Drinking Water Systems in HILLSBORO, Ohio
2 water systems are reported for this city, with a combined service population of 35,071. The systems have 3 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving HILLSBORO
HIGHLAND COUNTY WATER COMPANY, INC.
28,421 served7 historical records
A
HILLSBORO CITY
6,650 served14 historical records3 recent
C
EPA Contaminant Categories in Historical Violation Records
Surface Water Treatment Rule5 records
Consumer Confidence Rule3 records
Coliform (TCR)1 record
BHC-GAMMA1 record
Methoxychlor1 record
Toxaphene1 record
2,4-D1 record
2,4,5-TP1 record
Haloacetic Acids (HAA5)1 record
CARBON, TOTAL1 record
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.