Orleans Parish Water Quality Report
1 cities ranked · Average grade: F · Louisiana
Avg Score
34.1
Cities Ranked
1
Health Violations
1
PFAS Detected
1
34.1
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 Orleans 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
▼ 31.4 pts below state average
City Map
Water quality across Orleans Parish
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Orleans Parish
Best cities
Worst cities
County context
0.0%
of residents on fluoridated water (CDC, 2020)
119
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Orleans Parish
Industrial polluters nearby
Facilities reporting the most surface-water releases in Orleans Parish, 2023.
Total reported releases to surface water: 119 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
HALLIBURTON LAFAYETTE MANUFACTURING LAFAYETTE, LA70507 | Manganese | 119 |
NEW DAIRY LOUISIANA LLC LAFAYETTE, LA70506 | — | — |
BALMAR LLC LAFAYETTE, LA70507 | — | — |
EVONIK CORP LAFAYETTE, LA70508 | — | — |
BODYCOTE THERMAL PROCESSING INC. - LAFAYETTE LAFAYETTE, LA70508 | — | — |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 1 cities in Orleans Parish
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | New Orleans | F | 34.1 | 388K | 83 | Health PFAS Unresolved |