Public water system · MN5560639
ActiveMaplewood State Park
At a glance
Maplewood State Park (PWSID MN5560639) is an active transient non-community water system in Otter Tail County, Minnesota. It reports serving 75 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 5 violations for this system; all are health-based, and the most recent began in May 2015.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
75
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Maplewood State Park compare with other water systems in Otter Tail County?
By EPA's size categories, Maplewood State Park is a very small system (500 people or fewer). Otter Tail County has 270 active public water systems. Its population served is about half of the county average of 164 people per system, and accounts for 0.2% of the 44,181 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 Maplewood State Park is about half of 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 Maplewood State Park?
EPA lists Maplewood State Park as owned by a state government. 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. 4 of the 270 active systems in Otter Tail County (1.5%) are also owned by a state government.
Does Maplewood State Park have drinking water violations?
EPA's records list 5 violations for this system; all are health-based, and the most recent began in May 2015. The violations listed here began between May 2005 and May 2015. By type: 5 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 5 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 |
| 2013-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2007-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2006-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2005-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 5 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.
Maplewood State Park: frequently asked questions
Who runs Maplewood State Park?
Maplewood State Park (PWSID MN5560639) is a transient non-community water system owned by a state government. It is regulated by the MN state drinking water program.
How many people does Maplewood State Park serve?
Maplewood State Park reports serving 75 people through 1 service connection in Otter Tail County, Minnesota.
Where does Maplewood State 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 Maplewood State Park have any drinking water violations?
EPA's records list 5 violations for this system; all are 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 Maplewood State 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 5 violations for this system; all are 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 Maplewood State Park's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Maplewood State 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 Otter Tail County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Fergus Falls | Otter Tail | 14,194 | Community | Surface water |
| Perham | Otter Tail | 3,421 | Community | Groundwater |
| Pelican Rapids | Otter Tail | 2,577 | Community | Groundwater |
| New York Mills | Otter Tail | 1,287 | Community | Groundwater |
| Parkers Prairie | Otter Tail | 1,023 | Community | Groundwater |
| Battle Lake | Otter Tail | 918 | 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, “Maplewood State Park, PWSID MN5560639, Minnesota”, https://aquacensus.com/water-systems/minnesota/maplewood-state-park-mn5560639 (data as of October 1, 2026).