California Drinking Water Violations
428Water Systems
3,718Total Violations
1,273Health-Based
| County | Water Systems | Total Violations | Health-Based |
|---|---|---|---|
| Kings | 5 | 350 | 299 |
| Tulare | 12 | 227 | 191 |
| Stanislaus | 22 | 161 | 118 |
| Fresno | 24 | 186 | 95 |
| Napa | 14 | 98 | 85 |
| Imperial | 8 | 110 | 69 |
| Merced | 13 | 72 | 58 |
| Kern | 17 | 140 | 57 |
| San Joaquin | 8 | 64 | 37 |
| Siskiyou | 10 | 65 | 33 |
| Yolo | 13 | 40 | 30 |
| Los Angeles | 48 | 202 | 29 |
| San Benito | 3 | 34 | 23 |
| Sutter | 2 | 28 | 20 |
| Mendocino | 7 | 35 | 17 |
| Santa Clara | 10 | 248 | 16 |
| Amador | 5 | 47 | 16 |
| Trinity | 1 | 15 | 11 |
| San Mateo | 8 | 12 | 9 |
| Sacramento | 7 | 11 | 9 |
| Solano | 10 | 20 | 6 |
| Riverside | 11 | 151 | 5 |
| Inyo | 5 | 11 | 4 |
| Calaveras | 1 | 6 | 4 |
| Alameda | 6 | 4 | 4 |
| Orange | 19 | 54 | 3 |
| Humboldt | 7 | 8 | 3 |
| Nevada | 4 | 5 | 3 |
| Santa Cruz | 2 | 4 | 3 |
| Sonoma | 16 | 1,080 | 2 |
| Butte | 2 | 15 | 2 |
| Contra Costa | 6 | 14 | 2 |
| Tehama | 3 | 7 | 2 |
| Madera | 7 | 18 | 1 |
| Glenn | 6 | 16 | 1 |
| Monterey | 5 | 7 | 1 |
| Lake | 5 | 5 | 1 |
| Shasta | 6 | 5 | 1 |
| Ventura | 2 | 3 | 1 |
| Modoc | 1 | 2 | 1 |
| Lassen | 3 | 1 | 1 |
| San Diego | 8 | 44 | 0 |
| San Bernardino | 14 | 43 | 0 |
| Placer | 6 | 12 | 0 |
| Colusa | 3 | 11 | 0 |
| Del Norte | 2 | 6 | 0 |
| Santa Barbara | 6 | 6 | 0 |
| Fall River | 1 | 4 | 0 |
| Sierra | 2 | 4 | 0 |
| Yuba | 1 | 4 | 0 |
| Tuolumne | 3 | 2 | 0 |
| San Luis Obispo | 14 | 1 | 0 |
| El Dorado | 2 | 0 | 0 |
| Plumas | 2 | 0 | 0 |