Public water system · WI7441240
ActiveHiawatha Mh Est Old Office
At a glance
Hiawatha Mh Est Old Office (PWSID WI7441240) is an active community water system in Vilas County, Wisconsin. It reports serving 84 people through 60 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 11 violations for this system; none is health-based, and the most recent began in April 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
84
Service connections
60
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Hiawatha Mh Est Old Office compare with other water systems in Vilas County?
By EPA's size categories, Hiawatha Mh Est Old Office is a very small system (500 people or fewer). Vilas County has 460 active public water systems. Its population served is roughly in line with the county average of 91 people per system, and accounts for 0.2% 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 community water system reports serving 6,703 people, so Hiawatha Mh Est Old Office 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 Hiawatha Mh Est Old Office?
EPA lists Hiawatha Mh Est Old Office 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 Hiawatha Mh Est Old Office have drinking water violations?
EPA's records list 11 violations for this system; none is health-based, and the most recent began in April 2023. The violations listed here began between October 1992 and April 2023. By type: 6 monitoring and reporting, 3 monitoring and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 of them). EPA lists 11 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 |
|---|---|---|---|---|
| 2023-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2022-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2020-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2013-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2009-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2001-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1998-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1997-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1992-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 11 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.
Hiawatha Mh Est Old Office: frequently asked questions
Who runs Hiawatha Mh Est Old Office?
Hiawatha Mh Est Old Office (PWSID WI7441240) is a community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Hiawatha Mh Est Old Office serve?
Hiawatha Mh Est Old Office reports serving 84 people through 60 service connections in Vilas County, Wisconsin.
Where does Hiawatha Mh Est Old Office 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 Hiawatha Mh Est Old Office have any drinking water violations?
EPA's records list 11 violations for this system; none is health-based, and the most recent began in April 2023. 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 Hiawatha Mh Est Old Office'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 11 violations for this system; none is health-based, and the most recent began in April 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.
Where can I find Hiawatha Mh Est Old Office's water quality report?
As a community water system, Hiawatha Mh Est Old Office 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 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, “Hiawatha Mh Est Old Office, PWSID WI7441240, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/hiawatha-mh-est-old-office-wi7441240 (data as of October 1, 2026).