Public water system · AK2220501
ActiveKnik Tribal Council Senior Housing Dev
At a glance
Knik Tribal Council Senior Housing Dev (PWSID AK2220501) is an active community water system in Matanuska-Susitna Borough County, Alaska. It reports serving 128 people through 8 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 January 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
128
Service connections
8
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Knik Tribal Council Senior Housing Dev compare with other water systems in Matanuska-Susitna Borough County?
By EPA's size categories, Knik Tribal Council Senior Housing Dev is a very small system (500 people or fewer). Matanuska-Susitna Borough County has 342 active public water systems. Its population served is about half of the county average of 264 people per system, and accounts for 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 Knik Tribal Council Senior Housing Dev 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 Knik Tribal Council Senior Housing Dev?
EPA lists Knik Tribal Council Senior Housing Dev 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. 2 of the 342 active systems in Matanuska-Susitna Borough County (0.6%) are also Native American-owned.
Does Knik Tribal Council Senior Housing Dev 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 2026. The violations listed here began between January 2025 and January 2026. By type: 12 monitoring and reporting. The contaminants or rules involved are Lead and Copper Rule, Arsenic, 1,2-Dichloroethane and 1,1,2-Trichloroethane. EPA lists 10 as resolved, 1 as unaddressed and 1 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. 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 |
|---|---|---|---|---|
| 2026-01-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2025-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Archived |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloroethanecode 2980 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,2-Trichloroethanecode 2985 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2,4-Trichlorobenzenecode 2378 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Styrenecode 2996 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzenecode 2990 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Vinyl chloridecode 2976 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dichloromethanecode 2964 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylbenzenecode 2992 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | trans-1,2-Dichloroethylenecode 2979 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,1-Trichloroethanecode 2981 | 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.
Knik Tribal Council Senior Housing Dev: frequently asked questions
Who runs Knik Tribal Council Senior Housing Dev?
Knik Tribal Council Senior Housing Dev (PWSID AK2220501) is a community water system Native American-owned. It is regulated by the AK state drinking water program.
How many people does Knik Tribal Council Senior Housing Dev serve?
Knik Tribal Council Senior Housing Dev reports serving 128 people through 8 service connections in Matanuska-Susitna Borough County, Alaska.
Where does Knik Tribal Council Senior Housing Dev 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 Knik Tribal Council Senior Housing Dev 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 2026. 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 Knik Tribal Council Senior Housing Dev'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 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the AK state drinking water program.
Where can I find Knik Tribal Council Senior Housing Dev's water quality report?
As a community water system, Knik Tribal Council Senior Housing Dev 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 |
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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, “Knik Tribal Council Senior Housing Dev, PWSID AK2220501, Alaska”, https://aquacensus.com/water-systems/alaska/knik-tribal-council-senior-housing-dev-ak2220501 (data as of October 1, 2026).