Calhoun Water Quality Report
4 cities ranked · Average grade: C- · Texas
Avg Score
58
Cities Ranked
4
Health Violations
4
PFAS Detected
1
58
County avg score
4
Cities ranked
50%
A or B grade
50%
D or F grade
4
Health violations
1
PFAS detected
Grade Distribution
How Calhoun cities scored
A
0
0%
Excellent
B
2
50%
Good
C
0
0%
Fair
D
1
25%
Poor
F
1
25%
Failing
Comparison
County vs Texas average
▼ 9.5 pts below state average
City Map
Water quality across Calhoun
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Calhoun
Worst cities
County context
1
Superfund site in Calhoun
91.2%
of residents on fluoridated water (CDC, 2020)
50,168
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Calhoun
Industrial polluters nearby
Facilities reporting the most surface-water releases in Calhoun, 2023.
Total reported releases to surface water: 50,168 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
UNION CARBIDE CORP SEADRIFT PLANT SEADRIFT, TX77983 | Ammonia | 37,385 |
FORMOSA PLASTICS CORP TEXAS POINT COMFORT, TX77978 | Ammonia | 10,376 |
INEOS NITRILES USA LLC GREEN LAKE PLANT PORT LAVACA, TX77979 | Chlorine | 2,401 |
SEADRIFT COKE LP PORT LAVACA, TX77979 | Toluene | 5 |
ALCOA WORLD ALUMINA LLC POINT COMFORT, TX77978 | Lead And Lead Compounds | 0 |
+ 3 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Calhoun
Superfund sites nearby
Federally tracked hazardous-waste sites within Calhoun on the EPA National Priorities List.
- ALCOA POINT COMFORT LAVACA BAY
Source: EPA Superfund National Priorities List
Full Rankings
All 4 cities in Calhoun
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Seadrift | B | 77.9 | 2K | 30 | Health Unresolved | |
| 2 | Point Comfort | B- | 71.6 | 759 | 38 | Health Unresolved | |
| 3 | Port O Connor | D | 47 | 2K | 390 | Health Unresolved | |
| 4 | Port Lavaca | F | 35.5 | 12K | 162 | Health PFAS Unresolved |