Public water system · MN1820002
ActiveMn Correctional Facility - Stillwater
At a glance
Mn Correctional Facility - Stillwater (PWSID MN1820002) is an active community water system in Washington County, Minnesota. It reports serving 781 people through 34 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; none is health-based, and the most recent began in November 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
781
Service connections
34
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Mn Correctional Facility - Stillwater compare with other water systems in Washington County?
By EPA's size categories, Mn Correctional Facility - Stillwater is a small system (501 to 3,300 people). Washington County has 192 active public water systems. Its population served is about 43% below the county average of 1,376 people per system, and accounts for 0.3% of the 264,205 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 Mn Correctional Facility - Stillwater 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 Mn Correctional Facility - Stillwater?
EPA lists Mn Correctional Facility - Stillwater 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. 149 of the 192 active systems in Washington County (78%) are also privately owned.
Does Mn Correctional Facility - Stillwater have drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in November 2018. The violations listed here began between August 1991 and November 2018. By type: 5 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 4 as archived and 2 as resolved. 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. 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 |
|---|---|---|---|---|
| 2018-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2000-12-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2000-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1996-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1991-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 6 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.
Mn Correctional Facility - Stillwater: frequently asked questions
Who runs Mn Correctional Facility - Stillwater?
Mn Correctional Facility - Stillwater (PWSID MN1820002) is a community water system privately owned. It is regulated by the MN state drinking water program.
How many people does Mn Correctional Facility - Stillwater serve?
Mn Correctional Facility - Stillwater reports serving 781 people through 34 service connections in Washington County, Minnesota.
Where does Mn Correctional Facility - Stillwater 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 Mn Correctional Facility - Stillwater have any drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in November 2018. 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 Mn Correctional Facility - Stillwater'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 6 violations for this system; none is health-based, and the most recent began in November 2018. For current results, consult the system's annual water quality report, EPA ECHO, or the MN state drinking water program.
Where can I find Mn Correctional Facility - Stillwater's water quality report?
As a community water system, Mn Correctional Facility - Stillwater 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 Washington County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Woodbury | Washington | 82,643 | Community | Groundwater |
| Cottage Grove | Washington | 42,760 | Community | Groundwater |
| Oakdale | Washington | 30,144 | Community | Groundwater |
| Stillwater | Washington | 19,462 | Community | Groundwater |
| Hugo | Washington | 12,047 | Community | Groundwater |
| Forest Lake | Washington | 11,800 | 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, “Mn Correctional Facility - Stillwater, PWSID MN1820002, Minnesota”, https://aquacensus.com/water-systems/minnesota/mn-correctional-facility-stillwater-mn1820002 (data as of October 1, 2026).