Sonoita, Arizona Water Violations

7 water systems serve Sonoita, Arizona, providing drinking water to an estimated 797 people. These systems have 21 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 systemServesSourceViolationsWhat kind
Adot Border Patrol 100 Groundwater 43 12 over limit
Sonoita Mercantile Water System 125 Groundwater 19 3 over limit
Casas Arroyo Association Inc 27 Groundwater 29
Sonoita Valley (South) Water Company 169 Groundwater 31
Sonoita Valley (North) Water Company 49 Groundwater 16
Santa Cruz County Fairgrounds 297 Groundwater 10
Sonoita Springs Water Company 30 Groundwater 4