Public water system · WI7640964
ActiveStar Lake Store
At a glance
Star Lake Store (PWSID WI7640964) is an active transient non-community water system in Vilas County, Wisconsin. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; all are health-based, and the most recent began in May 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Star Lake Store compare with other water systems in Vilas County?
By EPA's size categories, Star Lake Store is a very small system (500 people or fewer). Vilas County has 460 active public water systems. Its population served is well below the county average of 91 people per system, and accounts for less than 0.1% of the 42,009 people reported by systems filed under the county. Across Wisconsin, the 11,056 active systems average 469 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Star Lake Store is well 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. Wisconsin has 9,112 active transient non-community water systems, 82% of the state's 11,056 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 10,978 Wisconsin systems (99%) list groundwater as their primary source.
Who owns and regulates Star Lake Store?
EPA lists Star Lake Store as privately owned. The WI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 377 of the 460 active systems in Vilas County (82%) are also privately owned.
Does Star Lake Store have drinking water violations?
EPA's records list 2 violations for this system; all are health-based, and the most recent began in May 2017. The violations listed here began between April 2017 and May 2017. By type: 2 required treatment not met. The contaminants or rules involved are Revised Total Coliform Rule and Groundwater Rule. EPA lists 2 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 |
|---|---|---|---|---|
| 2017-05-08 | Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2D | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2017-04-02 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
All 2 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.
Star Lake Store: frequently asked questions
Who runs Star Lake Store?
Star Lake Store (PWSID WI7640964) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Star Lake Store serve?
Star Lake Store reports serving 25 people through 1 service connection in Vilas County, Wisconsin.
Where does Star Lake Store 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 Star Lake Store have any drinking water violations?
EPA's records list 2 violations for this system; all are health-based, and the most recent began in May 2017. 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 Star Lake Store'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 2 violations for this system; all are health-based, and the most recent began in May 2017. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Star Lake Store's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Star Lake Store 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 Vilas County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Eagle River Waterworks | Vilas | 1,530 | Community | Groundwater |
| Arbor Vitae Woodruff El Sch | Vilas | 575 | Non-transient non-community | Groundwater |
| Phelps Sanitary District | Vilas | 550 | Community | Groundwater |
| Wi Dnr Crystal Lk Shower | Vilas | 540 | Transient non-community | Groundwater |
| Land O Lakes Sanitary Dist | Vilas | 450 | Community | Groundwater |
| Camp Ramah Office | Vilas | 400 | Transient non-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, “Star Lake Store, PWSID WI7640964, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/star-lake-store-wi7640964 (data as of October 1, 2026).