Houston Water Quality Report
2 cities ranked · Average grade: A- · Tennessee
Avg Score
87.1
Cities Ranked
2
Health Violations
1
PFAS Detected
1
87.1
County avg score
2
Cities ranked
100%
A or B grade
0%
D or F grade
1
Health violations
1
PFAS detected
Grade Distribution
How Houston cities scored
A
1
50%
Excellent
B
1
50%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Tennessee average
▲ 4.3 pts above state average
City Map
Water quality across Houston
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Houston
Best cities
Worst cities
County context
67.2%
of residents on fluoridated water (CDC, 2020)
Full Rankings
All 2 cities in Houston
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Tennessee Ridge | A | 92 | 4K | 5 | Unresolved | |
| 2 | Erin | B+ | 82.2 | 8K | 69 | Health Unresolved |