Public water system · MN5850363
ActivePrairie Island Campground
At a glance
Prairie Island Campground (PWSID MN5850363) is an active transient non-community water system in Winona County, Minnesota. It reports serving 120 people through 200 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is health-based, and the most recent began in May 2015.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
120
Service connections
200
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Prairie Island Campground compare with other water systems in Winona County?
By EPA's size categories, Prairie Island Campground is a very small system (500 people or fewer). Winona County has 77 active public water systems. Its population served is well below the county average of 666 people per system, and accounts for 0.2% of the 51,279 people reported by systems filed under the county. Across Minnesota, the 6,465 active systems average 820 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Prairie Island Campground is about 17% 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. Minnesota has 5,008 active transient non-community water systems, 77% of the state's 6,465 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,261 Minnesota systems (97%) list groundwater as their primary source.
Who owns and regulates Prairie Island Campground?
EPA lists Prairie Island Campground as privately owned. The MN state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 55 of the 77 active systems in Winona County (71%) are also privately owned.
Does Prairie Island Campground have drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in May 2015. By type: 1 contaminant level above the legal limit. The contaminant or rule involved is Total coliform bacteria (TCR). EPA lists 1 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 |
|---|---|---|---|---|
| 2015-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
The one violation in EPA's records.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.
Prairie Island Campground: frequently asked questions
Who runs Prairie Island Campground?
Prairie Island Campground (PWSID MN5850363) is a transient non-community water system privately owned. It is regulated by the MN state drinking water program.
How many people does Prairie Island Campground serve?
Prairie Island Campground reports serving 120 people through 200 service connections in Winona County, Minnesota.
Where does Prairie Island Campground 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 Prairie Island Campground have any drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in May 2015. 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 Prairie Island Campground'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 one violation for this system; it is health-based, and the most recent began in May 2015. For current results, consult EPA ECHO, or the MN state drinking water program.
Where can I find Prairie Island Campground's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Prairie Island Campground 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 Winona County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Winona | Winona | 27,782 | Community | Groundwater |
| Goodview | Winona | 4,158 | Community | Groundwater |
| Saint Charles | Winona | 3,825 | Community | Groundwater |
| Kwik Trip No. 497 | Winona | 1,600 | Transient non-community | Groundwater |
| Lewiston | Winona | 1,512 | Community | Groundwater |
| Enterprise Rest Area Mndot | Winona | 1,220 | 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, “Prairie Island Campground, PWSID MN5850363, Minnesota”, https://aquacensus.com/water-systems/minnesota/prairie-island-campground-mn5850363 (data as of October 1, 2026).