Public water system · MN1130023
ActivePreserve at Birch Lake
At a glance
Preserve at Birch Lake (PWSID MN1130023) is an active community water system in Chisago County, Minnesota. It reports serving 388 people through 97 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is health-based, and the most recent began in January 2016.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
388
Service connections
97
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Preserve at Birch Lake compare with other water systems in Chisago County?
By EPA's size categories, Preserve at Birch Lake is a very small system (500 people or fewer). Chisago County has 104 active public water systems. Its population served is roughly in line with the county average of 406 people per system, and accounts for 0.9% of the 42,180 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 Preserve at Birch Lake 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 Preserve at Birch Lake?
EPA lists Preserve at Birch Lake 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. 84 of the 104 active systems in Chisago County (81%) are also privately owned.
Does Preserve at Birch Lake have drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in January 2016. By type: 1 contaminant level above the legal limit. The contaminant or rule involved is Total coliform bacteria (TCR). EPA lists 1 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 |
|---|---|---|---|---|
| 2016-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
The one violation in EPA's records.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.
Preserve at Birch Lake: frequently asked questions
Who runs Preserve at Birch Lake?
Preserve at Birch Lake (PWSID MN1130023) is a community water system privately owned. It is regulated by the MN state drinking water program.
How many people does Preserve at Birch Lake serve?
Preserve at Birch Lake reports serving 388 people through 97 service connections in Chisago County, Minnesota.
Where does Preserve at Birch Lake 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 Preserve at Birch Lake have any drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in January 2016. 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 Preserve at Birch Lake'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 one violation for this system; it is health-based, and the most recent began in January 2016. For current results, consult the system's annual water quality report, EPA ECHO, or the MN state drinking water program.
Where can I find Preserve at Birch Lake's water quality report?
As a community water system, Preserve at Birch Lake 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 Chisago County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| North Branch | Chisago | 6,863 | Community | Groundwater |
| Lindstrom | Chisago | 4,938 | Community | Groundwater |
| Wyoming | Chisago | 3,990 | Community | Groundwater |
| Chisago City | Chisago | 3,745 | Community | Groundwater |
| Rush City | Chisago | 3,339 | Community | Groundwater |
| Interstate State Park | Chisago | 2,000 | Transient non-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, “Preserve at Birch Lake, PWSID MN1130023, Minnesota”, https://aquacensus.com/water-systems/minnesota/preserve-at-birch-lake-mn1130023 (data as of October 1, 2026).