberg Co Water District #3KY08903047,075Surface water purchasedNo current violation flagged
Knott Co Water & Sewer DistrictKY06000627,056Surface waterNo current violation flagged
Princeton Water & Sewer CommissionKY01703607,007Surface waterNo current violation flagged
West Shelby Water DistrictKY10604576,994Surface water purchasedNo current violation flagged
Vanceburg Electric Plant BoardKY06804386,921Surface water purchasedNo current violation flagged
Scottsville Water DepartmentKY00203866,864Surface waterNo current violation flagged
Lake Village Water AssociationKY08405876,855Surface water purchasedNo current violation flagged
Carrollton UtilitiesKY02100676,851Ground waterNo current violation flagged
Jessamine Co Water District #1KY05702146,831Surface water purchasedNo current violation flagged
City Of South Shore Water WorksKY04504106,798Surface water purchasedNo current violation flagged
Lyon County Water DistrictKY07209336,744Surface water purchasedNo current violation flagged
Vine Grove Water DepartmentKY04704406,703Surface water purchasedCurrent health-based flag
Stanton Water WorksKY09904186,611Surface water purchasedOther current violation flag
Campton Water SystemKY11900616,600Surface waterNo current violation flagged
Western Lewis Rectorville Water DistrictKY08103666,534Surface water purchasedNo current violation flagged
Morehead State UniversityKY10304806,500Surface waterNo current violation flagged
Bracken County Water DistrictKY01200396,456Ground water purchasedNo current violation flagged
Olive Hill Municipal Water WorksKY02203356,192Surface waterNo current violation flagged
Cadiz Municipal Water CoKY11100546,165Surface waterNo current violation flagged
Union County Water DistrictKY11304336,117Surface water purchasedNo current violation flagged
Caldwell County Water DistrictKY01705286,000Surface water purchasedNo current violation flagged
Kirksville Water AssociationKY07606725,940Surface water purchasedNo current violation flagged
Science Hill Water WorksKY10003625,940Surface water purchasedNo current violation flagged
Webster Co Water DistrictKY11709955,940Surface waterNo current violation flagged
Carroll Co Water District #1KY02100665,934Ground waterNo current violation flagged
Gallatin County Water DistrictKY03901305,860Ground waterNo current violation flagged
Bloomfield Water & Sewer DeptKY09000315,771Surface water purchasedCurrent monitoring/reporting flag
Wilmore Water WorksKY05700105,762Surface waterNo current violation flagged
Greenville Utilities CommissionKY08901705,649Surface waterOther current violation flag
Irvine Municipal UtilitiesKY03302055,649Surface waterNo current violation flagged
Central City Water & SewerKY08900715,601Surface waterNo current violation flagged
Williamsburg Water DepartmentKY11804715,554Surface waterNo current violation flagged
Judy Water AssociationKY08701475,539Surface water purchasedNo current violation flagged
East Pendleton Water DistrictKY09601125,515Surface water purchasedNo current violation flagged
Williamstown Municipal Water DeptKY04104725,495Surface waterNo current violation flagged
Mckinney Water DistrictKY06902785,423Surface water purchasedNo current violation flagged
Hustonville Water WorksKY06902035,420Surface water purchasedNo current violation flagged
Frenchburg Water CompanyKY08301485,401Surface water purchasedNo current violation flagged
Booneville Water And SewerKY09500365,346Surface waterNo current violation flagged
Jeffersonville Water SystemKY08702125,335Surface water purchasedNo current violation flagged
North Manchester Water AssocKY02602665,332Surface water purchasedCurrent monitoring/reporting flag
South Logan Water AssociationKY07107075,198Surface water purchasedNo current violation flagged
Russell Water CompanyKY04503765,181Surface waterNo current violation flagged
Morganfield Water WorksKY11302935,170Surface waterCurrent serious-violator flag
Bronston Water Associaton IncKY10000435,114Surface water purchasedNo current violation flagged
Breathitt Co Water DistrictKY01310125,068Surface water purchasedNo current violation flagged
Graves Co Water Dist - ConsumersKY04200845,016Ground water purchasedNo current violation flagged
Mammoth Cave/Central SystemKY03109405,000Surface water purchasedNo current violation flagged
Mt Vernon Water WorksKY10202994,951Surface waterNo current violation flagged
Jackson Municipal Water WorksKY01302084,704Surface waterNo current violation flagged
Nebo Water DistrictKY05409774,702Surface water purchasedNo current violation flagged
Fulton Municipal Water SystemKY03801494,662Ground waterNo current violation flagged
Hodgenville Water WorksKY06202004,629Surface waterNo current violation flagged
Flemingsburg Utility SystemKY03501344,583Surface waterNo current violation flagged
Harlan Municipal Water WorksKY04801784,574Surface waterNo current violation flagged
Lancaster Water WorksKY04002334,573Surface waterNo current violation flagged
Providence Water WorksKY11703614,538Surface waterNo current violation flagged
Buffalo Trail Water AssocKY08100464,514Surface water purchasedNo current violation flagged
Cawood Water DistrictKY04805654,428Surface waterNo current violation flagged
Calvert City Municipal Water DepartmentKY07900564,381Ground waterNo current violation flagged
Sharpsburg Water DistrictKY00603924,332Surface water purchasedNo current violation flagged
Western Fleming Water DistrictKY09106754,262Surface waterNo current violation flagged
Parksville Water DistrictKY01103454,261Surface water purchasedNo current violation flagged
So Woodford Co Water DistrictKY12004114,218Surface water purchasedNo current violation flagged
Walton Waterworks DepartmentKY00804424,173Surface water purchasedNo current violation flagged
Trimble Co Water District #1KY11204314,146Ground waterNo current violation flagged
Nicholas Co Water DistrictKY09103144,089Surface water purchasedNo current violation flagged
Graves Co Water Dist - HickoryKY04201944,069Ground waterNo current violation flagged
Grand Rivers Water SystemKY07001623,980Surface water purchasedNo current violation flagged
Beaver Dam Municipal Water & SewerKY09200253,901Ground waterNo current violation flagged
Falmouth Water DepartmentKY09601263,861Surface waterNo current violation flagged
Milton Water & Sewer DepartmentKY11202893,861Ground waterNo current violation flagged
Whitesburg Water WorksKY06704663,861Surface waterNo current violation flagged
Eddyville Water DepartmentKY07201133,843Surface waterNo current violation flagged
North Hopkins Water DistrictKY05401383,725Surface water purchasedNo current violation flagged
Pendleton Co Water District #1/SouthKY09604993,713Surface water purchasedNo current violation flagged
Whitesville Water WorksKY03004673,672Ground water purchasedNo current violation flagged
Sandy Hook Water DistrictKY03203833,528Ground waterNo current violation flagged
Sturgis Water WorksKY11304223,490Surface water purchasedCurrent serious-violator flag
Peaks Mill Water DistrictKY03703463,268Surface water purchasedNo current violation flagged
Caveland Environmental Authority, Inc.KY00503443,264Surface water purchasedNo current violation flagged
Lewisport Municipal Water WorksKY04602483,249Ground waterNo current violation flagged
Hawesville Water WorksKY04601823,225Ground waterNo current violation flagged
Fleming-Neon Water CompanyKY06702793,212Surface water purchasedCurrent monitoring/reporting flag
Raceland Water SystemKY04503653,201Surface water purchasedNo current violation flagged
Hickman Water DepartmentKY03801933,191Ground waterCurrent monitoring/reporting flag
Corinth Water DistrictKY04106623,139Surface water purchasedNo current violation flagged
Hartford Municipal Water WorksKY09201813,119Surface waterNo current violation flagged
Lewisburg Water WorksKY07102473,119Surface water purchasedOther current violation flag
Evarts Municipal Water PlantKY04801253,059Groundwater under influence of surface waterCurrent monitoring/reporting flag
Marion Water DepartmentKY02802673,039Surface waterNo current violation flagged
Salyersville Municipal WaterKY07705663,029Surface waterNo current violation flagged
Western Mason Co Water DistrictKY08104602,994Ground waterNo current violation flagged
North Mclean Co Water DistrictKY03003202,934Surface water purchasedNo current violation flagged
Garrison Quincy Heights Water DistrictKY06801532,908Ground waterNo current violation flagged
Brandenburg Water WorksKY08200412,880Ground waterNo current violation flagged
Lebanon Junction Water WorksKY01502422,866Surface water purchasedNo current violation flagged
Cumberland Municipal Water WorksKY04800922,843Surface waterNo current violation flagged
Elkton Water WorksKY11001212,780Surface water purchasedNo current violation flagged
Horse Cave Water SystemKY05004762,744Surface water purchasedNo current violation flagged
Ledbetter Water DistrictKY07002432,729Surface water purchasedNo current violation flagged
Letcher County Water DistrictKY06704622,673Surface water purchasedNo current violation flagged
Ne Woodford Co Water DistrictKY12003102,644Surface water purchasedNo current violation flagged
Perry County Water & SewerKY09704842,642Surface water purchasedNo current violation flagged
Dawson Springs Water & SewerKY05409582,631Surface waterNo current violation flagged
Morgantown Water SystemKY01602942,628Surface waterNo current violation flagged
Nortonville Water WorksKY05403282,611Ground waterNo current violation flagged
Jenkins Water SystemKY06702132,609Surface waterNo current violation flagged
Burkesville Water WorksKY02900492,566Surface waterNo current violation flagged
Eminence Water WorksKY05201222,554Ground water purchasedNo current violation flagged
Reid Village Water DistrictKY08703672,545Surface water purchasedNo current violation flagged

02 / CITY REPORTS

Kentucky city water-system reports

Kentucky has 0 city reports meeting the publication threshold for covered systems or reported population served.

03 / COUNTY REPORTS

Kentucky county water-system reports

Kentucky has 97 county reports meeting the publication threshold for covered systems or reported population served.