Drinking Water Systems in WESTERVILLE, Ohio
7 water systems are reported for this city, with a combined service population of 28,779. The systems have 1 EPA violation record in the five-year period ending June 30, 2026.
Water Systems Serving WESTERVILLE
AQUA OHIO - BLACKLICK
7,100 served5 historical records
A
AQUA OHIO - HUBER RIDGE PWS
5,393 served5 historical records
A
AQUA OHIO - LAWRENCE COUNTY
8,130 served3 historical records1 recent
C
AQUA OHIO - TIMBERBROOK PW
865 served2 historical records
A
AQUA OHIO - WORTHINGTON HILLS PWS
2,500 served0 historical records
A
AQUA OHIO - LAKE DARBY
3,562 served1 historical record
A
AQUA OHIO - LAKE WHITE PWS
1,229 served18 historical records
A
EPA Contaminant Categories in Historical Violation Records
Coliform (TCR)13 records
Fluoride3 records
Lead and Copper Rule2 records
Total Trihalomethanes (TTHMs)2 records
Nitrate2 records
Simazine1 record
Arsenic1 record
Barium1 record
Selenium1 record
Cadmium1 record
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.