Phelps County, MO
The federal environmental record for Phelps County (population 45,284): 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
3
TRI facilities
10
open tank releases
Drinking water: PFAS testing
Public water systems serving Phelps 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 |
|---|---|---|
| ST JAMES PWS MO3010712 | PFHxS: 22.5 ng/L PFHxA: 11.9 ng/L PFPeA: 11 ng/L | above final limit |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
3 facilities in Phelps filed TRI reports for 2024, totalling 0 lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| CATALYTIC INNOVATIONS | ROLLA | - | 0 lb |
| ROYAL CANIN USA INC | ROLLA | - | 0 lb |
| CATALYTIC INNOVATIONS - 2020 PLANT | ROLLA | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 118 tank facilities in Phelps: 84 tanks in service and 302 closed. 63 fuel releases are on record, of which 10 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Phelps 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