Harrison Water Quality Report
6 cities ranked · Average grade: C+ · Mississippi
Avg Score
68.5
Cities Ranked
6
Health Violations
6
PFAS Detected
4
68.5
County avg score
6
Cities ranked
50%
A or B grade
33%
D or F grade
6
Health violations
4
PFAS detected
Grade Distribution
How Harrison cities scored
A
1
17%
Excellent
B
2
33%
Good
C
1
17%
Fair
D
2
33%
Poor
F
0
0%
Failing
Comparison
County vs Mississippi average
▼ 0.2 pts below state average
City Map
Water quality across Harrison
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Harrison
County context
1
Superfund site in Harrison
7.9%
of residents on fluoridated water (CDC, 2020)
1,174
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Harrison
Industrial polluters nearby
Facilities reporting the most surface-water releases in Harrison, 2023.
Total reported releases to surface water: 1,174 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
CHEMOURS DELISLE PLANT PASS CHRISTIAN, MS39571 | Vanadium compounds | 1,173 |
MMC MATERIALS GULF COAST LLC - GULFPORT GULFPORT, MS39503 | Lead | 0 |
GULF STATES READY-MIX PLANT 10 GULFPORT, MS39503 | Lead | 0 |
CRH AMERICAS INC GULFPORT, MS39503 | Lead | 0 |
GULF SHIP LLC GULFPORT, MS39503 | — | — |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Harrison
Superfund sites nearby
Federally tracked hazardous-waste sites within Harrison on the EPA National Priorities List.
- CHEMFAX INC
Source: EPA Superfund National Priorities List
Full Rankings
All 6 cities in Harrison
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Long Beach | A- | 86.2 | 19K | 194 | Health Unresolved | |
| 2 | Saucier | B+ | 82.6 | 2K | 144 | Health Unresolved | |
| 3 | Pass Christian | B | 75.2 | 13K | 275 | Health Unresolved | |
| 4 | D'Iberville | C+ | 65.4 | 13K | 380 | Health Unresolved | |
| 5 | Gulfport | D+ | 52 | 84K | 868 | Health Unresolved | |
| 6 | Biloxi | D | 49.9 | 47K | 1278 | Health PFAS Unresolved |