Tap Water Lookup

County · Kentucky

Hopkins County, Kentucky: drinking water records

This overview covers 10 ZIP codes and 10 community water systems in Hopkins County. It also stands in for 0 ZIP codes whose utility has too little EPA data for a page of its own.

In focus10ZIP codes in this overview
Public records. Clearer context.
5
systems in EPA's PFAS survey
4
systems where PFAS was found
0
systems at or above the PFOA or PFOS limit, on the yearly-average basis EPA uses
0
systems that have reached the lead action level
6
systems with a health-based violation since 2016

System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.

Water systems with the most complete records

Water systemPeople servedPFAS survey resultsPFAS foundHealth-based violationsLead, 9 in 10 homes at or below
Madisonville Light & Water KY054093628,102120140 ppb
South Hopkins Water District KY05404068,440240112 ppb
Nebo Water District KY05409774,702240160 ppb
North Hopkins Water District KY05401383,725240140 ppb
Dawson Springs Water & Sewer KY05409582,631120000 ppb
Hanson Water System KY05406562,1570080 ppb
White Plains Water System KY05404651,8710010 ppb
Nortonville Water Works KY05403282,6110002 ppb
Earlington Water & Sewer KY05401081,7080000 ppb
Mortons Gap Water Department KY05402691,4850000 ppb

ZIP reports in Hopkins County

No ZIP report in this county is published yet.

Sources and scope

EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.

Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.

Keep exploring

Every record tells
part of the story.

Find a place. Read the measurements.
Understand the context.

Explore water records