Monterey Water Quality Report
15 cities ranked · Average grade: C+ · California
Avg Score
68.4
Cities Ranked
15
Health Violations
14
PFAS Detected
7
68.4
County avg score
15
Cities ranked
47%
A or B grade
27%
D or F grade
14
Health violations
7
PFAS detected
Grade Distribution
How Monterey cities scored
A
4
27%
Excellent
B
3
20%
Good
C
4
27%
Fair
D
2
13%
Poor
F
2
13%
Failing
Comparison
County vs California average
▼ 8.1 pts below state average
City Map
Water quality across Monterey
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Monterey
Best cities
County context
2
Superfund sites in Monterey
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Monterey
Industrial polluters nearby
Facilities reporting the most surface-water releases in Monterey, 2023.
Total reported releases to surface water: 0 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
LHOIST NORTH AMERICA NATIVADAD PLANT SALINAS, CA93908 | Lead compounds | 0 |
GRANITE ROCK CO SALINAS CONCRETE SALINAS, CA93901 | Lead | 0 |
U.S. ARMY GARRISON FORT HUNTER LIGGETT RANGES JOLON, CA93928 | — | — |
GRANITE ROCK CO MONTEREY BRANCH BR341 SEASIDE, CA93955 | — | — |
DOLE FRESH VEGETABLES INC SOLEDAD, CA93960 | — | — |
+ 1 more facility
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Monterey
Superfund sites nearby
Federally tracked hazardous-waste sites within Monterey on the EPA National Priorities List.
- CRAZY HORSE SANITARY LANDFILL
- FORT ORD
Source: EPA Superfund National Priorities List
Full Rankings
All 15 cities in Monterey
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Marina | A+ | 96.2 | 38K | 4 | Health | |
| 2 | Dublin | A | 94.7 | 3K | 7 | ||
| 3 | San Ardo | A- | 88.2 | 575 | 15 | Health Unresolved | |
| 4 | Seaside | A- | 87.2 | 3K | 13 | Health Unresolved | |
| 5 | Greenfield | B | 76.5 | 19K | 86 | Health Unresolved | |
| 6 | Monterey | B- | 72.6 | 803 | 28 | Health Unresolved | |
| 7 | Pacific Grove | B- | 72.1 | 98K | 52 | Health PFAS Unresolved | |
| 8 | Soledad | C+ | 69.9 | 29K | 90 | Health Unresolved | |
| 9 | Carmel Valley | C+ | 68 | 504 | 139 | Health Unresolved | |
| 10 | Big Sur | C+ | 65.1 | 2K | 206 | Health Unresolved | |
| 11 | Carmel | C- | 55.1 | 2K | 171 | Health Unresolved | |
| 12 | Castroville | D+ | 50.2 | 8K | 143 | Health Unresolved | |
| 13 | Royal Oaks | D | 45 | 10K | 413 | Health Unresolved | |
| 14 | Gonzales | F | 45 | 8K | 100 | Health Unresolved | |
| 15 | Salinas | F | 40.9 | 64K | 1294 | Health Unresolved |