Mariposa Water Quality Report
2 cities ranked · Average grade: C+ · California
Avg Score
67.7
Cities Ranked
2
Health Violations
2
PFAS Detected
1
67.7
County avg score
2
Cities ranked
50%
A or B grade
0%
D or F grade
2
Health violations
1
PFAS detected
Grade Distribution
How Mariposa cities scored
A
0
0%
Excellent
B
1
50%
Good
C
1
50%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs California average
▼ 8.8 pts below state average
City Map
Water quality across Mariposa
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Mariposa
Best cities
Worst cities
Full Rankings
All 2 cities in Mariposa
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Yosemite Np | B- | 71.2 | 2K | 33 | Health Unresolved | |
| 2 | Mariposa | C | 64.2 | 4K | 112 | Health Unresolved |