Public water system · MN5181094
ActiveInterlachen
At a glance
Interlachen (PWSID MN5181094) is an active transient non-community water system in Crow Wing County, Minnesota. It reports serving 50 people through 24 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 not health-based, and the most recent began in January 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
50
Service connections
24
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Interlachen compare with other water systems in Crow Wing County?
By EPA's size categories, Interlachen is a very small system (500 people or fewer). Crow Wing County has 376 active public water systems. Its population served is well below the county average of 210 people per system, and accounts for less than 0.1% of the 78,756 people reported by systems filed under the county. Across Minnesota, the 6,465 active systems average 820 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Interlachen is about 65% below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Minnesota has 5,008 active transient non-community water systems, 77% 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 Interlachen?
EPA lists Interlachen 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. 350 of the 376 active systems in Crow Wing County (93%) are also privately owned.
Does Interlachen have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2018. By type: 1 monitoring. The contaminant or rule involved is Revised Total Coliform Rule. 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 |
|---|---|---|---|---|
| 2018-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | 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.
Interlachen: frequently asked questions
Who runs Interlachen?
Interlachen (PWSID MN5181094) is a transient non-community water system privately owned. It is regulated by the MN state drinking water program.
How many people does Interlachen serve?
Interlachen reports serving 50 people through 24 service connections in Crow Wing County, Minnesota.
Where does Interlachen 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 Interlachen have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in January 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 Interlachen'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 not health-based, and the most recent began in January 2018. For current results, consult EPA ECHO, or the MN state drinking water program.
Where can I find Interlachen's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Interlachen is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Crow Wing County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Brainerd | Crow Wing | 14,670 | Community | Groundwater |
| Baxter | Crow Wing | 9,341 | Community | Groundwater |
| Crosby | Crow Wing | 2,377 | Community | Groundwater |
| Pequot Lakes | Crow Wing | 1,200 | Community | Groundwater |
| Goodwill Crosslake | Crow Wing | 900 | Transient non-community | Groundwater |
| North Central Speedway | Crow Wing | 900 | 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, “Interlachen, PWSID MN5181094, Minnesota”, https://aquacensus.com/water-systems/minnesota/interlachen-mn5181094 (data as of October 1, 2026).