Drinking Water Systems in MOUNT VERNON, Ohio
4 water systems are reported for this city, with a combined service population of 24,821. The systems have 5 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving MOUNT VERNON
KNOX COUNTY WATER AND WASTEWATER PWS
7,710 served7 historical records2 recent
B
GRANDVIEW MHP A PWS
74 served12 historical records
A
GRANDVIEW MHP B
47 served2 historical records1 recent
B
MOUNT VERNON CITY PWS
16,990 served6 historical records2 recent
B
EPA Contaminant Categories in Historical Violation Records
Consumer Confidence Rule6 records
Coliform (TCR)4 records
Methoxychlor2 records
Toxaphene2 records
2,4,5-TP2 records
Endrin2 records
BHC-GAMMA2 records
2,4-D2 records
Haloacetic Acids (HAA5)1 record
Total Trihalomethanes (TTHMs)1 record
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.