Whiteside County, IL
The federal environmental record for Whiteside County (population 54,498): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
6
federal cleanup sites
2
PFAS-detecting water systems
8
TRI facilities
34
open tank releases
Drinking water: PFAS testing
Public water systems serving Whiteside 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 |
|---|---|---|
| FULTON IL1950250 | PFBA: 6.7 ng/L | detected |
| ROCK FALLS IL1950450 | PFBA: 11 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
8 facilities in Whiteside filed TRI reports for 2024, totalling 725k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| STERLING STEEL CO LLC | STERLING | Manganese And Manganese Compounds, Zinc compounds | 715k lb |
| WAHL CLIPPER CORP | STERLING | Chromium, Manganese | 5k lb |
| ROCK RIVER FABRICATION | LYNDON | Copper, Manganese | 4k lb |
| MACLEAN MALLARD LLC | STERLING | Manganese | 33 lb |
| FORGE GROUP LLC DBA ILLINOIS FORGE CO | ROCK FALLS | Chromium | 2 lb |
| METAL SPINNERS - A DIV OF SAMUEL SON & CO. (USA) INC. | ROCK FALLS | - | 0 lb |
| FRANTZ MANUFACTURING CO WHEEL & BEARING DIV | STERLING | - | 0 lb |
| AGRI-KING INC. | FULTON | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 263 tank facilities in Whiteside: 107 tanks in service and 520 closed. 117 fuel releases are on record, of which 34 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Whiteside 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 Whiteside, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- GENERAL ELECTRIC/GE CONTROL PDTSMORRISON
- HENRY HOFFMAN LDFLROCK FALLS
- LAWRENCE HARDWARESTERLING
- NORTHWESTERN STEEL AND WIRESTERLING
- RELIANT FASTENER - DIV OF RELIANT INDUSTRIESROCK FALLS
- ROCK FALLS DENATURED ALCOHOL SPILLROCK FALLS