Clinton County, IA
The federal environmental record for Clinton County (population 46,158): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
1
Superfund NPL sites
5
federal cleanup sites
1
PFAS-detecting water systems
10
TRI facilities
10
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Lawrence Todtz Farm | Camanche | on the NPL | 06/10/1986 |
Drinking water: PFAS testing
Public water systems serving Clinton 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 |
|---|---|---|
| IOWA-AMERICAN WTR CO-CLINTON DISTRICT IA2326048 | PFBA: 647.9 ng/L PFPeA: 18.1 ng/L PFBS: 11.7 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
10 facilities in Clinton filed TRI reports for 2024, totalling 4.2M lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| ADM CORN PROCESSING | CLINTON | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)), Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 2.1M lb |
| EQUISTAR CHEMICALS CLINTON PLANT | CLINTON | Ethylene, Propylene | 2.0M lb |
| LATHAM POOL PRODUCTS INC. - DEWITT IA | DE WITT | Styrene, Methyl methacrylate | 90k lb |
| DARLING INGREDIENTS INC | CLINTON | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 33k lb |
| SETHNESS PRODUCTS CO | CLINTON | Ammonia | 15k lb |
| GUARDIAN INDUSTRIES - DEWITT | DE WITT | Ammonia, Lead And Lead Compounds | 15k lb |
| NESTLE PURINA PETCARE CO | CLINTON | Copper, Manganese And Manganese Compounds | 63 lb |
| MERRILL IRON & STEEL INC | CAMANCHE | Manganese And Manganese Compounds, Nickel And Nickel Compounds | 2 lb |
| HAWKINS INC. - CAMANCHE | CAMANCHE | Chlorine | 2 lb |
| MAGNAFLUX | DE WITT | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 226 tank facilities in Clinton: 118 tanks in service and 550 closed. 114 fuel releases are on record, of which 10 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Clinton 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 Clinton, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- CHEMPLEX CO IICLINTON
- CHEMPLEX CO.CLINTON
- CLINTON COAL GASCLINTON
- CLINTON COAL GASCLINTON
- LAWRENCE TODTZ FARMCAMANCHE