Mendocino Water Quality Report
8 cities ranked · Average grade: B- · California
Avg Score
72.1
Cities Ranked
8
Health Violations
8
PFAS Detected
1
72.1
County avg score
8
Cities ranked
50%
A or B grade
13%
D or F grade
8
Health violations
1
PFAS detected
Grade Distribution
How Mendocino cities scored
A
2
25%
Excellent
B
2
25%
Good
C
3
38%
Fair
D
1
13%
Poor
F
0
0%
Failing
Comparison
County vs California average
▼ 4.4 pts below state average
City Map
Water quality across Mendocino
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Mendocino
Best cities
Worst cities
County context
1
Superfund site in Mendocino
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Mendocino
Industrial polluters nearby
Facilities reporting the most surface-water releases in Mendocino, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
MENDOCINO FOREST PRODUCTS CO. LLC UKIAH, CA95482 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Mendocino
Superfund sites nearby
Federally tracked hazardous-waste sites within Mendocino on the EPA National Priorities List.
- COAST WOOD PRESERVING
Source: EPA Superfund National Priorities List
Full Rankings
All 8 cities in Mendocino
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Gualala | A+ | 95.4 | 3K | 6 | Health | |
| 2 | Laytonville | A | 94.8 | 1K | 18 | Health | |
| 3 | Fort Bragg | B | 79.1 | 8K | 42 | Health Unresolved | |
| 4 | Talmage | B- | 71 | 3K | 22 | Health Unresolved | |
| 5 | Ukiah | C+ | 67.8 | 33K | 69 | Health PFAS Unresolved | |
| 6 | Redwood Valley | C | 64.1 | 1K | 76 | Health Unresolved | |
| 7 | Willits | C- | 56.6 | 10K | 244 | Health Unresolved | |
| 8 | Point Arena | D | 48.2 | 1K | 321 | Health Unresolved |