Plaquemines Parish Water Quality Report
1 cities ranked · Average grade: F · Louisiana
Avg Score
43
Cities Ranked
1
Health Violations
1
PFAS Detected
1
43
County avg score
1
Cities ranked
0%
A or B grade
100%
D or F grade
1
Health violations
1
PFAS detected
Grade Distribution
How Plaquemines Parish cities scored
A
0
0%
Excellent
B
0
0%
Good
C
0
0%
Fair
D
0
0%
Poor
F
1
100%
Failing
Comparison
County vs Louisiana average
▼ 22.5 pts below state average
City Map
Water quality across Plaquemines Parish
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Plaquemines Parish
Best cities
Worst cities
County context
100.0%
of residents on fluoridated water (CDC, 2020)
20,969
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Plaquemines Parish
Industrial polluters nearby
Facilities reporting the most surface-water releases in Plaquemines Parish, 2023.
Total reported releases to surface water: 20,969 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
HARVEST LOUISIANA TERMINALS LLC - ALLIANCE TERMINAL BELLE CHASSE, LA70037 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 18,513 |
CHEVRON ORONITE CO LLC - OAK POINT PLANT BELLE CHASSE, LA70037 | Methanol | 2,456 |
CMP COATINGS INC. BELLE CHASSE, LA70037 | — | — |
IWS GAS & SUPPLY BELLE CHASSE, LA70037 | — | — |
C&C MARINE & REPAIR L.L.C. BELLE CHASSE, LA70037 | — | — |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 1 cities in Plaquemines Parish
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Belle Chasse | F | 43 | 32K | 166 | Health PFAS Unresolved |