San Patricio Water Quality Report
9 cities ranked · Average grade: C · Texas
Avg Score
64.3
Cities Ranked
9
Health Violations
8
PFAS Detected
6
64.3
County avg score
9
Cities ranked
44%
A or B grade
33%
D or F grade
8
Health violations
6
PFAS detected
Grade Distribution
How San Patricio cities scored
A
0
0%
Excellent
B
4
44%
Good
C
2
22%
Fair
D
2
22%
Poor
F
1
11%
Failing
Comparison
County vs Texas average
▼ 3.2 pts below state average
City Map
Water quality across San Patricio
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in San Patricio
Best cities
Worst cities
County context
1
Superfund site in San Patricio
92.7%
of residents on fluoridated water (CDC, 2020)
74,778
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in San Patricio
Industrial polluters nearby
Facilities reporting the most surface-water releases in San Patricio, 2023.
Total reported releases to surface water: 74,778 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
GULF COAST GROWTH VENTURES LLC GREGORY, TX78359 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 73,285 |
STEEL DYNAMICS SOUTHWEST SINTON DIV SINTON, TX78387 | Zinc compounds | 941 |
ARCELORMITTAL TEXAS HBI LLC PORTLAND, TX78374 | Manganese | 259 |
OCCIDENTAL CHEMICAL CORP GREGORY, TX78359 | Copper And Copper Compounds | 222 |
KIEWIT OFFSHORE SERVICES LTD INGLESIDE, TX78362 | Manganese | 68 |
+ 4 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in San Patricio
Superfund sites nearby
Federally tracked hazardous-waste sites within San Patricio on the EPA National Priorities List.
- FALCON REFINERY
Source: EPA Superfund National Priorities List
Full Rankings
All 9 cities in San Patricio
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Edroy | B+ | 82.8 | 540 | 62 | Unresolved | |
| 2 | Portland | B+ | 80.5 | 23K | 6 | Health Unresolved | |
| 3 | Gregory | B | 77.9 | 2K | 31 | Health Unresolved | |
| 4 | Aransas Pass | B | 77 | 8K | 33 | Health Unresolved | |
| 5 | Sinton | C- | 59.5 | 6K | 89 | Health Unresolved | |
| 6 | Taft | C- | 58.8 | 10K | 34 | Health Unresolved | |
| 7 | Ingleside | D+ | 50.9 | 11K | 66 | Health Unresolved | |
| 8 | Mathis | D | 47.2 | 5K | 56 | Health Unresolved | |
| 9 | Odem | F | 44 | 3K | 63 | Health Unresolved |