Drinking Water Systems in DOUGLAS, Arizona

6 water systems are reported for this city, with a combined service population of 19,598. The systems have 20 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving DOUGLAS

EPA Contaminant Categories in Historical Violation Records

Chlorine52 records
Consumer Confidence Rule50 records
Arsenic44 records
Coliform (TCR)40 records
Haloacetic Acids (HAA5)18 records
Nitrate16 records
Total Trihalomethanes (TTHMs)12 records
2,3,7,8-TCDD11 records
Di(2-ethylhexyl) phthalate11 records
Lead and Copper Rule9 records

Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.