Richland Parish, LA
The federal environmental record for Richland Parish (population 19,712): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
2
federal cleanup sites
1
PFAS-detecting water systems
1
TRI facilities
8
open tank releases
Drinking water: PFAS testing
Public water systems serving Richland 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 |
|---|---|---|
| RAYVILLE WATER SYSTEM LA1083006 | PFHxS: 3.4 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
1 facilities in Richland filed TRI reports for 2024, totalling 2k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| HYDRO EXTRUSION USA LLC | DELHI | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Nitric acid | 2k lb |
Underground fuel tanks
EPA's UST Finder records 119 tank facilities in Richland: 63 tanks in service and 257 closed. 36 fuel releases are on record, of which 8 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Richland 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 - $39All federal cleanup sites on file
The wider Superfund enterprise inventory (SEMS) for Richland, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- ANR PIPELINE-DELHIDELHI
- SUN OIL CO - DELHI GASOLINE PLANTDELHI