Public water system · WI8580535
ActiveS and J Wild River MHP
At a glance
S and J Wild River MHP (PWSID WI8580535) is an active community water system in Sawyer County, Wisconsin. It reports serving 90 people through 36 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, one is health-based, and the most recent began in November 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
90
Service connections
36
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does S and J Wild River MHP compare with other water systems in Sawyer County?
By EPA's size categories, S and J Wild River MHP is a very small system (500 people or fewer). Sawyer County has 191 active public water systems. Its population served is about 28% above the county average of 70 people per system, and accounts for 0.7% 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 S and J Wild River MHP 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 S and J Wild River MHP?
EPA lists S and J Wild River MHP 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 S and J Wild River MHP have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in November 2025. The violations listed here began between June 2022 and November 2025. By type: 6 monitoring, 5 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Revised Total Coliform Rule (6 of them). EPA lists 11 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 |
|---|---|---|---|---|
| 2025-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
| 2024-12-11 | Required treatment not metPublic Education · code 65 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 2024-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-03-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-10-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2023-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2022-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-06-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2022-06-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | 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.
S and J Wild River MHP: frequently asked questions
Who runs S and J Wild River MHP?
S and J Wild River MHP (PWSID WI8580535) is a community water system privately owned. It is regulated by the WI state drinking water program.
How many people does S and J Wild River MHP serve?
S and J Wild River MHP reports serving 90 people through 36 service connections in Sawyer County, Wisconsin.
Where does S and J Wild River MHP 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 S and J Wild River MHP have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in November 2025. 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 S and J Wild River MHP'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, one is health-based, and the most recent began in November 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.
Where can I find S and J Wild River MHP's water quality report?
As a community water system, S and J Wild River MHP 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, “S and J Wild River MHP, PWSID WI8580535, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/s-and-j-wild-river-mhp-wi8580535 (data as of October 1, 2026).