Water Use Rules in Maui County, HI (2026)
2 rules for unincorporated Maui County, Hawaii.
Verified from official government sources
Recycled Water Rules
Maui County requires improved commercial property in Central, South, and West Maui to connect to reclaimed water service where it is available, for irrigation on golf courses, landscaping, and agricultural uses. Single-family and duplex properties are exempt, and building a new irrigation system without connecting is unlawful.
Maui County Recycled Water Use Rules
Significant RestrictionsMaui County Code §§ 20.30.020, 20.30.050
This chapter requires improved commercial property to connect to available reclaimed water service for irrigation purposes, including golf courses, landscaping, and agricultural uses, except for properties used for single-family or duplex purposes. ... Any consumer or other person who desires to use the reclaimed water service of the county shall file a written application with the director. .....
Leak Reporting Duty
Maui County's water code puts leak detection largely in the Department of Water Supply's hands rather than on consumers: section 14.06A.030 requires the department to monitor consumption, flag high-usage accounts, prioritize replacing old and leak-prone mains, hand out leak detection tablets on request, and encourage the public to report leaks.
Maui County Water Leak Detection Duties
Light RestrictionsMaui County Code § 14.06A.030
A.The department shall monitor water consumption and issue high-consumption notices to consumers when warranted.B.The department shall prioritize the replacement of old and leak-prone water mains.C.When available, the department shall reasonably distribute leak detection tablets or other leak detection methods to detect toilet tank leaks to a consumer upon request.D.The department shall encoura...
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