Public water system · AK2226258
ActiveSutton Hilltop Tesoro
At a glance
Sutton Hilltop Tesoro (PWSID AK2226258) is an active transient non-community water system in Matanuska-Susitna Borough County, Alaska. It reports serving 79 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
79
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Sutton Hilltop Tesoro compare with other water systems in Matanuska-Susitna Borough County?
By EPA's size categories, Sutton Hilltop Tesoro 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 transient non-community water system reports serving 144 people, so Sutton Hilltop Tesoro is about half of that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Alaska has 689 active transient non-community water systems, 52% 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 Sutton Hilltop Tesoro?
EPA lists Sutton Hilltop Tesoro 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 Sutton Hilltop Tesoro have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2020. The violations listed here began between June 1986 and January 2020. By type: 2 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Nitrate (2 of them). EPA lists 2 as resolved 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. 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 |
|---|---|---|---|---|
| 2020-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 1994-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1986-06-30 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
All 3 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.
Sutton Hilltop Tesoro: frequently asked questions
Who runs Sutton Hilltop Tesoro?
Sutton Hilltop Tesoro (PWSID AK2226258) is a transient non-community water system privately owned. It is regulated by the AK state drinking water program.
How many people does Sutton Hilltop Tesoro serve?
Sutton Hilltop Tesoro reports serving 79 people through 1 service connection in Matanuska-Susitna Borough County, Alaska.
Where does Sutton Hilltop Tesoro 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 Sutton Hilltop Tesoro have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2020. 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 Sutton Hilltop Tesoro'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. EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2020. For current results, consult EPA ECHO, or the AK state drinking water program.
Where can I find Sutton Hilltop Tesoro's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Sutton Hilltop Tesoro is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
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, “Sutton Hilltop Tesoro, PWSID AK2226258, Alaska”, https://aquacensus.com/water-systems/alaska/sutton-hilltop-tesoro-ak2226258 (data as of October 1, 2026).