Public water system · AK2240977
ActiveHilcorp Tyonek Platform
At a glance
Hilcorp Tyonek Platform (PWSID AK2240977) is an active transient non-community water system in Kenai Peninsula Borough County, Alaska. It reports serving 50 people through 2 service connections. Its primary water source is purchased groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in April 2016.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
50
Service connections
2
Primary source
GWP
Purchased groundwater
System type
TNCWS
Transient non-community water system
System record
How does Hilcorp Tyonek Platform compare with other water systems in Kenai Peninsula Borough County?
By EPA's size categories, Hilcorp Tyonek Platform is a very small system (500 people or fewer). Kenai Peninsula Borough County has 205 active public water systems. Its population served is well below the county average of 233 people per system, and accounts for 0.1% of the 47,686 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 Hilcorp Tyonek Platform is about 65% below 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. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 23 Alaska systems (1.7%) list purchased groundwater as their primary source.
Who owns and regulates Hilcorp Tyonek Platform?
EPA lists Hilcorp Tyonek Platform 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. 158 of the 205 active systems in Kenai Peninsula Borough County (77%) are also privately owned.
Does Hilcorp Tyonek Platform have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in April 2016. By type: 1 public notice, recordkeeping or other. The contaminant or rule involved is Revised Total Coliform Rule. EPA lists 1 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 |
|---|---|---|---|---|
| 2016-04-01 | Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5A | Revised Total Coliform Rulecode 8000 | No | Resolved |
The one violation in EPA's records.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.
Hilcorp Tyonek Platform: frequently asked questions
Who runs Hilcorp Tyonek Platform?
Hilcorp Tyonek Platform (PWSID AK2240977) is a transient non-community water system privately owned. It is regulated by the AK state drinking water program.
How many people does Hilcorp Tyonek Platform serve?
Hilcorp Tyonek Platform reports serving 50 people through 2 service connections in Kenai Peninsula Borough County, Alaska.
Where does Hilcorp Tyonek Platform get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Hilcorp Tyonek Platform have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in April 2016. 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 Hilcorp Tyonek Platform'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 one violation for this system; it is not health-based, and the most recent began in April 2016. For current results, consult EPA ECHO, or the AK state drinking water program.
Where can I find Hilcorp Tyonek Platform's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Hilcorp Tyonek Platform 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 Kenai Peninsula Borough County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Homer Water System | Kenai Peninsula Borough | 7,008 | Community | Surface water |
| Kenai Water System | Kenai Peninsula Borough | 5,700 | Community | Groundwater |
| Soldotna | Kenai Peninsula Borough | 4,807 | Community | Groundwater |
| Seward | Kenai Peninsula Borough | 3,324 | Community | Groundwater |
| Usnps Exit Glacier Nature Center | Kenai Peninsula Borough | 1,500 | Transient non-community | Groundwater |
| Anchor Point Safe Water Corporation | Kenai Peninsula Borough | 1,000 | 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, “Hilcorp Tyonek Platform, PWSID AK2240977, Alaska”, https://aquacensus.com/water-systems/alaska/hilcorp-tyonek-platform-ak2240977 (data as of October 1, 2026).