Jefferson Parish, LA
The federal environmental record for Jefferson Parish (population 421,777): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
5
federal cleanup sites
3
PFAS-detecting water systems
14
TRI facilities
19
open tank releases
Drinking water: PFAS testing
Public water systems serving Jefferson 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 |
|---|---|---|
| E JEFFERSON WW DISTRICT 1 LA1051001 | PFBA: 6.6 ng/L | detected |
| GRETNA WATERWORKS LA1051003 | PFBA: 5.1 ng/L | detected |
| W JEFFERSON WW DISTRICT 2 LA1051004 | PFBA: 6.5 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
14 facilities in Jefferson filed TRI reports for 2024, totalling 12.6M lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| CORNERSTONE CHEMICAL CO LLC | WESTWEGO | Acetonitrile, Ammonia | 11.3M lb |
| ROEHM AMERICA LLC | WESTWEGO | Ammonia, Methanol | 913k lb |
| CF INDUSTRIES EAST POINT LLC | WAGGAMAN | Methanol, Ammonia | 223k lb |
| NINEMILE POINT PLANT | WESTWEGO | Ammonia | 120k lb |
| BOLLINGER QUICK REPAIR LLC | HARVEY | Propylene | 13k lb |
| FMT SHIPYARD & REPAIR LLC | HARVEY | Xylene (mixed isomers), Manganese | 11k lb |
| SHELL KENNER TERMINAL | KENNER | Xylene (mixed isomers), Ethylene | 5k lb |
| VERTEX REFINING LA LLC | MARRERO | Hydrogen sulfide, Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 4k lb |
| JOHN W STONE OIL DISTRIBUTOR | GRETNA | Toluene, Xylene (mixed isomers) | 402 lb |
| HUNTING ENERGY SERVICES INC | MARRERO | Manganese | 2 lb |
| QUIKRETE - NEW ORLEANS LA PLANT | NEW ORLEANS | Lead | 1 lb |
| GOLD BOND BUILDING PRODUCTS - WESTWEGO | WESTWEGO | Lead And Lead Compounds, Mercury And Mercury Compounds | 0 lb |
| WECHEM INC | HARAHAN | - | 0 lb |
| HOLCIM - SOR INC. - AIRLINE RMX | METAIRIE | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 962 tank facilities in Jefferson: 580 tanks in service and 2,229 closed. 486 fuel releases are on record, of which 19 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Jefferson 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 Jefferson, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- GREIF USA (DBA GREIF HARVEY DCS HARVEY)HARVEY
- GRETNA PLATING & POLISHINGGRETNA
- US ARMY CORPS OF ENGINEERS - 17TH ST. CANALMETAIRIE
- WESTBANK ASBESTOSMARRERO
- ZONOLITE/W.R. GRACEMETAIRIE