Public water system · AK2218822
ActiveMatthews Subdivision
At a glance
Matthews Subdivision (PWSID AK2218822) is an active community water system in Anchorage Municipality County, Alaska. It reports serving 32 people through 5 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in March 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
32
Service connections
5
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Matthews Subdivision compare with other water systems in Anchorage Municipality County?
By EPA's size categories, Matthews Subdivision is a very small system (500 people or fewer). Anchorage Municipality County has 154 active public water systems. Its population served is well below the county average of 1,981 people per system, and accounts for less than 0.1% 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 Matthews Subdivision 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 Matthews Subdivision?
EPA lists Matthews Subdivision as privately 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. 124 of the 154 active systems in Anchorage Municipality County (81%) are also privately owned.
Does Matthews Subdivision have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in March 2025. The violations listed here began between October 2021 and March 2025. By type: 10 monitoring and reporting and 2 public notice, recordkeeping or other. The contaminants or rules involved are Lead and Copper Rule, Consumer Confidence Rule, Revised Total Coliform Rule and Dichloromethane. 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 |
|---|---|---|---|---|
| 2025-03-06 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2023-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2022-04-16 | Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dichloromethanecode 2964 | No | Resolved |
| 2021-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,1-Trichloroethanecode 2981 | No | Resolved |
| 2021-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbon tetrachloridecode 2982 | No | Resolved |
| 2021-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Xylenes, Totalcode 2955 | No | Resolved |
| 2021-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Vinyl chloridecode 2976 | No | Resolved |
| 2021-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloroethanecode 2980 | No | Resolved |
| 2021-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | o-Dichlorobenzenecode 2968 | No | Resolved |
| 2021-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | cis-1,2-Dichloroethylenecode 2380 | No | Resolved |
| 2021-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloropropanecode 2983 | 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.
Matthews Subdivision: frequently asked questions
Who runs Matthews Subdivision?
Matthews Subdivision (PWSID AK2218822) is a community water system privately owned. It is regulated by the AK state drinking water program.
How many people does Matthews Subdivision serve?
Matthews Subdivision reports serving 32 people through 5 service connections in Anchorage Municipality County, Alaska.
Where does Matthews Subdivision 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 Matthews Subdivision 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 March 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 Matthews Subdivision'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 March 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 Matthews Subdivision's water quality report?
As a community water system, Matthews Subdivision 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 |
|---|---|---|---|---|
| Moa Municipality of Anchorage | Anchorage Municipality | 221,351 | Community | Surface water |
| 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 |
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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, “Matthews Subdivision, PWSID AK2218822, Alaska”, https://aquacensus.com/water-systems/alaska/matthews-subdivision-ak2218822 (data as of October 1, 2026).