Drinking Water Systems in HILO, Hawaii
24 water systems are reported for this city, with a combined service population of 118,171. The systems have 1 EPA violation record in the five-year period ending June 30, 2026.
Water Systems Serving HILO
PEPEEKEO WATER ASSOCIATION
60 served0 historical records
A
LAUPAHOEHOE-KAPEHU
1,169 served1 historical record
A
NINOLE
151 served1 historical record
A
OOKALA (DWS)
264 served1 historical record
A
HONOMU
645 served0 historical records
A
PEPEEKEO
1,450 served1 historical record
A
PAPAIKOU
2,203 served2 historical records
A
WAIOHINU-NAALEHU
2,948 served0 historical records
A
PAHALA
1,226 served0 historical records
A
KALAPANA
275 served2 historical records
A
OLAA-MOUNTAIN VIEW
6,467 served0 historical records
A
NORTH KOHALA
4,933 served1 historical record
A
SOUTH KOHALA
9,612 served26 historical records1 recent
B
NORTH KONA
29,581 served1 historical record
A
SOUTH KONA
6,512 served1 historical record
A
KUKUIHAELE
483 served1 historical record
A
PAAUILO
716 served0 historical records
A
PAHOA
1,885 served2 historical records
A
LALAMILO
1,895 served0 historical records
A
HILO
39,477 served14 historical records
A
NIULII
254 served1 historical record
A
HAWAIIAN OCEAN VIEW ESTATES
1,000 served0 historical records
A
HAKALAU-WAILEA
402 served1 historical record
A
HAINA
4,563 served0 historical records
A
EPA Contaminant Categories in Historical Violation Records
Surface Water Treatment Rule33 records
Coliform (Pre-TCR)3 records
Interim Enhanced Surface Water Treatment Rule2 records
Total Trihalomethanes (TTHMs)2 records
CARBON, TOTAL1 record
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.