Lafayette County, MS
The federal environmental record for Lafayette County (population 58,467): 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
2
PFAS-detecting water systems
3
TRI facilities
23
open tank releases
Drinking water: PFAS testing
Public water systems serving Lafayette 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 |
|---|---|---|
| CITY OF OXFORD MS0360011 | PFOS: 72.2 ng/L PFPeA: 24.5 ng/L 6:2 FTS: 22.9 ng/L | above final limit |
| UNIVERSITY OF MISSISSIPPI MS0360015 | PFPeA: 11.4 ng/L PFBA: 8.2 ng/L PFHxA: 7.8 ng/L | above final limit |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
3 facilities in Lafayette filed TRI reports for 2024, totalling 19k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| OLIN WINCHESTER LLC | OXFORD | Copper, Lead And Lead Compounds | 19k lb |
| SMW MANUFACTURING | OXFORD | Manganese, Copper | 42 lb |
| MMC MATERIALS INC - OXFORD | OXFORD | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Lead | 25 lb |
Underground fuel tanks
EPA's UST Finder records 123 tank facilities in Lafayette: 109 tanks in service and 253 closed. 35 fuel releases are on record, of which 23 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Lafayette as Zone 3, the lowest predicted indoor radon (under 2 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