Yolo County, California
13 active water systems in this county.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Hay Kingdom | 27 | Groundwater | 13 | 13 |
| Mariani Nut Company - Buckeye Rd | 150 | Groundwater | 5 | 5 |
| Berryessa Brewing Company | 300 | Groundwater | 5 | 4 |
| Full Belly Farm | 65 | Groundwater | 4 | 4 |
| Ihs Nor Cal Youth Trmnt Ctr(sacred Oaks) | 104 | Groundwater | 3 | 3 |
| City of West Sacramento | 53,355 | Surface Water | 2 | 1 |
| Heringer Estates Winery | 300 | Groundwater | 6 | 0 |
| City of Winters | 7,115 | Groundwater | 1 | 0 |
| Husicks | 60 | Groundwater | 1 | 0 |
| City of Davis | 67,457 | Surface Water Purchased | 0 | 0 |
| City of Woodland | 61,462 | Surface Water Purchased | 0 | 0 |
| Sakata Seed Woodland Station | 60 | Groundwater | 0 | 0 |
| Woodland-davis Clean Water Agency | 0 | Surface Water | 0 | 0 |