Grundy County, IL
The federal environmental record for Grundy County (population 53,578): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
3
federal cleanup sites
1
PFAS-detecting water systems
9
TRI facilities
28
open tank releases
Drinking water: PFAS testing
Public water systems serving Grundy 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 |
|---|---|---|
| MINOOKA IL0630550 | PFBS: 4 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
9 facilities in Grundy filed TRI reports for 2024, totalling 556k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| EQUISTAR CHEMICALS LP | MORRIS | Ethylene, Propylene | 333k lb |
| NOURYON SURFACE CHEMISTRY LLC | MORRIS | Ammonia, Chloromethane | 141k lb |
| H.B. FULLER CO | MORRIS | Ethylene, Vinyl acetate | 50k lb |
| POLYNT COMPOSITES USA INC. | MORRIS | Styrene, Phthalic anhydride | 16k lb |
| AUX SABLE LIQUID PRODUCTS INC | MORRIS | n-Hexane, Cyclohexane | 13k lb |
| SPONGE CUSHION INC | MORRIS | Thiram, Zinc compounds | 3k lb |
| COSTCO MORRIS MEAT PLANT #1239 | MORRIS | Ammonia | 10 lb |
| TRI STATE ASPHALT LLC | MORRIS | Polycyclic aromatic compounds | 0 lb |
| OLDCASTLE APG - MORRIS | MORRIS | Lead And Lead Compounds, Mercury And Mercury Compounds | 0 lb |
Underground fuel tanks
EPA's UST Finder records 143 tank facilities in Grundy: 122 tanks in service and 297 closed. 96 fuel releases are on record, of which 28 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Grundy 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 Grundy, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- FEDERAL PAPERBOARD COMPANYMORRIS
- GREEN A P REFRACTORIES MORRIS PLANTMORRIS
- MORRIS LITHIUM BATTERY FIREMORRIS