Mercer County, KY
The federal environmental record for Mercer County (population 22,902): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
0
federal cleanup sites
2
PFAS-detecting water systems
3
TRI facilities
0
open tank releases
Drinking water: PFAS testing
Public water systems serving Mercer with at least one PFAS detection under UCMR5. The federal limit for PFOA and PFOS is 4 ng/L; EPA proposed in May 2026 to rescind the limits for the other compounds, which are shown for information.
| System | Highest results | Reading |
|---|---|---|
| NORTH MERCER WATER DISTRICT KY0840321 | 6:2 FTS: 10.8 ng/L PFPeA: 3.3 ng/L | detected |
| LAKE VILLAGE WATER ASSOCIATION KY0840587 | 6:2 FTS: 10.5 ng/L PFPeA: 7.6 ng/L PFHxA: 4.1 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
3 facilities in Mercer filed TRI reports for 2024, totalling 908k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| CORNING INC | HARRODSBURG | Lithium carbonate, Ammonia | 637k lb |
| KENTUCKY UTILITIES CO. - E. W. BROWN STATION | HARRODSBURG | Barium And Barium Compounds, Vanadium compounds | 271k lb |
| ASTEMO AMERICAS INC-HK | HARRODSBURG | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 102 tank facilities in Mercer: 32 tanks in service and 250 closed. 79 fuel releases are on record, of which 0 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Mercer as Zone 1, the highest predicted indoor radon levels (over 4 pCi/L average). Radon and air quality are covered in depth on lung.com.
The record for one specific address
County figures blur what matters: distance. The Address Environmental Report runs these same federal datasets against one address and reports every site, tank, polluter and water result around it, with distances, in about a minute.
Get the report - $39