Public water system · MN5480261
ActiveFather Hennepin State Park
At a glance
Father Hennepin State Park (PWSID MN5480261) is an active transient non-community water system in Mille Lacs County, Minnesota. It reports serving 200 people through 28 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 4 violations for this system; all are health-based, and the most recent began in August 2014.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
200
Service connections
28
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Father Hennepin State Park compare with other water systems in Mille Lacs County?
By EPA's size categories, Father Hennepin State Park is a very small system (500 people or fewer). Mille Lacs County has 91 active public water systems. Its population served is roughly in line with the county average of 221 people per system, and accounts for 1% of the 20,104 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 Father Hennepin State Park is about 39% above 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 Father Hennepin State Park?
EPA lists Father Hennepin State Park as owned by a state 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. 4 of the 91 active systems in Mille Lacs County (4.4%) are also owned by a state government.
Does Father Hennepin State Park have drinking water violations?
EPA's records list 4 violations for this system; all are health-based, and the most recent began in August 2014. The violations listed here began between January 1998 and August 2014. By type: 4 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2014-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2008-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2007-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1998-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 4 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.
Father Hennepin State Park: frequently asked questions
Who runs Father Hennepin State Park?
Father Hennepin State Park (PWSID MN5480261) is a transient non-community water system owned by a state government. It is regulated by the MN state drinking water program.
How many people does Father Hennepin State Park serve?
Father Hennepin State Park reports serving 200 people through 28 service connections in Mille Lacs County, Minnesota.
Where does Father Hennepin State 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 Father Hennepin State Park have any drinking water violations?
EPA's records list 4 violations for this system; all are health-based, and the most recent began in August 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 Father Hennepin State 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 4 violations for this system; all are health-based, and the most recent began in August 2014. For current results, consult EPA ECHO, or the MN state drinking water program.
Where can I find Father Hennepin State Park's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Father Hennepin State Park 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 Mille Lacs County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Princeton | Mille Lacs | 5,421 | Community | Groundwater |
| Milaca | Mille Lacs | 3,043 | Community | Groundwater |
| New Life Christian Center | Mille Lacs | 1,000 | Transient non-community | Groundwater |
| Onamia | Mille Lacs | 831 | Community | Groundwater |
| Isle | Mille Lacs | 820 | Community | Groundwater |
| Broberg'S Country Store | Mille Lacs | 500 | 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, “Father Hennepin State Park, PWSID MN5480261, Minnesota”, https://aquacensus.com/water-systems/minnesota/father-hennepin-state-park-mn5480261 (data as of October 1, 2026).