Public water system · HI0000263
ActiveHaiku Town Water Association, Inc..
At a glance
Haiku Town Water Association, Inc.. (PWSID HI0000263) is an active community water system in Maui County, Hawaii. It reports serving 20 people through 25 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
20
Service connections
25
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Haiku Town Water Association, Inc.. compare with other water systems in Maui County?
By EPA's size categories, Haiku Town Water Association, Inc.. is a very small system (500 people or fewer). Maui County has 39 active public water systems. Its population served is well below the county average of 4,338 people per system, and accounts for less than 0.1% of the 169,182 people reported by systems filed under the county. Across Hawaii, the 136 active systems average 11,181 people each. Nationally, the average active community water system reports serving 6,703 people, so Haiku Town Water Association, Inc.. is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Hawaii has 119 active community water systems, 88% of the state's 136 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 112 Hawaii systems (82%) list groundwater as their primary source.
Who owns and regulates Haiku Town Water Association, Inc..?
EPA lists Haiku Town Water Association, Inc.. as privately owned. The HI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 22 of the 39 active systems in Maui County (56%) are also privately owned.
Does Haiku Town Water Association, Inc.. have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 2019. The violations listed here began between July 2019 and July 2019. By type: 2 monitoring and reporting. The contaminants or rules involved are 1,2-Dibromo-3-chloropropane (DBCP) and Ethylene dibromide (EDB). EPA lists 2 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2019-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dibromo-3-chloropropane (DBCP)code 2931 | No | Resolved |
| 2019-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylene dibromide (EDB)code 2946 | No | Resolved |
All 2 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Haiku Town Water Association, Inc..: frequently asked questions
Who runs Haiku Town Water Association, Inc..?
Haiku Town Water Association, Inc.. (PWSID HI0000263) is a community water system privately owned. It is regulated by the HI state drinking water program.
How many people does Haiku Town Water Association, Inc.. serve?
Haiku Town Water Association, Inc.. reports serving 20 people through 25 service connections in Maui County, Hawaii.
Where does Haiku Town Water Association, Inc.. get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Haiku Town Water Association, Inc.. have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 2019. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Haiku Town Water Association, Inc..'s water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 2019. For current results, consult the system's annual water quality report, EPA ECHO, or the HI state drinking water program.
Where can I find Haiku Town Water Association, Inc..'s water quality report?
As a community water system, Haiku Town Water Association, Inc.. must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Maui County
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Haiku Town Water Association, Inc.., PWSID HI0000263, Hawaii”, https://aquacensus.com/water-systems/hawaii/haiku-town-water-association-inc-hi0000263 (data as of October 1, 2026).