Stanislaus County, California
22 active water systems in this county.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Hughson, City of | 7,481 | Groundwater | 77 | 75 |
| Mid Valley Nut Co | 60 | Groundwater | 27 | 25 |
| City of Newman-water Department | 12,207 | Groundwater | 14 | 5 |
| Ceres, City of | 54,513 | Surface Water Purchased | 8 | 4 |
| Turlock, City of | 72,682 | Surface Water Purchased | 3 | 3 |
| Riverbank, City of | 24,834 | Groundwater | 3 | 3 |
| City of Modesto - Grayson | 914 | Groundwater | 2 | 2 |
| Oakdale, City of | 23,235 | Groundwater | 2 | 1 |
| City of Modesto - Salida | 14,537 | Groundwater | 14 | 0 |
| Monte Vista Farming | 188 | Groundwater | 10 | 0 |
| Charity Way Water System | 25 | Groundwater | 1 | 0 |
| Modesto, City of | 218,771 | Surface Water Purchased | 0 | 0 |
| Patterson, City of | 23,304 | Groundwater | 0 | 0 |
| City of Waterford | 8,788 | Groundwater | 0 | 0 |
| City of Modesto - Del Rio | 1,327 | Groundwater | 0 | 0 |
| City of Modesto - South Turlock | 1,099 | Groundwater | 0 | 0 |
| Waterford - Hickman | 597 | Groundwater | 0 | 0 |
| City of Modesto - Walnut Manor | 175 | Groundwater | 0 | 0 |
| City of Modesto - North Turlock | 172 | Groundwater | 0 | 0 |
| City of Modesto - Central Turlock | 119 | Groundwater Purchased | 0 | 0 |
| Rolling Hills Nut Company | 45 | Groundwater | 0 | 0 |
| Zansco | 25 | Groundwater | 0 | 0 |