Public water system · AK2210906
ActiveMoa Municipality of Anchorage
At a glance
Moa Municipality of Anchorage (PWSID AK2210906) is an active community water system in Anchorage Municipality County, Alaska. It reports serving 221,351 people through 59,801 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
221,351
Service connections
59,801
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Moa Municipality of Anchorage compare with other water systems in Anchorage Municipality County?
By EPA's size categories, Moa Municipality of Anchorage is a very large system (more than 100,000 people). Anchorage Municipality County has 154 active public water systems, and Moa Municipality of Anchorage is the largest of them by population served. Its population served is about 112 times the county average of 1,981 people per system, and accounts for 73% of the 305,135 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 Moa Municipality of Anchorage is about 33 times 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 150 Alaska systems (11%) list surface water as their primary source.
Who owns and regulates Moa Municipality of Anchorage?
EPA lists Moa Municipality of Anchorage as owned by a local government. 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. 11 of the 154 active systems in Anchorage Municipality County (7.1%) are also owned by a local government.
Does Moa Municipality of Anchorage have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2025. The violations listed here began between January 2008 and January 2025. By type: 11 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Carbon, total (3 of them). EPA lists 10 as resolved and 2 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 |
|---|---|---|---|---|
| 2025-01-31 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2022-05-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2022-05-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2019-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Carbon, totalcode 2920 | No | Archived |
| 2019-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Carbon, totalcode 2920 | No | Archived |
| 2018-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Carbon, totalcode 2920 | No | Resolved |
| 2017-11-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2017-11-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2016-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2011-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | 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.
Moa Municipality of Anchorage: frequently asked questions
Who runs Moa Municipality of Anchorage?
Moa Municipality of Anchorage (PWSID AK2210906) is a community water system owned by a local government. It is regulated by the AK state drinking water program.
How many people does Moa Municipality of Anchorage serve?
Moa Municipality of Anchorage reports serving 221,351 people through 59,801 service connections in Anchorage Municipality County, Alaska.
Where does Moa Municipality of Anchorage get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Moa Municipality of Anchorage 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 January 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 Moa Municipality of Anchorage'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 January 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 Moa Municipality of Anchorage's water quality report?
As a community water system, Moa Municipality of Anchorage 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 Anchorage Municipality County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Jber-Elmendorf | Anchorage Municipality | 30,003 | Community | Purchased surface water |
| Doyon Utilities Jber - Richardson | Anchorage Municipality | 20,284 | Community | Surface water |
| Girdwood Water System | Anchorage Municipality | 2,625 | Community | Groundwater |
| Ow Dimond Estates Trailer Court | Anchorage Municipality | 1,395 | Community | Groundwater |
| Alaska Wildlife Center | Anchorage Municipality | 1,020 | Transient non-community | Groundwater under influence of surface water |
| Southwood Manor Tc | Anchorage Municipality | 1,005 | Community | Groundwater |
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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, “Moa Municipality of Anchorage, PWSID AK2210906, Alaska”, https://aquacensus.com/water-systems/alaska/moa-municipality-of-anchorage-ak2210906 (data as of October 1, 2026).