Drinking Water Systems in LANCASTER, Ohio

6 water systems are reported for this city, with a combined service population of 59,325. The systems have 3 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving LANCASTER

GREENFIELD TWP WATER DISTRICT

490 served11 historical records
A

LITTLE WALNUT WATER TREATMENT FACILITY

1,428 served0 historical records
A

ODRC-SOUTHEASTERN CORRECTIONAL INSTITUTE

1,461 served14 historical records2 recent
B

LANCASTER CITY PWS

40,400 served3 historical records
A

FAIRFIELD COUNTY UTILITIES PWS

15,486 served3 historical records
A

BROOKDALE MOBILE HOME PARK

60 served16 historical records1 recent
B

EPA Contaminant Categories in Historical Violation Records

Consumer Confidence Rule7 records
Coliform (TCR)6 records
Lead and Copper Rule3 records
Gross Alpha3 records
Nitrate2 records
Endrin2 records
BHC-GAMMA2 records
2,4-D2 records
Toxaphene2 records
2,4,5-TP2 records

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