Maui County, Hawaii Water Systems

Maui County, Hawaii

38 community water systems on record — 35 active, 3 inactive.

Every active community water system nationwide must produce a Consumer Confidence Report under the EPA's revised rule, effective for reports due July 1, 2027.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Hawaii’s official records. Always confirm current status with Hawaii before making decisions based on this information.

Community water systems in Maui County, Hawaii

System name	City	Population served	Status
BALDWIN RANCH ESTATES	PUKALANI	32	Active
HAIKU TOWN WATER ASSOCIATION, INC.	KAHULUI	20	Active
HALEAKALA NATIONAL PARK	MAKAWAO	1,200	Active
HANA	WAILUKU	1,284	Active
HANA WATER SYSTEMS - NORTH	HANA	160	Active
HANA WATER SYSTEMS - SOUTH	HANA	816	Active
HOKU'ULA WATER SYSTEM	—	1,000	Active
HONOKOHAU	WAILUKU	42	Active
HOOLEHUA	KAUNAKAKAI	2,400	Active
KAANAPALI	WAIKOLOA	8,000	Active
KAHAKULOA WATER CO.	WAILUKU	150	Active
KAILUA	PUUNENE	90	Active
KALAE	WAILUKU	360	Active
KALAUPAPA NHP	KALAUPAPA	110	Active
KALUAKOI	—	700	Inactive
KAPALUA	KAPALUA	4,200	Active
KAUAULA	—	120	Inactive
KAUNAKAKAI	WAILUKU	3,702	Active
KAWELA PLANTATION	KAUNAKAKAI	553	Active
KEANAE	WAILUKU	270	Active
KIPAHULU WAI HUI	—	55	Inactive
KIPU	MAUNALOA	80	Active
KUALAPUU	MAUNALOA	500	Active
KULA NANI	WAILUKU	80	Active
LAHAINA	WAILUKU	20,065	Active
LANAI CITY	LANAI CITY	3,200	Active
LOWER KULA	WAILUKU	3,522	Active
MAHANALUA NUI SUBDIVISON	KAHULUI	606	Active
MAKAWAO	WAILUKU	29,868	Active
MAUI HIGHLANDS	WAILUKU	26	Active
MAUNALOA-KALUAKOI	MAUNALOA	1,000	Active
MAUNAOLU PLANTATION	WAILUKU	100	Active
NAHIKU	WAILUKU	107	Active
OLOWALU	KAHULUI	100	Active
UALAPUE	WAILUKU	1,119	Active
UPPER KULA	WAILUKU	7,686	Active
WAILUKU	WAILUKU	74,511	Active
WEST KUIAHA MEADOWS	WAILUKU	60	Active