Public water system · WI8581273
ActiveBig Musky Resort
At a glance
Big Musky Resort (PWSID WI8581273) is an active community water system in Sawyer County, Wisconsin. It reports serving 25 people through 67 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2014.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
67
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Big Musky Resort compare with other water systems in Sawyer County?
By EPA's size categories, Big Musky Resort 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 community water system reports serving 6,703 people, so Big Musky Resort 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. Wisconsin has 1,053 active community water systems, 9.5% 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 Big Musky Resort?
EPA lists Big Musky Resort 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 Big Musky Resort have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2014. The violations listed here began between January 2000 and October 2014. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (9 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2014-10-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2014-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2014-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2014-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2014-02-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2013-12-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2013-11-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2013-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2013-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2000-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2000-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | 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.
Big Musky Resort: frequently asked questions
Who runs Big Musky Resort?
Big Musky Resort (PWSID WI8581273) is a community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Big Musky Resort serve?
Big Musky Resort reports serving 25 people through 67 service connections in Sawyer County, Wisconsin.
Where does Big Musky Resort 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 Big Musky Resort 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 October 2014. 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 Big Musky Resort'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 October 2014. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.
Where can I find Big Musky Resort's water quality report?
As a community water system, Big Musky Resort 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 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, “Big Musky Resort, PWSID WI8581273, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/big-musky-resort-wi8581273 (data as of October 1, 2026).