Public water system · WI8020541
ActiveWi Dnr Big Bay Park Visitors Entrance Office
At a glance
Wi Dnr Big Bay Park Visitors Entrance Office (PWSID WI8020541) is an active transient non-community water system in Ashland County, Wisconsin. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 2005.
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 Wi Dnr Big Bay Park Visitors Entrance Office compare with other water systems in Ashland County?
By EPA's size categories, Wi Dnr Big Bay Park Visitors Entrance Office is a very small system (500 people or fewer). Ashland County has 82 active public water systems. Its population served is well below the county average of 151 people per system, and accounts for 0.2% of the 12,416 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 Wi Dnr Big Bay Park Visitors Entrance Office 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 Wi Dnr Big Bay Park Visitors Entrance Office?
EPA lists Wi Dnr Big Bay Park Visitors Entrance Office as owned by a state government. 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. 5 of the 82 active systems in Ashland County (6.1%) are also owned by a state government.
Does Wi Dnr Big Bay Park Visitors Entrance Office have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 2005. The violations listed here began between July 2000 and October 2005. By type: 2 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 2005-10-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2005-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2000-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 3 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.
Wi Dnr Big Bay Park Visitors Entrance Office: frequently asked questions
Who runs Wi Dnr Big Bay Park Visitors Entrance Office?
Wi Dnr Big Bay Park Visitors Entrance Office (PWSID WI8020541) is a transient non-community water system owned by a state government. It is regulated by the WI state drinking water program.
How many people does Wi Dnr Big Bay Park Visitors Entrance Office serve?
Wi Dnr Big Bay Park Visitors Entrance Office reports serving 25 people through 1 service connection in Ashland County, Wisconsin.
Where does Wi Dnr Big Bay Park Visitors Entrance 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 Wi Dnr Big Bay Park Visitors Entrance Office have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 2005. 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 Wi Dnr Big Bay Park Visitors Entrance 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 3 violations for this system; none is health-based, and the most recent began in October 2005. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Wi Dnr Big Bay Park Visitors Entrance Office's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Wi Dnr Big Bay Park Visitors Entrance Office 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 Ashland County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Ashland Water Utility | Ashland | 8,000 | Community | Surface water |
| Glidden Sanitary District | Ashland | 750 | Community | Groundwater |
| Mellen Water Utility | Ashland | 731 | Community | Groundwater |
| Butternut Waterworks | Ashland | 283 | Community | Groundwater |
| Marengo Valley School | Ashland | 220 | Non-transient non-community | Groundwater |
| Hartzell Subdivision - Abbey Lane | Ashland | 115 | 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, “Wi Dnr Big Bay Park Visitors Entrance Office, PWSID WI8020541, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/wi-dnr-big-bay-park-visitors-entrance-office-wi8020541 (data as of October 1, 2026).