Tapcensus

Water quality for ZIP code 96720

ZIP 96720 covers Hilo, Wainaku, and Paukaa in Hawaii County, Hawaii, one of 28 ZIP codes in the county. 39 active public water systems serve the county; 3 had an EPA violation in the past three years.

Most likely your provider

Hilo HI0000101 · Community water system · Ground water · Hilo
Serves 39,477 people Rules violated, past 3 years 0 Last sanitary survey Jul 1, 2021 Distance 8.7 mi

Other community water systems in Hawaii County

36 systems, nearest first
SystemServesStatusRules violated, 3 yrDistance
Olaa-Mountain View
Olaa-mt.view
6,467 0 12.1 mi
Hawaiian Ocean View Estates
Kona
1,000 0 12.3 mi
Papaikou
Papaikou
2,203 0 12.6 mi
Pepeekeo
Pepeekeo
1,450 0 14.4 mi
Pepeekeo Water Association
Pepeekeo
60 0 14.5 mi
Hawaii Volcanoes Nat.park
Hvnp (dho)
4,201 0 15.5 mi
Honomu
Honomu
645 0 16.2 mi
Hakalau-Wailea
Hakalau-wailea
402 0 17.2 mi
Hawaiian Shores
Hawaiian Shores Dho
1,360 0 18.6 mi
Waiki'i Ranch
Waikii Ranch (dho)
102 0 20.9 mi
Pahoa
Pahoa
1,885 0 21.8 mi
Hawaiian Beaches
Hawaiian Shores Dho
3,546 0 21.9 mi
Laupahoehoe-Kapehu
Laupahoehoe
1,169 0 22.2 mi
Ookala (dws)
Ookala
264 0 24.5 mi
Kalapana
Kalapana (dws)
275 0 25.9 mi
Paauilo
Paauilo
716 0 27.7 mi
Haina
Haina
4,563 0 31.8 mi
Pahala
Pahala
1,226 0 35.6 mi
Wood Valley
Pahala
75 0 35.6 mi
South Kohala
South Kohala
9,612 1 37.4 mi
Kukuihaele
Kukuihaele
483 0 38.6 mi
Napuu Water Inc.
Puuwaawaa Ranch Dho
468 0 40.6 mi
Waikoloa
Waikoloa (dho)
12,100 0 43.7 mi
South Kona
South Kona
6,512 0 44.8 mi
Lalamilo
Lalamilo
1,895 0 44.8 mi
All 37 community water systems in Hawaii County
Non-community systems in Hawaii County (2: schools, campgrounds, workplaces, restaurants)

These systems serve places you visit rather than homes.

SystemServesStatusRules violated, 3 yrUnresolved
New Moon Foundation
Kapaau
80 0 0
Kilauea Military Camp
Kilauea Volcano
220 0 0
About this data

Water systems are matched to Hawaii County, the county this ZIP code lies in, nearest to the ZIP code's centre first. Your exact provider depends on your address and connection; the largest community water system in a county is usually the city or town utility. Distances are measured to the centre of the service area EPA publishes for the system or, for systems without one, to the centre of the first town EPA lists the system as serving, from Census Bureau place files.

ZIP code areas and town boundaries come from the U.S. Census Bureau's 2020 ZCTA files.

Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Hawaii records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet. Retrieved from ECHO on Oct 11, 2026.