Lafourche Parish Water Quality Report
2 cities ranked · Average grade: A · Louisiana
Avg Score
92.2
Cities Ranked
2
Health Violations
2
PFAS Detected
2
92.2
County avg score
2
Cities ranked
100%
A or B grade
0%
D or F grade
2
Health violations
2
PFAS detected
Grade Distribution
How Lafourche Parish cities scored
A
2
100%
Excellent
B
0
0%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Louisiana average
▲ 26.7 pts above state average
City Map
Water quality across Lafourche Parish
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Lafourche Parish
Best cities
Worst cities
County context
100.0%
of residents on fluoridated water (CDC, 2020)
509
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Lafourche Parish
Industrial polluters nearby
Facilities reporting the most surface-water releases in Lafourche Parish, 2023.
Total reported releases to surface water: 509 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
BOLLINGER SHIPYARDS LOCKPORT LLC LOCKPORT, LA70374 | Copper | 434 |
BOLLINGER FOURCHON NORTH GOLDEN MEADOW, LA70357 | Copper compounds | 75 |
JOHN DEERE THIBODAUX THIBODAUX, LA70301 | — | — |
LEBEOUF BROS TOWING LLC DBA BOURG DRY DOCK & SERVICE BOURG, LA70343 | — | — |
C-PORT 2 LLC GOLDEN MEADOW, LA70357 | — | — |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings