Public water system · WI8581157
ActiveOak Shores Lake Side Cabins
At a glance
Oak Shores Lake Side Cabins (PWSID WI8581157) is an active transient non-community water system in Sawyer 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 7 violations for this system; 2 are health-based, and the most recent began in May 2022.
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 Oak Shores Lake Side Cabins compare with other water systems in Sawyer County?
By EPA's size categories, Oak Shores Lake Side Cabins is a very small system (500 people or fewer). Sawyer County has 191 active public water systems. Its population served is about 64% below the county average of 70 people per system, and accounts for 0.2% of the 13,417 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 Oak Shores Lake Side Cabins 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 Oak Shores Lake Side Cabins?
EPA lists Oak Shores Lake Side Cabins 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. 175 of the 191 active systems in Sawyer County (92%) are also privately owned.
Does Oak Shores Lake Side Cabins have drinking water violations?
EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in May 2022. The violations listed here began between January 1994 and May 2022. By type: 2 public notice, recordkeeping or other, 2 contaminant level above the legal limit, 2 monitoring and reporting and 1 reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 6 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 |
|---|---|---|---|---|
| 2022-05-18 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2022-05-18 | ReportingReport Startup Procedures Cert Form (RTCR) · code 4C | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2006-07-21 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2006-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 2002-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1999-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1994-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
All 7 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.
Oak Shores Lake Side Cabins: frequently asked questions
Who runs Oak Shores Lake Side Cabins?
Oak Shores Lake Side Cabins (PWSID WI8581157) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Oak Shores Lake Side Cabins serve?
Oak Shores Lake Side Cabins reports serving 25 people through 1 service connection in Sawyer County, Wisconsin.
Where does Oak Shores Lake Side Cabins 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 Oak Shores Lake Side Cabins have any drinking water violations?
EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in May 2022. 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 Oak Shores Lake Side Cabins' 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 7 violations for this system; 2 are health-based, and the most recent began in May 2022. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Oak Shores Lake Side Cabins' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Oak Shores Lake Side Cabins 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 Sawyer County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Hayward Water Utility | Sawyer | 2,552 | Community | Groundwater |
| Winter Waterworks | Sawyer | 344 | Community | Groundwater |
| Grand Pines Motel | Sawyer | 300 | Transient non-community | Groundwater |
| Nelson Lake Lodge Office | Sawyer | 300 | Transient non-community | Groundwater |
| Big Bear Lodge | Sawyer | 250 | Transient non-community | Groundwater |
| Dock the | Sawyer | 250 | 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, “Oak Shores Lake Side Cabins, PWSID WI8581157, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/oak-shores-lake-side-cabins-wi8581157 (data as of October 1, 2026).