Drinking Water Systems in CHINOOK, Montana
2 water systems are reported for this city, with a combined service population of 1,400. The systems have 4 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving CHINOOK
CHINOOK CITY OF
1,300 served24 historical records4 recent
D
PERRYS WATER SERVICE
100 served0 historical records
A
EPA Contaminant Categories in Historical Violation Records
Surface Water Treatment Rule6 records
Haloacetic Acids (HAA5)5 records
Coliform (TCR)3 records
Fluoride2 records
Thallium, Total1 record
Nickel1 record
Beryllium1 record
Arsenic1 record
Nitrate1 record
o-Dichlorobenzene1 record
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.