Jefferson Davis Parish Water Quality Report
4 cities ranked · Average grade: B+ · Louisiana
Avg Score
84.9
Cities Ranked
4
Health Violations
4
PFAS Detected
3
84.9
County avg score
4
Cities ranked
100%
A or B grade
0%
D or F grade
4
Health violations
3
PFAS detected
Grade Distribution
How Jefferson Davis Parish cities scored
A
3
75%
Excellent
B
1
25%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Louisiana average
▲ 19.4 pts above state average
City Map
Water quality across Jefferson Davis Parish
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Jefferson Davis Parish
Best cities
Worst cities
County context
1
Superfund site in Jefferson Davis Parish
3.4%
of residents on fluoridated water (CDC, 2020)
621
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Jefferson Davis Parish
Industrial polluters nearby
Facilities reporting the most surface-water releases in Jefferson Davis Parish, 2023.
Total reported releases to surface water: 621 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
METALPLATE GALVANIZING L.P. ROANOKE, LA70581 | Zinc compounds | 621 |
JENNINGS BULK PLANT JENNINGS, LA70546 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Jefferson Davis Parish
Superfund sites nearby
Federally tracked hazardous-waste sites within Jefferson Davis Parish on the EPA National Priorities List.
- SBA SHIPYARD
Source: EPA Superfund National Priorities List
Full Rankings
All 4 cities in Jefferson Davis Parish
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Welsh | A- | 88.5 | 10K | 11 | Health Unresolved | |
| 2 | Elton | A- | 85.3 | 2K | 30 | Health Unresolved | |
| 3 | Lake Arthur | A- | 85 | 12K | 16 | Health Unresolved | |
| 4 | Jennings | B+ | 80.7 | 14K | 16 | Health Unresolved |