Public water system · AK2340507
ActiveWhite Mountain Water System
At a glance
White Mountain Water System (PWSID AK2340507) is an active community water system in Nome Census Area County, Alaska. It reports serving 210 people through 81 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, 3 are health-based, and the most recent began in January 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
210
Service connections
81
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does White Mountain Water System compare with other water systems in Nome Census Area County?
By EPA's size categories, White Mountain Water System is a very small system (500 people or fewer). Nome Census Area County has 17 active public water systems. Its population served is about 65% below the county average of 607 people per system, and accounts for 2% of the 10,325 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 White Mountain 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 White Mountain Water System?
EPA lists White Mountain 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. 16 of the 17 active systems in Nome Census Area County (94%) are also Native American-owned.
Does White Mountain Water System have drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in January 2023. The violations listed here began between January 2015 and January 2023. By type: 7 monitoring and reporting, 3 required treatment not met, 1 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Groundwater Rule (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 |
|---|---|---|---|---|
| 2023-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2022-06-14 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2021-07-02 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2020-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2019-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2016-08-01 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2016-08-01 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2016-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2015-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | 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.
White Mountain Water System: frequently asked questions
Who runs White Mountain Water System?
White Mountain Water System (PWSID AK2340507) is a community water system Native American-owned. It is regulated by the AK state drinking water program.
How many people does White Mountain Water System serve?
White Mountain Water System reports serving 210 people through 81 service connections in Nome Census Area County, Alaska.
Where does White Mountain 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 White Mountain Water System have any drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in January 2023. 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 White Mountain 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, 3 are health-based, and the most recent began in January 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the AK state drinking water program.
Where can I find White Mountain Water System's water quality report?
As a community water system, White Mountain 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 Nome Census Area County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Nome Joint Utility System | Nome Census Area | 3,920 | Community | Groundwater |
| Savoonga Water Supply | Nome Census Area | 802 | Community | Groundwater |
| Unalakleet City Water Supply | Nome Census Area | 757 | Community | Groundwater |
| Gambell Water System | Nome Census Area | 669 | Community | Groundwater under influence of surface water |
| Stebbins City Water Supply | Nome Census Area | 590 | Community | Surface water |
| Shishmaref Water System | Nome Census Area | 572 | 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, “White Mountain Water System, PWSID AK2340507, Alaska”, https://aquacensus.com/water-systems/alaska/white-mountain-water-system-ak2340507 (data as of October 1, 2026).