Douglas, Arizona Water Violations

8 water systems serve Douglas, Arizona, providing drinking water to an estimated 18,613 people. These systems have 44 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 SystemPopulation ServedSourceViolationsHealth-Based
Monte Vista Water Company 150 Groundwater 81 25
Douglas Border Patrol Station 450 Groundwater 39 8
La Costa Water Users Assoc 30 Groundwater 40 4
Twin Buttes Rv, LLC 79 Groundwater 24 3
USFS Cnf Douglas Ranger Station 45 Groundwater 7 3
Douglas City of 16,656 Groundwater 35 1
Cochise College Park Water Assoc 83 Groundwater 20 0
Cochise County Community College Distric 1,120 Groundwater 10 0