Public water system · WI8160145
ActiveManitou Falls Sanitary District No 1
At a glance
Manitou Falls Sanitary District No 1 (PWSID WI8160145) is an active community water system in Douglas County, Wisconsin. It reports serving 95 people through 35 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, 2 are health-based, and the most recent began in March 2026.
This page covers its drinking water system only; sewer and wastewater service are not part of EPA's drinking water records.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
95
Service connections
35
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Manitou Falls Sanitary District No 1 compare with other water systems in Douglas County?
By EPA's size categories, Manitou Falls Sanitary District No 1 is a very small system (500 people or fewer). Douglas County has 188 active public water systems. Its population served is about half of the county average of 184 people per system, and accounts for 0.3% of the 34,606 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 Manitou Falls Sanitary District No 1 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 Manitou Falls Sanitary District No 1?
EPA lists Manitou Falls Sanitary District No 1 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. 150 of the 188 active systems in Douglas County (80%) are also privately owned.
Does Manitou Falls Sanitary District No 1 have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in March 2026. The violations listed here began between February 2025 and March 2026. By type: 5 public notice, recordkeeping or other, 5 monitoring and reporting and 2 required treatment not met. The contaminant or rule involved most often is E. coli (4 of them). EPA lists 11 as unaddressed and 1 as resolved. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. 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 |
|---|---|---|---|---|
| 2026-03-21 | Public notice, recordkeeping or otherNotification, State · code 05 | Groundwater Rulecode 0700 | No | Unaddressed |
| 2026-01-14 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Unaddressed |
| 2025-12-24 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Unaddressed |
| 2025-12-10 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Unaddressed |
| 2025-10-15 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Unaddressed |
| 2025-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2025-03-26 | Required treatment not metOCCT/SOWT Study/Recommendation · code 57 | Lead and Copper Rulecode 5000 | Yes | Unaddressed |
| 2025-03-26 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2025-03-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2025-02-10 | Required treatment not metTreatment Technique, Level 1 Assessment (RTCR) · code 2A | Revised Total Coliform Rulecode 8000 | Yes | 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.
Manitou Falls Sanitary District No 1: frequently asked questions
Who runs Manitou Falls Sanitary District No 1?
Manitou Falls Sanitary District No 1 (PWSID WI8160145) is a community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Manitou Falls Sanitary District No 1 serve?
Manitou Falls Sanitary District No 1 reports serving 95 people through 35 service connections in Douglas County, Wisconsin.
Where does Manitou Falls Sanitary District No 1 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 Manitou Falls Sanitary District No 1 have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in March 2026. 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 Manitou Falls Sanitary District No 1'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, 2 are health-based, and the most recent began in March 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.
Where can I find Manitou Falls Sanitary District No 1's water quality report?
As a community water system, Manitou Falls Sanitary District No 1 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 Douglas County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Superior Water Light & Power Company | Douglas | 26,084 | Community | Surface water |
| Northwestern Elementary and Middle School | Douglas | 890 | Non-transient non-community | Groundwater |
| Northwestern High School | Douglas | 448 | Non-transient non-community | Groundwater |
| Solon Springs School | Douglas | 375 | Non-transient non-community | Groundwater |
| Four Corners Elementary School | Douglas | 300 | Non-transient non-community | Groundwater |
| Parkland Town Hall | Douglas | 230 | 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, “Manitou Falls Sanitary District No 1, PWSID WI8160145, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/manitou-falls-sanitary-district-no-1-wi8160145 (data as of October 1, 2026).