Public water system · MN1560035
ActiveStony Bar Estates
At a glance
Stony Bar Estates (PWSID MN1560035) is an active community water system in Otter Tail County, Minnesota. It reports serving 40 people through 22 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
40
Service connections
22
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Stony Bar Estates compare with other water systems in Otter Tail County?
By EPA's size categories, Stony Bar Estates is a very small system (500 people or fewer). Otter Tail County has 270 active public water systems. Its population served is well below the county average of 164 people per system, and accounts for less than 0.1% 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 Stony Bar Estates 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 Stony Bar Estates?
EPA lists Stony Bar Estates 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. 239 of the 270 active systems in Otter Tail County (89%) are also privately owned.
Does Stony Bar Estates have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 2025. The violations listed here began between April 2008 and October 2025. By type: 2 monitoring and reporting and 1 monitoring. The contaminants or rules involved are Cyanide, Revised Total Coliform Rule and Total coliform bacteria (TCR). EPA lists 2 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cyanidecode 1024 | No | Archived |
| 2025-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2008-04-01 | 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.
Stony Bar Estates: frequently asked questions
Who runs Stony Bar Estates?
Stony Bar Estates (PWSID MN1560035) is a community water system privately owned. It is regulated by the MN state drinking water program.
How many people does Stony Bar Estates serve?
Stony Bar Estates reports serving 40 people through 22 service connections in Otter Tail County, Minnesota.
Where does Stony Bar Estates 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 Stony Bar Estates 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 2025. 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 Stony Bar Estates' 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 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the MN state drinking water program.
Where can I find Stony Bar Estates' water quality report?
As a community water system, Stony Bar Estates 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, “Stony Bar Estates, PWSID MN1560035, Minnesota”, https://aquacensus.com/water-systems/minnesota/stony-bar-estates-mn1560035 (data as of October 1, 2026).