Plaquemines Parish, LA
A PlainEnviro-computed score from reported facility/violation counts, not an official EPA rating, health forecast, or population-adjusted rate. See methodology. This is a different measure than the EJ Screening score for this county, which ranks it by percentile against every other tracked county rather than against fixed national thresholds.
Environmental data for Plaquemines Parish in Louisiana · Population: 23,070
Plaquemines Parish, LA is tracked across three EPA datasets covering 14 Toxics Release Inventory (TRI) facilities, 4 Safe Drinking Water Act systems, and 0 Superfund National Priorities List sites. Together these generate an environmental burden score of 46/100 (Moderate Risk), calibrated against national distributions for facility density, chemical release volume, Superfund concentration, and water-system health violations.
Industrial disclosures inside the county total 39.3M lbs of reported toxic releases under EPCRA Section 313, while 3 water systems carry an active health-based violation in the SDWIS record. No EPA Air Quality System monitors currently report data for this county.
All figures below draw directly from federal EPA records, TRI self-reported emissions, SDWIS compliance history, NPL Hazard Ranking System scores, and AQS daily AQI summaries, and are not adjusted, weighted, or forecast. A past violation or elevated score does not itself indicate current unsafe conditions; it documents the regulatory and disclosure history publicly filed with the U.S. Environmental Protection Agency through the most recent reporting cycle.
Water Systems (4)
| System | Population | Violations |
|---|---|---|
| BELLE CHASSE WATER DISTRICT | 19,644 | 0 |
| PORT SULPHUR WATER DISTRICT | 10,308 | 112 |
| DALCOUR WATERWORKS DISTRICT | 1,248 | 24 |
| POINTE A LA HACHE WATER SYSTEM | 882 | 26 |
TRI Facilities (14)
| # | Facility | Total Releases |
|---|---|---|
| 1 | Chevron Oronite Co LLC - Oak Point Plant | 36.3M lbs |
| 2 | Harvest Louisiana Terminals LLC - Alliance Terminal | 2.8M lbs |
| 3 | C&c Marine & Repair L.L.C. | 156.0K lbs |
| 4 | Cmp Coatings Inc. | 69.5K lbs |
| 5 | Sun Drilling Products Corp | 24.8K lbs |
| 6 | Daybrook Fisheries Inc | 8.2K lbs |
| 7 | Targa Midstream Services - Venice Gas Plant | 1.9K lbs |
| 8 | John W Stone Oil Distributor Venice Fuel Dock | 1.5K lbs |
| 9 | Redguard LLC | 214 lbs |
| 10 | US Navy Naval Air Station Joint Reserve Base New Orleans | 102 lbs |
| 11 | Jotun Paints Inc | 101 lbs |
| 12 | Iws Gas & Supply | 50 lbs |
| 13 | John W Stone Oil Distributors LLC | 2 lbs |
| 14 | Holcim - Plaquemines Lng Plant | 0 lbs |
Cities in Plaquemines Parish (4)
Frequently Asked Questions
What is the environmental risk level in Plaquemines Parish, Louisiana? ▼
Are there Superfund sites in Plaquemines Parish? ▼
How many toxic release facilities are in Plaquemines Parish? ▼
What is the air quality in Plaquemines Parish? ▼
Is the drinking water safe in Plaquemines Parish? ▼
What environmental agencies cover Plaquemines Parish? ▼
What does this county environmental profile show?
This county environmental profile rolls up EPA Toxics Release Inventory facility reports, Safe Drinking Water Information System public-water-system filings, and Superfund National Priorities List sites for the county boundary defined by the U.S. Census Bureau. Facility counts reflect facilities with a reporting address inside the county, not where downstream environmental effects may be observed. Population figures are from the most recent Census ACS 5-year estimate. The county detail page is updated whenever the upstream EPA programs publish revised data; see the methodology page for the documented ingest cadence and the editorial choices governing how aggregations are computed.
Read our methodology - how this data is sourced, computed, and verified.