Peoria County, IL
The federal environmental record for Peoria County (population 177,513): 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
4
PFAS-detecting water systems
13
TRI facilities
92
open tank releases
Drinking water: PFAS testing
Public water systems serving Peoria 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 |
|---|---|---|
| IL AMERICAN-PEORIA IL1435030 | PFBA: 8.8 ng/L PFPeA: 7.5 ng/L PFHxA: 7.4 ng/L | above final limit |
| CHILLICOTHE IL1430200 | 6:2 FTS: 5 ng/L PFPeA: 4.4 ng/L PFHxA: 3.4 ng/L | detected |
| PEORIA HEIGHTS IL1434750 | PFBS: 17 ng/L PFPeS: 8.5 ng/L PFHxA: 7.9 ng/L | detected |
| PLEASANT VALLEY PWD IL1435470 | PFHxS: 14 ng/L PFBS: 11 ng/L PFBA: 5 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
13 facilities in Peoria filed TRI reports for 2024, totalling 188k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| EVONIK CORP | MAPLETON | Zinc compounds, Ammonia | 73k lb |
| ARXADA LLC | MAPLETON | Dimethylamine, Chloromethane | 29k lb |
| KOMATSU AMERICA CORP | PEORIA | Ethylene glycol, Toluene | 24k lb |
| KEYSTONE STEEL & WIRE CO D/B/A LIBERTY STEEL & WIRE PEORIA | BARTONVILLE | Zinc compounds, Manganese compounds | 21k lb |
| CATERPILLAR INC MAPLETON PLANT | MAPLETON | Phenol, Diisocyanates | 18k lb |
| BIOURJA RENEWABLES LLC | PEORIA | n-Hexane, Methanol | 16k lb |
| AZZ GALVANIZING SERVICES-PEORIA | PEORIA | Zinc compounds, Lead | 7k lb |
| INGREDION | MAPLETON | Nickel | 161 lb |
| CAST TECHNOLOGIES INC | PEORIA | Copper, Lead | 98 lb |
| TMS INTERNATIONAL LLC | PEORIA | Manganese And Manganese Compounds, Lead And Lead Compounds | 7 lb |
| US DOD USAF PEORIA IL ANG | PEORIA | Xylene (mixed isomers), Naphthalene | 2 lb |
| VCNA PRAIRIE LLC - YARD 1028 | PEORIA | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Lead | 0 lb |
| CHILLICOTHE METAL CO INC | CHILLICOTHE | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 533 tank facilities in Peoria: 341 tanks in service and 1,223 closed. 320 fuel releases are on record, of which 92 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Peoria 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 Peoria, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- 182ND AIRLIFT WING IL AIR NATLPEORIA
- ALLIED IRON & STEELPEORIA
- ALTER METAL RECYCLINGPEORIA
- AZZ GALVANIZING PEORIAPEORIA
- BEMIS CO INCPEORIA
- TRAILS ILLINOIS INDUSTRIAL PLATINGPEORIA