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Hawaii · 142,982 people served · 18 water systems
ZIP code 96793 is in Hawaii and is a mid-sized community from a drinking-water-service perspective, with 142,982 people served by 18 EPA-registered public water systems. It corresponds to WAILUKU.
Within ZIP code 96793, the EPA Safe Drinking Water Information System (SDWIS) records 2 health-based violations during the past five years across 18 water systems serving this postal area. The grade of B reflects the aggregate compliance pattern, not the current daily water quality.
Last updated: 2026-05-18 · Source: EPA SDWIS
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WAILUKU
PWSID: HI0000212
74,511 served
MAKAWAO
PWSID: HI0000213
29,868 served
LAHAINA
PWSID: HI0000214
20,065 served
UPPER KULA
PWSID: HI0000215
7,686 served
HANA
PWSID: HI0000217
1,284 served
HONOKOHAU
PWSID: HI0000218
42 served
KEANAE
PWSID: HI0000219
270 served
NAHIKU
PWSID: HI0000220
107 served
UALAPUE
PWSID: HI0000233
1,119 served
KAUNAKAKAI
PWSID: HI0000234
3,702 served
KALAE
PWSID: HI0000235
360 served
LOWER KULA
PWSID: HI0000247
3,522 served
KULA NANI
PWSID: HI0000255
80 served
KAHAKULOA WATER CO.
PWSID: HI0000249
150 served
WEST KUIAHA MEADOWS
PWSID: HI0000252
60 served
MAUNAOLU PLANTATION
PWSID: HI0000254
100 served
MAUI HIGHLANDS
PWSID: HI0000256
26 served
VILLA ROSE
PWSID: HI0000374
30 served
Postal-code level water quality data is built up from the underlying water systems — multiple ZIPs may share a single utility, and a single ZIP can span multiple utilities. For property-level information, contact the specific utility serving your address. EPA data on this page was last refreshed on 2026-05-18.
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