Public water system · MN1520006
ActiveSaint Peter
At a glance
Saint Peter (PWSID MN1520006) is an active community water system in Nicollet County, Minnesota. It reports serving 12,198 people through 3,334 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
12,198
Service connections
3,334
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Saint Peter compare with other water systems in Nicollet County?
By EPA's size categories, Saint Peter is a large system (10,001 to 100,000 people). Nicollet County has 26 active public water systems, and Saint Peter is the 2nd-largest of them by population served. Its population served is about 10 times the county average of 1,206 people per system, and accounts for 39% of the 31,366 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 Saint Peter is about 82% above 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 Saint Peter?
EPA lists Saint Peter 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. 6 of the 26 active systems in Nicollet County (23%) are also owned by a local government.
Does Saint Peter have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Saint Peter. For the latest compliance status, check EPA ECHO for current compliance history.
Saint Peter: frequently asked questions
Who runs Saint Peter?
Saint Peter (PWSID MN1520006) is a community water system owned by a local government. It is regulated by the MN state drinking water program.
How many people does Saint Peter serve?
Saint Peter reports serving 12,198 people through 3,334 service connections in Nicollet County, Minnesota.
Where does Saint Peter 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 Saint Peter have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Saint Peter'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 Safe Drinking Water Act records list no violations for this system. For current results, consult the system's annual water quality report, EPA ECHO, or the MN state drinking water program.
Where can I find Saint Peter's water quality report?
As a community water system, Saint Peter 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 Nicollet County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| North Mankato | Nicollet | 14,448 | Community | Groundwater |
| Nicollet | Nicollet | 1,117 | Community | Groundwater |
| Courtland | Nicollet | 635 | Community | Groundwater |
| Lafayette | Nicollet | 504 | Community | Groundwater |
| Scandian Grove Lutheran Church | Nicollet | 400 | Transient non-community | Groundwater |
| Minnesota Valley Lutheran High School | Nicollet | 300 | Non-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, “Saint Peter, PWSID MN1520006, Minnesota”, https://aquacensus.com/water-systems/minnesota/saint-peter-mn1520006 (data as of October 1, 2026).