Audrain County, MO
The federal environmental record for Audrain County (population 24,394): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
0
federal cleanup sites
1
PFAS-detecting water systems
5
TRI facilities
1
open tank releases
Drinking water: PFAS testing
Public water systems serving Audrain 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 |
|---|---|---|
| MONROE COUNTY PWSD 2 MO2024402 | PFBA: 8.8 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
5 facilities in Audrain filed TRI reports for 2024, totalling 427k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| ADM SOYBEAN PROCESSING PLANT | MEXICO | n-Hexane, Methanol | 412k lb |
| POET BIOREFINING - LADDONIA LLC | LADDONIA | Acetaldehyde, Formic acid | 10k lb |
| CERRO FLOW PRODUCTS LLC | MEXICO | Copper compounds, Lead | 5k lb |
| SPARTAN LIGHT METAL PRODUCTS LLC | MEXICO | Copper, Nickel | 36 lb |
| TRUE MANUFACTURING CO INC | MEXICO | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 95 tank facilities in Audrain: 42 tanks in service and 226 closed. 41 fuel releases are on record, of which 1 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Audrain as Zone 2, moderate predicted indoor radon (2 to 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 - $39