Adams County, IL
The federal environmental record for Adams County (population 64,441): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
1
Superfund NPL sites
4
federal cleanup sites
1
PFAS-detecting water systems
13
TRI facilities
26
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Adams County Quincy Landfills 2&3 | Quincy | on the NPL | 08/30/1990 |
Drinking water: PFAS testing
Public water systems serving Adams 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 |
|---|---|---|
| QUINCY IL0010650 | PFBA: 13.5 ng/L PFBS: 5.7 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
13 facilities in Adams filed TRI reports for 2024, totalling 990k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| QUINCY OILSEEDS COMPLEX | QUINCY | n-Hexane, Nickel compounds | 858k lb |
| THE KNAPHEIDE MANUFACTURING CO | QUINCY | Certain glycol ethers, Nickel | 46k lb |
| TITAN WHEEL CORP OF ILLINOIS | QUINCY | Manganese And Manganese Compounds, Triglycidyl isocyanurate | 25k lb |
| ADM ANIMAL NUTRITION INC | QUINCY | Zinc compounds, Manganese And Manganese Compounds | 23k lb |
| VIBRANTZ MINERALS LLC | QUINCY | Manganese compounds, Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 21k lb |
| MANCHESTER TANK & EQUIPMENT | QUINCY | Manganese And Manganese Compounds | 16k lb |
| SEM MINERALS LP | QUINCY | Zinc compounds, Manganese And Manganese Compounds | 750 lb |
| HUBER ENGINEERED MATERIALS | QUINCY | Zinc compounds | 455 lb |
| PRINCE AGRI PRODUCTS INC | QUINCY | Zinc compounds, Manganese compounds | 323 lb |
| PRINCE AGRI PRODUCTS INC. | QUINCY | Zinc compounds, Manganese And Manganese Compounds | 183 lb |
| HOLLISTER-WHITNEY ELEVATOR | QUINCY | Nickel, Manganese | 87 lb |
| GATESAIR | QUINCY | Copper | 42 lb |
| MIDWEST PATTERNS INC. | QUINCY | Lead, Diisocyanates | 3 lb |
Underground fuel tanks
EPA's UST Finder records 233 tank facilities in Adams: 141 tanks in service and 533 closed. 117 fuel releases are on record, of which 26 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Adams 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 Adams, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- ADAMS COUNTY QUINCY LANDFILLS 2&3QUINCY
- IMPERIAL INDUSTRIESKINGSTON
- MARCELLINE FARM SUPPLYMARCELLINE
- MENDON FARM CENTERMENDON