Macon County, IL
The federal environmental record for Macon County (population 100,591): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
9
federal cleanup sites
1
PFAS-detecting water systems
12
TRI facilities
62
open tank releases
Drinking water: PFAS testing
Public water systems serving Macon 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 |
|---|---|---|
| MOUNT ZION IL1150350 | PFPeA: 3.4 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
12 facilities in Macon filed TRI reports for 2024, totalling 3.9M lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| ADM DECATUR COMPLEX | DECATUR | n-Hexane, Ammonia | 2.7M lb |
| MUELLER - NORTH FOUNDRY | DECATUR | Copper, Zinc (fume or dust) | 712k lb |
| MUELLER CO. PLANT #4 (SOUTH FOUNDRY) | DECATUR | Copper, Lead | 252k lb |
| PRIMARY PRODUCTS INGREDIENTS AMERICAS LLC - DECATUR | DECATUR | Acetaldehyde, Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 141k lb |
| CATERPILLAR INC. DECATUR FAC. | DECATUR | Manganese, Ethylene glycol | 40k lb |
| DECATUR FOUNDRY INC | DECATUR | Naphthalene, Lead | 2k lb |
| VOESTALPINE RAILWAY SYSTEMS NORTRAK LLC | DECATUR | Manganese, Lead | 227 lb |
| MUELLER CO-PLANT #1 | DECATUR | Copper | 2 lb |
| INTERNATIONAL CONTROL SERVICES INC. | DECATUR | - | 0 lb |
| ADM MECHANICAL | DECATUR | - | 0 lb |
| TILLAMOOK ILLINOIS LLC | DECATUR | - | 0 lb |
| VCNA PRAIRIE LLC - YARD 1025 | DECATUR | Lead | 0 lb |
Underground fuel tanks
EPA's UST Finder records 354 tank facilities in Macon: 209 tanks in service and 803 closed. 307 fuel releases are on record, of which 62 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Macon 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 Macon, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- BRIDGESTONE/FIRESTONE NORTH AMERICA TIRE LLCDECATUR
- INTERMET/WAGNER CASTINGS SITEDECATUR
- MACON COUNTY #2DECATUR
- MIDLAND MACHINEDECATUR
- MT. ZION MERCURY SITEMT. ZION
- PRIMARY PRODUCTS INGREDIENTS AMERICAS LLC - DECATURDECATUR
- RHODES LANDFILLDECATUR
- RUEBEN MURRELLDECATUR
- WASTE CONTROLDECATUR