Clark County, IL
The federal environmental record for Clark County (population 15,088): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
1
Superfund NPL sites
2
federal cleanup sites
0
PFAS-detecting water systems
2
TRI facilities
12
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Velsicol Chemical Corp. (Marshall Plant) | Marshall | on the NPL | 09/08/1983 |
Drinking water: PFAS testing
No public water system serving Clark reported a PFAS detection in the UCMR5 national testing round. Systems serving under 3,300 people were only sampled in part, so absence from this table is not proof of absence in the water.
Facilities reporting toxic releases (2024)
2 facilities in Clark filed TRI reports for 2024, totalling 2k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| ID CASTINGS | MARTINSVILLE | Phenol, Lead | 2k lb |
| ZF ACTIVE SAFETY & ELECTRONICS US LLC | MARSHALL | Toluene, Lead | 726 lb |
Underground fuel tanks
EPA's UST Finder records 73 tank facilities in Clark: 49 tanks in service and 185 closed. 47 fuel releases are on record, of which 12 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Clark as Zone 2, moderate predicted indoor radon (2 to 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.
- VELSICOL CHEM CORP 23 ACRE SITEMARSHALL
- VELSICOL CHEMICAL CORP. (MARSHALL PLANT)MARSHALL