Monroe County, MO
The federal environmental record for Monroe County (population 8,698): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
1
federal cleanup sites
2
PFAS-detecting water systems
1
TRI facilities
0
open tank releases
Drinking water: PFAS testing
Public water systems serving Monroe 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 CITY PWS, MO MO2010538 | PFBA: 5.4 ng/L | detected |
| 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)
1 facilities in Monroe filed TRI reports for 2024, totalling 16 lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| LAKESIDE CASTING SOLUTIONS | MONROE CITY | Zinc (fume or dust), Aluminum (fume or dust) | 16 lb |
Underground fuel tanks
EPA's UST Finder records 27 tank facilities in Monroe: 18 tanks in service and 57 closed. 15 fuel releases are on record, of which 0 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Monroe 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 - $39All federal cleanup sites on file
The wider Superfund enterprise inventory (SEMS) for Monroe, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- CARMAN CHEMICAL (RESIDENTIAL)PARIS