Harrison County, KY
The federal environmental record for Harrison County (population 19,103): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
1
federal cleanup sites
2
PFAS-detecting water systems
1
TRI facilities
0
open tank releases
Drinking water: PFAS testing
Public water systems serving Harrison 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 |
|---|---|---|
| CYNTHIANA MUNICIPAL WATER WORKS KY0490096 | PFOS: 37 ng/L PFHxS: 11 ng/L PFPeA: 7.1 ng/L | above final limit |
| HARRISON CO WATER ASSOC KY0490179 | PFOS: 47.9 ng/L PFHxS: 15.3 ng/L PFPeA: 13.4 ng/L | above final limit |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
1 facilities in Harrison filed TRI reports for 2024, totalling 27k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| 3M CO - CYNTHIANA | CYNTHIANA | Toluene, Cyclohexane | 27k lb |
Underground fuel tanks
EPA's UST Finder records 81 tank facilities in Harrison: 44 tanks in service and 207 closed. 66 fuel releases are on record, of which 0 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Harrison 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 - $39All federal cleanup sites on file
The wider Superfund enterprise inventory (SEMS) for Harrison, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- HARRISON CNTY SITECYNTHIANA