Clark County, IN
The federal environmental record for Clark County (population 125,467): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
4
federal cleanup sites
3
PFAS-detecting water systems
9
TRI facilities
34
open tank releases
Drinking water: PFAS testing
Public water systems serving Clark 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 |
|---|---|---|
| INDIANA AMERICAN WATER - CHARLESTOWN IN5210003 | PFOA: 13.4 ng/L | above final limit |
| MARYSVILLE OTISCO NABB WATER CORP. IN5210006 | PFOA: 14.5 ng/L | above final limit |
| SELLERSBURG WATER DEPARTMENT IN5210010 | PFOA: 4 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
9 facilities in Clark filed TRI reports for 2024, totalling 136k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| KITCHEN KOMPACT | JEFFERSONVILLE | Xylene (mixed isomers), Ethylbenzene | 112k lb |
| STEEL DYNAMICS INC. | JEFFERSONVILLE | Chromium compounds (except for chromite ore mined in the Transvaal Region), Antimony And Antimony Compounds | 19k lb |
| PARKER HVAC FILTRATION | JEFFERSONVILLE | Manganese | 3k lb |
| AIRGAS SPECIALTY PRODUCTS-JEFFERSONVILLE IN | JEFFERSONVILLE | Ammonia | 701 lb |
| COOK COMPRESSION LLC | JEFFERSONVILLE | Tetrafluoroethylene | 621 lb |
| IDEMITSU LUBRICANTS AMERICA CORP | JEFFERSONVILLE | Zinc compounds, Polycyclic aromatic compounds | 476 lb |
| ROLL FORMING CORP | JEFFERSONVILLE | - | 0 lb |
| CHRYSO INC | CHARLESTOWN | - | 0 lb |
| CHEMTRUSION INC. | JEFFERSONVILLE | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 294 tank facilities in Clark: 209 tanks in service and 784 closed. 209 fuel releases are on record, of which 34 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Clark 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 Clark, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- CLARKSVILLE GRAVEL PIT #1CLARKSVILLE
- GRAVEYARD AUTOJEFFERSONVILLE
- US ARMY INDIANA ARMY AMMO PLTCHARLESTOWN
- US DEPT COMMERCE CENSUS BUREAUJEFFERSONVILLE