Drinking Water Systems in SIERRA VISTA, Arizona

17 water systems are reported for this city, with a combined service population of 70,134. The systems have 104 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving SIERRA VISTA

EPA Contaminant Categories in Historical Violation Records

Coliform (TCR)72 records
Benzene62 records
Nitrate58 records
Consumer Confidence Rule48 records
Chlorine44 records
Di(2-ethylhexyl) phthalate44 records
Tetrachloroethylene38 records
1,1,2-Trichloroethane37 records
HEXACHLOROBENZENE35 records
Tetrachloroethylene (PCE)35 records

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