Public water system · AK2260820
ActiveNunapitchuk Water System
At a glance
Nunapitchuk Water System (PWSID AK2260820) is an active community water system in Bethel Census Area County, Alaska. It reports serving 496 people through 10 service connections. Its primary water source is groundwater, and EPA lists it as Native American-owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
496
Service connections
10
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Nunapitchuk Water System compare with other water systems in Bethel Census Area County?
By EPA's size categories, Nunapitchuk Water System is a very small system (500 people or fewer). Bethel Census Area County has 57 active public water systems. Its population served is about 56% above the county average of 317 people per system, and accounts for 2.7% of the 18,093 people reported by systems filed under the county. Across Alaska, the 1,322 active systems average 653 people each. Nationally, the average active community water system reports serving 6,703 people, so Nunapitchuk Water System 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. Alaska has 406 active community water systems, 31% of the state's 1,322 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,054 Alaska systems (80%) list groundwater as their primary source.
Who owns and regulates Nunapitchuk Water System?
EPA lists Nunapitchuk Water System as Native American-owned. The AK state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 35 of the 57 active systems in Bethel Census Area County (61%) are also Native American-owned.
Does Nunapitchuk Water System have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2025. The violations listed here began between July 2024 and December 2025. By type: 9 monitoring and reporting, 2 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (3 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2025-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-12-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2025-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2025-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2025-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2025-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2024-11-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2024-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
The 12 most recent 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.
Nunapitchuk Water System: frequently asked questions
Who runs Nunapitchuk Water System?
Nunapitchuk Water System (PWSID AK2260820) is a community water system Native American-owned. It is regulated by the AK state drinking water program.
How many people does Nunapitchuk Water System serve?
Nunapitchuk Water System reports serving 496 people through 10 service connections in Bethel Census Area County, Alaska.
Where does Nunapitchuk Water System 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 Nunapitchuk Water System have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2025. 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 Nunapitchuk Water System'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the AK state drinking water program.
Where can I find Nunapitchuk Water System's water quality report?
As a community water system, Nunapitchuk Water System 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 Bethel Census Area County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Bethel Heights Water System | Bethel Census Area | 2,228 | Community | Groundwater |
| Bethel-City S/D Water | Bethel Census Area | 1,660 | Community | Groundwater |
| Kwethluk New Piped Water System | Bethel Census Area | 760 | Community | Surface water |
| Quinhagak Water System | Bethel Census Area | 724 | Community | Surface water |
| Toksook Bay Water System | Bethel Census Area | 661 | Community | Groundwater |
| Kipnuk Water System | Bethel Census Area | 639 | Community | Surface water |
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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, “Nunapitchuk Water System, PWSID AK2260820, Alaska”, https://aquacensus.com/water-systems/alaska/nunapitchuk-water-system-ak2260820 (data as of October 1, 2026).