San Francisco Water Quality Report
2 cities ranked · Average grade: C+ · California
Avg Score
65.1
Cities Ranked
2
Health Violations
2
PFAS Detected
1
65.1
County avg score
2
Cities ranked
50%
A or B grade
50%
D or F grade
2
Health violations
1
PFAS detected
Grade Distribution
How San Francisco cities scored
A
1
50%
Excellent
B
0
0%
Good
C
0
0%
Fair
D
0
0%
Poor
F
1
50%
Failing
Comparison
County vs California average
▼ 11.4 pts below state average
City Map
Water quality across San Francisco
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in San Francisco
Best cities
Worst cities
County context
3
Superfund sites in San Francisco
631
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in San Francisco
Industrial polluters nearby
Facilities reporting the most surface-water releases in San Francisco, 2023.
Total reported releases to surface water: 631 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
TESLA INC FREMONT, CA94538 | Zinc compounds | 560 |
PCC STRUCTURALS-SAN LEANDRO SAN LEANDRO, CA94577 | Nickel | 45 |
TESLA INC. FREMONT, CA94538 | Nickel And Nickel Compounds | 23 |
ROHM & HAAS CHEMICALS LLC HAYWARD, CA94545 | Zinc compounds | 3 |
SAFETY-KLEEN INC NEWARK, CA94560 | Zinc compounds | 0 |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in San Francisco
Superfund sites nearby
Federally tracked hazardous-waste sites within San Francisco on the EPA National Priorities List.
- ALAMEDA NAVAL AIR STATION
- AMCO CHEMICAL
- LAWRENCE LIVERMORE NATL LAB MAIN SITE USDOE
Source: EPA Superfund National Priorities List
Full Rankings
All 2 cities in San Francisco
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Burlingame | A- | 89.2 | 885K | 19 | Health Unresolved | |
| 2 | San Francisco | F | 41 | 4K | 348 | Health Unresolved |