Public water system · MN1070017
ActiveSaint Clair
At a glance
Saint Clair (PWSID MN1070017) is an active community water system in Blue Earth County, Minnesota. It reports serving 846 people through 288 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2015.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
846
Service connections
288
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Saint Clair compare with other water systems in Blue Earth County?
By EPA's size categories, Saint Clair is a small system (501 to 3,300 people). Blue Earth County has 63 active public water systems, and Saint Clair is the 6th-largest of them by population served. Its population served is roughly in line with the county average of 931 people per system, and accounts for 1.4% of the 58,656 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 Clair 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 Saint Clair?
EPA lists Saint Clair 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. 17 of the 63 active systems in Blue Earth County (27%) are also owned by a local government.
Does Saint Clair 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 2015. By type: 1 monitoring and reporting. The contaminant or rule involved is Lead and Copper 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 |
|---|---|---|---|---|
| 2015-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | 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.
Saint Clair: frequently asked questions
Who runs Saint Clair?
Saint Clair (PWSID MN1070017) 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 Clair serve?
Saint Clair reports serving 846 people through 288 service connections in Blue Earth County, Minnesota.
Where does Saint Clair 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 Clair 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 2015. 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 Saint Clair'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 2015. 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 Clair's water quality report?
As a community water system, Saint Clair 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 Blue Earth County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Mankato | Blue Earth | 42,803 | Community | Groundwater under influence of surface water |
| Eagle Lake | Blue Earth | 3,268 | Community | Groundwater |
| Lake Crystal | Blue Earth | 2,554 | Community | Groundwater |
| Mapleton | Blue Earth | 1,756 | Community | Groundwater |
| Madison Lake | Blue Earth | 1,017 | Community | Groundwater |
| Good Thunder | Blue Earth | 583 | 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 Clair, PWSID MN1070017, Minnesota”, https://aquacensus.com/water-systems/minnesota/saint-clair-mn1070017 (data as of October 1, 2026).