Calcasieu Parish Water Quality Report
7 cities ranked · Average grade: B- · Louisiana
Avg Score
74.7
Cities Ranked
7
Health Violations
7
PFAS Detected
5
74.7
County avg score
7
Cities ranked
71%
A or B grade
29%
D or F grade
7
Health violations
5
PFAS detected
Grade Distribution
How Calcasieu Parish cities scored
A
2
29%
Excellent
B
3
43%
Good
C
0
0%
Fair
D
0
0%
Poor
F
2
29%
Failing
Comparison
County vs Louisiana average
▲ 9.2 pts above state average
City Map
Water quality across Calcasieu Parish
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Calcasieu Parish
Best cities
Worst cities
County context
61.9%
of residents on fluoridated water (CDC, 2020)
1,627,844
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Calcasieu Parish
Industrial polluters nearby
Facilities reporting the most surface-water releases in Calcasieu Parish, 2023.
Total reported releases to surface water: 1,627,844 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
CITGO PETROLEUM CORP SULPHUR, LA70665 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 996,256 |
PHILLIPS 66 LAKE CHARLES REFINERY WESTLAKE, LA70669 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 441,570 |
LOUISIANA PIGMENT CO LP WESTLAKE, LA70669 | Manganese compounds | 101,379 |
WESTLAKE US 2 LLC WESTLAKE, LA70669 | Ammonia | 36,742 |
W R GRACE & CO-CONN GRACE SULPHUR, LA70665 | Ammonia | 29,720 |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 7 cities in Calcasieu Parish
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Dequincy | A+ | 97.1 | 5K | 5 | Health Unresolved | |
| 2 | Starks | A- | 88.7 | 3K | 18 | Health Unresolved | |
| 3 | Sulphur | B+ | 83.5 | 46K | 44 | Health Unresolved | |
| 4 | Iowa | B+ | 83 | 4K | 15 | Health Unresolved | |
| 5 | Vinton | B+ | 82.3 | 5K | 9 | Health Unresolved | |
| 6 | Westlake | F | 44.2 | 10K | 38 | Health Unresolved | |
| 7 | Lake Charles | F | 43.9 | 120K | 369 | Health Unresolved |