St. James Parish Water Quality Report
3 cities ranked · Average grade: B · Louisiana
Avg Score
78.5
Cities Ranked
3
Health Violations
3
PFAS Detected
3
78.5
County avg score
3
Cities ranked
100%
A or B grade
0%
D or F grade
3
Health violations
3
PFAS detected
Grade Distribution
How St. James Parish cities scored
A
0
0%
Excellent
B
3
100%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Louisiana average
▲ 13.0 pts above state average
City Map
Water quality across St. James Parish
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in St. James Parish
Best cities
Worst cities
County context
0.0%
of residents on fluoridated water (CDC, 2020)
56,343
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in St. James Parish
Industrial polluters nearby
Facilities reporting the most surface-water releases in St. James Parish, 2023.
Total reported releases to surface water: 56,343 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
MOSAIC PHOSPHATES CO FAUSTINA PLANT SAINT JAMES, LA70086 | Ammonia | 44,392 |
ATLANTIC ALUMINA GRAMERCY OPERATIONS GRAMERCY, LA70052 | Zinc compounds | 8,739 |
MOSAIC FERTILIZER LLC UNCLE SAM PLANT UNCLE SAM, LA70792 | Hydrogen sulfide | 2,803 |
OCCIDENTAL CHEMICAL HOLDING CORP CONVENT, LA70723 | Lead And Lead Compounds | 344 |
CONVENT REFINERY CONVENT, LA70723 | Toluene | 51 |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings