Yolo Water Quality Report
6 cities ranked · Average grade: B- · California
Avg Score
74.1
Cities Ranked
6
Health Violations
6
PFAS Detected
3
74.1
County avg score
6
Cities ranked
67%
A or B grade
33%
D or F grade
6
Health violations
3
PFAS detected
Grade Distribution
How Yolo cities scored
A
2
33%
Excellent
B
2
33%
Good
C
0
0%
Fair
D
1
17%
Poor
F
1
17%
Failing
Comparison
County vs California average
▼ 2.4 pts below state average
City Map
Water quality across Yolo
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Yolo
Worst cities
County context
1
Superfund site in Yolo
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Yolo
Industrial polluters nearby
Facilities reporting the most surface-water releases in Yolo, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
NOR-CAL BEVERAGE CO INC WEST SACRAMENTO, CA95691 | — | — |
TRUCK ACCESSORIES GROUP DBA TAG WEST WOODLAND, CA95776 | — | — |
WOODLAND PLANT WOODLAND, CA95695 | — | — |
WOODLAND WOOD PRESERVERS LTD. WOODLAND, CA95776 | — | — |
CEMEX CONSTRUCTION MATERIALS PACIFIC LLC WEST SACRAMENTO, CA95691 | — | — |
+ 3 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Yolo
Superfund sites nearby
Federally tracked hazardous-waste sites within Yolo on the EPA National Priorities List.
- FRONTIER FERTILIZER
Source: EPA Superfund National Priorities List
Full Rankings
All 6 cities in Yolo
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Winters | A+ | 95.5 | 7K | 7 | Health Unresolved | |
| 2 | Esparto | A | 90.7 | 4K | 8 | Health Unresolved | |
| 3 | West Sacramento | B+ | 82 | 53K | 3 | Health Unresolved | |
| 4 | Davis | B+ | 80.7 | 117K | 64 | Health Unresolved | |
| 5 | Madison | D+ | 52 | 876 | 153 | Health Unresolved | |
| 6 | Woodland | F | 43.6 | 65K | 283 | Health Unresolved |