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State utility hub
Browse the indexed community water systems in this state. Each profile brings the provider’s payment routes and household protection policies into a single, practical guide.
Public Water Authority
Service area: Louisville/Jefferson County and portions of Bullitt and Oldham counties
Population: Nearly 1,000,000 people receive Louisville Water drinking water every day; the retail service area is centered on Jefferson County and extends into portions of Bullitt and Oldham counties, while partner and wholesale systems also purchase Louisville water.
Private Investor-Owned Utility
Service area: Lexington and Kentucky American Water service territory
Population: 669,042 people (EPA SDWIS PWS ID KY0340250; 2026 active CWS record).
Public Water Authority
Service area: Louisville and regional Louisville Water service area
Population: 806,997 people (EPA SDWIS active CWS PWS KY0560258)
Public Water Authority
Service area: Northern Kentucky regional service area
Population: 259,949 people (EPA SDWIS active CWS PWS KY0590220)
Public Water Authority
Service area: Warren County and portions of Allen, Simpson, Logan, Butler, and Edmonson Counties
Population: Approximately 91,118 people in the Warren County Water District Community Water System queue
Public Water Authority
Service area: Hardin County and surrounding Elizabethtown service area
Population: 76,326 people (EPA SDWA system estimate)
Public Water Authority
Service area: Boone County and Northern Kentucky service area
Population: 66,300 people (EPA SDWA queue estimate for KY0080034)
Public Water Authority
Service area: Paducah and customers in McCracken, Graves and Marshall counties
Population: 65,004 people (EPA SDWA queue estimate for KY0730533)
Municipal Department
Service area: City of Owensboro
Population: 60,473 people (EPA SDWA queue estimate for KY0300336)
Public Water Authority
Service area: Bowling Green and Warren County service area
Population: 53,601 people (EPA SDWA queue estimate for KY1140038)
Public Water Authority
Service area: City of Frankfort
Population: 52,153 people (EPA SDWA queue estimate for KY0370143)
Municipal Department
Service area: Nicholasville and adjacent retail service area
Population: 35,266 people (EPA SDWA queue estimate for KY0570315)
Public Water Authority
Service area: McCreary County
Population: 34,439 people (EPA SDWA queue estimate for KY0740276)
Public Water Authority
Service area: Daviess County
Population: 33,655 people (EPA SDWA queue estimate for KY0300387)
Public Water Authority
Service area: Meade County
Population: 33,313 people (EPA SDWA queue estimate for KY0820369)
Municipal Department
Service area: Danville
Population: 32,600 people (EPA SDWA queue estimate for KY0110097)
Public Water Authority
Service area: Henderson and North System service area
Population: 31,705 people (EPA SDWA queue estimate for KY0510188)
Municipal Department
Service area: Franklin
Population: 31,602 people (EPA SDWA queue estimate for KY1070144)
Municipal Department
Service area: Bardstown
Population: 31,185 people (EPA SDWA queue estimate for KY0900017)
Public Water Authority
Service area: Hardin County
Population: 30,230 people (EPA SDWA queue estimate for KY0470393)
Municipal Department
Service area: Winchester
Population: 29,823 people (EPA SDWA queue estimate for KY0250473)
Municipal Department
Service area: Somerset
Population: 29,700 people (EPA SDWA queue estimate for KY1000403)
Public Water Authority
Service area: Florence
Population: 29,351 people (EPA SDWA queue estimate for KY0080135)
Municipal Department
Service area: Madisonville
Population: 28,109 people (EPA SDWA queue estimate for KY0540264/KY0540936)
Municipal Department
Service area: Prestonsburg
Population: 26,788 people (EPA SDWIS 2026Q2 estimate for KY0360358)
Municipal Department
Service area: Murray
Population: 26,302 people (EPA SDWIS 2026Q2 estimate for KY0180306)
Public Water Authority
Service area: Richmond / Madison County
Population: 25,120 people (EPA SDWIS 2026Q2 estimate for KY0760224)
Municipal Department
Service area: Campbellsville
Population: 24,874 people (EPA SDWIS 2026Q2 estimate for KY1090060)
Municipal Department
Service area: Paintsville
Population: 24,354 people (EPA SDWIS 2026Q2 estimate for KY0580340)
Private Investor-Owned Utility
Service area: Mount Washington
Population: 23,760 people (EPA SDWIS 2026Q2 estimate for KY0150300)
Public Water Authority
Service area: Shelbyville
Population: 23,760 people (EPA SDWIS 2026Q2 estimate for KY1060394)
Public Water Authority
Service area: Hardin County / Fort Knox
Population: 23,600 people (EPA SDWIS 2026Q2 estimate for KY0470990)
Public Water Authority
Service area: Somerset / Western Pulaski County
Population: 23,264 people (EPA SDWIS 2026Q2 estimate for KY1000363)
Municipal Department
Service area: Taylorsville
Population: 22,286 people (EPA SDWIS 2026Q2 estimate for KY1080425)
Public Water Authority
Service area: Campbellsville / Adair County
Population: 22,113 people (EPA SDWIS 2026Q2 estimate for KY0011016)
Municipal Department
Service area: Fort Campbell
Population: 22,000 people (EPA SDWIS 2026Q2 estimate for KY0241001)
Public Water Authority
Service area: Somerset / Nelson Valley
Population: 21,895 people (EPA SDWIS 2026Q2 estimate for KY1000311)
Public Water Authority
Service area: Monticello
Population: 21,000 people (EPA SDWIS 2026Q2 estimate for KY1160291)
Public Water Authority
Service area: Crittenden
Population: 20,048 people (EPA SDWIS 2026Q2 estimate for KY0410047)
Public Water Authority
Service area: Leitchfield
Population: 20,033 people (EPA SDWIS 2026Q2 estimate for KY0430616)
Public Water Authority
Service area: Morehead
Population: 18,765 people (EPA SDWIS 2026Q2 estimate for KY1030375)
Public Water Authority
Service area: Hardinsburg
Population: 18,437 people (EPA SDWIS 2026Q2 estimate for KY0140966)
Public Water Authority
Service area: Brownsville
Population: 17,848 people (EPA SDWIS 2026Q2 estimate for KY0310114)
Municipal Department
Service area: ELIZABETHTOWN
Population: 76326 people (EPA SDWIS 2026Q2 active CWS estimate for KY0470175)
Municipal Department
Service area: GEORGETOWN
Population: 44608 people (EPA SDWIS 2026Q2 active CWS estimate for KY1050157)
Municipal Department
Service area: ASHLAND
Population: 44402 people (EPA SDWIS 2026Q2 active CWS estimate for KY0100011)
Municipal Department
Service area: PIKEVILLE
Population: 44057 people (EPA SDWIS 2026Q2 active CWS estimate for KY0980575)
Municipal Department
Service area: HOPKINSVILLE
Population: 41350 people (EPA SDWIS 2026Q2 active CWS estimate for KY0240201)
Municipal Department
Service area: BUCKNER
Population: 38409 people (EPA SDWIS 2026Q2 active CWS estimate for KY0930333)
Private Investor-Owned Utility
Service area: GLASGOW
Population: 36766 people (EPA SDWIS 2026Q2 active CWS estimate for KY0050929)
Kentucky directory notes
This state hub brings together 50 indexed community water systems, from city departments and public authorities to investor-owned systems and smaller regional providers. A service area may cross municipal boundaries, so use the provider name and service address on your bill when choosing a profile.
The most important distinction is between a directory listing and an official account channel. Water Ledger provides a structured starting point; the utility’s own payment portal, published rate schedule, customer-service office, and mailed notice control your account. Compare the payment route, billing frequency, emergency number, and customer-protection notes before relying on a page for a time-sensitive decision.
If you are helping a household with a high bill, leak, or delinquency notice, open the utility profile and review the payment, shut-off, and leak-adjustment guides together. Keep the bill, account number, confirmation receipts, repair records, and notice dates available when speaking with the provider.