Public water system · AK2227547
ActiveMatanuska Heights Duchess
At a glance
Matanuska Heights Duchess (PWSID AK2227547) is an active community water system in Matanuska-Susitna Borough County, Alaska. It reports serving 36 people through 3 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 January 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
36
Service connections
3
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Matanuska Heights Duchess compare with other water systems in Matanuska-Susitna Borough County?
By EPA's size categories, Matanuska Heights Duchess is a very small system (500 people or fewer). Matanuska-Susitna Borough County has 342 active public water systems. Its population served is well below the county average of 264 people per system, and accounts for less than 0.1% of the 90,225 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 Matanuska Heights Duchess 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 Matanuska Heights Duchess?
EPA lists Matanuska Heights Duchess 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. 282 of the 342 active systems in Matanuska-Susitna Borough County (82%) are also privately owned.
Does Matanuska Heights Duchess 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 2023. The violations listed here began between January 2020 and January 2023. By type: 11 monitoring and reporting and 1 monitoring. The contaminants or rules involved are Lead and Copper Rule, Revised Total Coliform Rule, 1,2-Dichloropropane and Vinyl chloride. 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 |
| 2022-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloropropanecode 2983 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Vinyl chloridecode 2976 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Trichloroethylenecode 2984 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2,4-Trichlorobenzenecode 2378 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Tetrachloroethylenecode 2987 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,2-Trichloroethanecode 2985 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | p-Dichlorobenzenecode 2969 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzenecode 2990 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | cis-1,2-Dichloroethylenecode 2380 | 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.
Matanuska Heights Duchess: frequently asked questions
Who runs Matanuska Heights Duchess?
Matanuska Heights Duchess (PWSID AK2227547) is a community water system privately owned. It is regulated by the AK state drinking water program.
How many people does Matanuska Heights Duchess serve?
Matanuska Heights Duchess reports serving 36 people through 3 service connections in Matanuska-Susitna Borough County, Alaska.
Where does Matanuska Heights Duchess 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 Matanuska Heights Duchess 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 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 Matanuska Heights Duchess' 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 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 Matanuska Heights Duchess' water quality report?
As a community water system, Matanuska Heights Duchess 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 Matanuska-Susitna Borough County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Wasilla Water System | Matanuska-Susitna Borough | 18,492 | Community | Groundwater |
| Palmer Water System | Matanuska-Susitna Borough | 8,111 | Community | Groundwater |
| Unified Alaskan Utilities Settlers Bay | Matanuska-Susitna Borough | 2,733 | Community | Groundwater |
| Msbsd Colony Schools | Matanuska-Susitna Borough | 1,961 | Non-transient non-community | Groundwater |
| Talkeetna Water System | Matanuska-Susitna Borough | 1,850 | Community | Groundwater |
| Valley Utilities LLC | Matanuska-Susitna Borough | 1,590 | 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, “Matanuska Heights Duchess, PWSID AK2227547, Alaska”, https://aquacensus.com/water-systems/alaska/matanuska-heights-duchess-ak2227547 (data as of October 1, 2026).