Drinking Water Systems in DUNCAN, Arizona

3 water systems are reported for this city, with a combined service population of 872. The systems have 39 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving DUNCAN

EPA Contaminant Categories in Historical Violation Records

Consumer Confidence Rule17 records
Coliform (TCR)13 records
Revised Total Coliform Rule10 records
Lead and Copper Rule8 records
Chlorine8 records
Gross Alpha5 records
Nitrate4 records
Chloramine4 records
Carbon tetrachloride4 records
1,2-Dichloropropane4 records

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