Drinking Water Systems in LEWISTOWN, Montana

5 water systems are reported for this city, with a combined service population of 6,398. The systems have 26 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving LEWISTOWN

EPA Contaminant Categories in Historical Violation Records

Antimony64 records
Coliform (TCR)56 records
Consumer Confidence Rule21 records
Lead and Copper Rule14 records
Benzene7 records
Di(2-ethylhexyl) adipate5 records
OXAMYL5 records
Dinoseb5 records
Atrazine5 records
Heptachlor5 records

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