Public water system · MN1660004
ActiveMillstone Creek Mobile Home Park
At a glance
Millstone Creek Mobile Home Park (PWSID MN1660004) is an active community water system in Rice County, Minnesota. It reports serving 90 people through 30 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in January 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
90
Service connections
30
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Millstone Creek Mobile Home Park compare with other water systems in Rice County?
By EPA's size categories, Millstone Creek Mobile Home Park is a very small system (500 people or fewer). Rice County has 70 active public water systems. Its population served is well below the county average of 925 people per system, and accounts for 0.1% of the 64,781 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 Millstone Creek Mobile Home Park 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 Millstone Creek Mobile Home Park?
EPA lists Millstone Creek Mobile Home Park 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. 59 of the 70 active systems in Rice County (84%) are also privately owned.
Does Millstone Creek Mobile Home Park have drinking water violations?
EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in January 2022. The violations listed here began between July 1991 and January 2022. By type: 3 monitoring and reporting and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Combined Radium (-226 and -228) (2 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Archived |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
| 1999-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Gross alpha (excluding radon and uranium)code 4000 | Yes | Resolved |
| 1999-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Combined Radium (-226 and -228)code 4010 | Yes | Resolved |
| 1991-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
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.
Millstone Creek Mobile Home Park: frequently asked questions
Who runs Millstone Creek Mobile Home Park?
Millstone Creek Mobile Home Park (PWSID MN1660004) is a community water system privately owned. It is regulated by the MN state drinking water program.
How many people does Millstone Creek Mobile Home Park serve?
Millstone Creek Mobile Home Park reports serving 90 people through 30 service connections in Rice County, Minnesota.
Where does Millstone Creek Mobile Home 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 Millstone Creek Mobile Home Park have any drinking water violations?
EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in January 2022. 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 Millstone Creek Mobile Home 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; 2 are health-based, and the most recent began in January 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the MN state drinking water program.
Where can I find Millstone Creek Mobile Home Park's water quality report?
As a community water system, Millstone Creek Mobile Home Park 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 Rice County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Faribault | Rice | 23,718 | Community | Groundwater |
| Northfield | Rice | 20,790 | Community | Groundwater |
| Lonsdale | Rice | 3,913 | Community | Groundwater |
| Flying J #576 | Rice | 2,500 | Transient non-community | Groundwater |
| Carleton College | Rice | 2,485 | Community | Groundwater |
| Mn Correctional Facility - Faribault | Rice | 2,103 | 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, “Millstone Creek Mobile Home Park, PWSID MN1660004, Minnesota”, https://aquacensus.com/water-systems/minnesota/millstone-creek-mobile-home-park-mn1660004 (data as of October 1, 2026).