Fresno Water Quality Report
25 cities ranked · Average grade: B- · California
Avg Score
73.4
Cities Ranked
25
Health Violations
24
PFAS Detected
8
73.4
County avg score
25
Cities ranked
72%
A or B grade
20%
D or F grade
24
Health violations
8
PFAS detected
Grade Distribution
How Fresno cities scored
A
8
32%
Excellent
B
10
40%
Good
C
2
8%
Fair
D
2
8%
Poor
F
3
12%
Failing
Comparison
County vs California average
▼ 3.1 pts below state average
City Map
Water quality across Fresno
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Fresno
Best cities
Worst cities
County context
5
Superfund sites in Fresno
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Fresno
Industrial polluters nearby
Facilities reporting the most surface-water releases in Fresno, 2023.
Total reported releases to surface water: 0 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
BASALITE CONCRETE PRODUCTS SELMA, CA93662 | Lead | 0 |
ACTAGRO LLC BIOLA, CA93606 | — | — |
NUTRIAG USA LTD BIOLA, CA93606 | — | — |
VALLEY CHROME PLATING INC. CLOVIS, CA93612 | — | — |
ANLIN INDUSTRIES CLOVIS, CA93611 | — | — |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Fresno
Superfund sites nearby
Federally tracked hazardous-waste sites within Fresno on the EPA National Priorities List.
- ATLAS ASBESTOS MINE
- FRESNO MUNICIPAL SANITARY LANDFILL
- INDUSTRIAL WASTE PROCESSING
- PURITY OIL SALES INC
- SELMA PRESSURE TREATING COMPANY
Source: EPA Superfund National Priorities List
Full Rankings
All 25 cities in Fresno
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Del Rey | A+ | 96.3 | 1K | 10 | Health | |
| 2 | Biola | A | 91.8 | 2K | 28 | Health Unresolved | |
| 3 | San Joaquin | A | 91 | 4K | 20 | Health Unresolved | |
| 4 | Mendota | A | 90.2 | 11K | 14 | Health Unresolved | |
| 5 | Fowler | A | 90.1 | 7K | 20 | Health Unresolved | |
| 6 | Pinedale | A- | 86.6 | 17K | 16 | Health PFAS Unresolved | |
| 7 | Friant | A- | 85.9 | 1K | 31 | Health Unresolved | |
| 8 | Parlier | A- | 85.4 | 15K | 17 | Health Unresolved | |
| 9 | Orange Cove | B+ | 84.3 | 10K | 16 | Health Unresolved | |
| 10 | Riverdale | B+ | 81.8 | 3K | 107 | Health Unresolved | |
| 11 | Shaver Lake | B+ | 81.6 | 850 | 15 | Unresolved | |
| 12 | Hume | B+ | 80.3 | 2K | 4 | Health Unresolved | |
| 13 | Tranquillity | B | 79.1 | 807 | 50 | Health Unresolved | |
| 14 | Kingsburg | B | 78 | 14K | 78 | Health Unresolved | |
| 15 | Kerman | B | 77.3 | 17K | 36 | Health Unresolved | |
| 16 | Huron | B- | 74.5 | 9K | 79 | Health Unresolved | |
| 17 | Reedley | B- | 73.4 | 27K | 46 | Health Unresolved | |
| 18 | Caruthers | B- | 71.8 | 3K | 102 | Health Unresolved | |
| 19 | Laton | C+ | 68.4 | 1K | 61 | Health PFAS Unresolved | |
| 20 | Sanger | C | 60.1 | 27K | 83 | Health PFAS Unresolved | |
| 21 | Firebaugh | D | 49.1 | 9K | 165 | Health Unresolved | |
| 22 | Coalinga | D | 46.2 | 18K | 379 | Health Unresolved | |
| 23 | Three Rivers | F | 43.5 | 11K | 348 | Health Unresolved | |
| 24 | Clovis | F | 34.7 | 132K | 332 | Health PFAS Unresolved | |
| 25 | Fresno | F | 33.2 | 625K | 1141 | Health PFAS Unresolved |