Drinking Water Systems in GRASS VALLEY, Oregon
1 water system are reported for this city, with a combined service population of 184. The systems have 2 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving GRASS VALLEY
EPA Contaminant Categories in Historical Violation Records
Coliform (TCR)19 records
Consumer Confidence Rule3 records
Benzene2 records
Lead and Copper Rule2 records
Nitrate2 records
CHLOROBENZENE1 record
o-Dichlorobenzene1 record
Toluene1 record
Chloramine1 record
2,4-D1 record
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.