Public water system · MN1170005
ActiveWestbrook
At a glance
Westbrook (PWSID MN1170005) is an active community water system in Cottonwood County, Minnesota. It reports serving 785 people through 425 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in July 2014.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
785
Service connections
425
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Westbrook compare with other water systems in Cottonwood County?
By EPA's size categories, Westbrook is a small system (501 to 3,300 people). Cottonwood County has 11 active public water systems, and Westbrook is the 4th-largest of them by population served. Its population served is about 39% below the county average of 1,288 people per system, and accounts for 5.5% of the 14,164 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 Westbrook 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 Westbrook?
EPA lists Westbrook 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. 8 of the 11 active systems in Cottonwood County (73%) are also owned by a local government.
Does Westbrook have drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in July 2014. The violations listed here began between April 2001 and July 2014. By type: 1 monitoring and reporting and 1 contaminant level above the legal limit. The contaminants or rules involved are Chlorine and Nitrite. EPA lists 2 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 |
|---|---|---|---|---|
| 2014-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2001-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Nitritecode 1041 | Yes | Resolved |
All 2 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.
Westbrook: frequently asked questions
Who runs Westbrook?
Westbrook (PWSID MN1170005) is a community water system owned by a local government. It is regulated by the MN state drinking water program.
How many people does Westbrook serve?
Westbrook reports serving 785 people through 425 service connections in Cottonwood County, Minnesota.
Where does Westbrook 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 Westbrook have any drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in July 2014. 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 Westbrook'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 2 violations for this system; 1 is health-based, and the most recent began in July 2014. For current results, consult the system's annual water quality report, EPA ECHO, or the MN state drinking water program.
Where can I find Westbrook's water quality report?
As a community water system, Westbrook 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 Cottonwood County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Red Rock Rural Water System | Cottonwood | 5,840 | Community | Groundwater |
| Windom | Cottonwood | 4,646 | Community | Groundwater |
| Mountain Lake | Cottonwood | 2,018 | Community | Groundwater |
| Jeffers | Cottonwood | 369 | Community | Purchased groundwater |
| Storden | Cottonwood | 215 | Community | Purchased groundwater |
| Bingham Lake | Cottonwood | 128 | Community | Purchased 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, “Westbrook, PWSID MN1170005, Minnesota”, https://aquacensus.com/water-systems/minnesota/westbrook-mn1170005 (data as of October 1, 2026).