Public water system · WI6620007
ActiveOsseo Merchants Baseball Park
At a glance
Osseo Merchants Baseball Park (PWSID WI6620007) is an active transient non-community water system in Trempealeau 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 local government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in May 2004.
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 Osseo Merchants Baseball Park compare with other water systems in Trempealeau County?
By EPA's size categories, Osseo Merchants Baseball Park is a very small system (500 people or fewer). Trempealeau County has 77 active public water systems. Its population served is well below the county average of 259 people per system, and accounts for 0.1% of the 19,945 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 Osseo Merchants Baseball Park 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 Osseo Merchants Baseball Park?
EPA lists Osseo Merchants Baseball Park as owned by a local 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. 18 of the 77 active systems in Trempealeau County (23%) are also owned by a local government.
Does Osseo Merchants Baseball Park have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in May 2004. The violations listed here began between May 2001 and May 2004. By type: 3 monitoring and reporting. The contaminants or rules involved are Total coliform bacteria (TCR), Nitrate and Nitrite. 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 |
|---|---|---|---|---|
| 2004-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2004-05-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2001-05-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | 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.
Osseo Merchants Baseball Park: frequently asked questions
Who runs Osseo Merchants Baseball Park?
Osseo Merchants Baseball Park (PWSID WI6620007) is a transient non-community water system owned by a local government. It is regulated by the WI state drinking water program.
How many people does Osseo Merchants Baseball Park serve?
Osseo Merchants Baseball Park reports serving 25 people through 1 service connection in Trempealeau County, Wisconsin.
Where does Osseo Merchants Baseball Park 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 Osseo Merchants Baseball Park have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in May 2004. 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 Osseo Merchants Baseball Park'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 May 2004. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Osseo Merchants Baseball Park's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Osseo Merchants Baseball Park 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 Trempealeau County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Arcadia Waterworks | Trempealeau | 3,737 | Community | Groundwater |
| Trempealeau Waterworks | Trempealeau | 1,888 | Community | Groundwater |
| Whitehall Waterworks | Trempealeau | 1,820 | Community | Groundwater |
| Osseo Waterworks | Trempealeau | 1,701 | Community | Groundwater |
| Galesville Waterworks | Trempealeau | 1,679 | Community | Groundwater |
| Independence Waterworks | Trempealeau | 1,500 | 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, “Osseo Merchants Baseball Park, PWSID WI6620007, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/osseo-merchants-baseball-park-wi6620007 (data as of October 1, 2026).