Sonoita, Arizona Water Violations
7 water systems serve Sonoita, Arizona, providing drinking water to an estimated 797 people. These systems have 49 health-based violations on record, meaning contaminant levels exceeded EPA maximum contaminant levels (MCLs) or required treatment standards were not met.
Select a water system below to see its full violation history, lead and copper testing results, and compliance status.
| Water System | Population Served | Source | Violations | Health-Based |
|---|---|---|---|---|
| Adot Border Patrol | 100 | Groundwater | 75 | 29 |
| Sonoita Mercantile Water System | 125 | Groundwater | 46 | 15 |
| Casas Arroyo Association Inc | 27 | Groundwater | 47 | 4 |
| Sonoita Valley (South) Water Company | 169 | Groundwater | 72 | 1 |
| Sonoita Valley (North) Water Company | 49 | Groundwater | 25 | 0 |
| Santa Cruz County Fairgrounds | 297 | Groundwater | 17 | 0 |
| Sonoita Springs Water Company | 30 | Groundwater | 10 | 0 |