Public water system · MN1480008
ActivePrinceton
At a glance
Princeton (PWSID MN1480008) is an active community water system in Mille Lacs County, Minnesota. It reports serving 5,421 people through 1,789 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in December 1996.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
5,421
Service connections
1,789
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Princeton compare with other water systems in Mille Lacs County?
By EPA's size categories, Princeton is a medium system (3,301 to 10,000 people). Mille Lacs County has 91 active public water systems, and Princeton is the largest of them by population served. Its population served is about 25 times the county average of 221 people per system, and accounts for 27% 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 community water system reports serving 6,703 people, so Princeton is about 19% 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 Princeton?
EPA lists Princeton as owned by a local 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. 9 of the 91 active systems in Mille Lacs County (9.9%) are also owned by a local government.
Does Princeton have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in December 1996. The violations listed here began between October 1991 and December 1996. By type: 3 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 3 as archived. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 1996-12-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1994-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
| 1991-10-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 3 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.
Princeton: frequently asked questions
Who runs Princeton?
Princeton (PWSID MN1480008) is a community water system owned by a local government. It is regulated by the MN state drinking water program.
How many people does Princeton serve?
Princeton reports serving 5,421 people through 1,789 service connections in Mille Lacs County, Minnesota.
Where does Princeton 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 Princeton have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in December 1996. 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 Princeton'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 3 violations for this system; none is health-based, and the most recent began in December 1996. For current results, consult the system's annual water quality report, EPA ECHO, or the MN state drinking water program.
Where can I find Princeton's water quality report?
As a community water system, Princeton 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 Mille Lacs County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| 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 |
| Foreston | Mille Lacs | 340 | 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, “Princeton, PWSID MN1480008, Minnesota”, https://aquacensus.com/water-systems/minnesota/princeton-mn1480008 (data as of October 1, 2026).