Public water system · MN1560026
ActiveUnderwood
At a glance
Underwood (PWSID MN1560026) is an active community water system in Otter Tail County, Minnesota. It reports serving 380 people through 213 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
380
Service connections
213
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Underwood compare with other water systems in Otter Tail County?
By EPA's size categories, Underwood is a very small system (500 people or fewer). Otter Tail County has 270 active public water systems. Its population served is about 132% above the county average of 164 people per system, and accounts for 0.9% 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 community water system reports serving 6,703 people, so Underwood 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. Minnesota has 987 active community water systems, 15% 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 Underwood?
EPA lists Underwood as owned by a local 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. 27 of the 270 active systems in Otter Tail County (10%) are also owned by a local government.
Does Underwood have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Underwood. For the latest compliance status, check EPA ECHO for current compliance history.
Underwood: frequently asked questions
Who runs Underwood?
Underwood (PWSID MN1560026) is a community water system owned by a local government. It is regulated by the MN state drinking water program.
How many people does Underwood serve?
Underwood reports serving 380 people through 213 service connections in Otter Tail County, Minnesota.
Where does Underwood 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 Underwood have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Underwood'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 Safe Drinking Water Act records list no violations for this system. For current results, consult the system's annual water quality report, EPA ECHO, or the MN state drinking water program.
Where can I find Underwood's water quality report?
As a community water system, Underwood 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 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, “Underwood, PWSID MN1560026, Minnesota”, https://aquacensus.com/water-systems/minnesota/underwood-mn1560026 (data as of October 1, 2026).