Public water system · HI0000404
ActiveHanapepe-Eleele
At a glance
Hanapepe-Eleele (PWSID HI0000404) is an active community water system in Kauai County, Hawaii. It reports serving 5,592 people through 1,795 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2000.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
5,592
Service connections
1,795
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Hanapepe-Eleele compare with other water systems in Kauai County?
By EPA's size categories, Hanapepe-Eleele is a medium system (3,301 to 10,000 people). Kauai County has 19 active public water systems, and Hanapepe-Eleele is the 5th-largest of them by population served. Its population served is about 34% above the county average of 4,167 people per system, and accounts for 7.1% of the 79,166 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 Hanapepe-Eleele is about 17% 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 Hanapepe-Eleele?
EPA lists Hanapepe-Eleele as owned by a local government. 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. 9 of the 19 active systems in Kauai County (47%) are also owned by a local government.
Does Hanapepe-Eleele have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2000. The violations listed here began between July 1992 and January 2000. By type: 3 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 2 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2000-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
| 1992-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1992-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
All 3 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.
Hanapepe-Eleele: frequently asked questions
Who runs Hanapepe-Eleele?
Hanapepe-Eleele (PWSID HI0000404) is a community water system owned by a local government. It is regulated by the HI state drinking water program.
How many people does Hanapepe-Eleele serve?
Hanapepe-Eleele reports serving 5,592 people through 1,795 service connections in Kauai County, Hawaii.
Where does Hanapepe-Eleele 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 Hanapepe-Eleele have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2000. 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 Hanapepe-Eleele'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 3 violations for this system; none is health-based, and the most recent began in January 2000. For current results, consult the system's annual water quality report, EPA ECHO, or the HI state drinking water program.
Where can I find Hanapepe-Eleele's water quality report?
As a community water system, Hanapepe-Eleele 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 Kauai County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Lihue-Kapaa | Kauai | 34,854 | Community | Surface water |
| Kalaheo-Koloa | Kauai | 12,660 | Community | Groundwater |
| Princeville | Kauai | 6,911 | Community | Groundwater |
| Kekaha-Waimea | Kauai | 5,998 | Community | Groundwater |
| Kilauea | Kauai | 3,420 | Community | Groundwater |
| Anahola | Kauai | 2,473 | Community | Groundwater |
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, “Hanapepe-Eleele, PWSID HI0000404, Hawaii”, https://aquacensus.com/water-systems/hawaii/hanapepe-eleele-hi0000404 (data as of October 1, 2026).