Public water system · MN5691186
ActiveSouth Ridge School
At a glance
South Ridge School (PWSID MN5691186) is an active non-transient non-community water system in St. Louis County, Minnesota. It reports serving 525 people through 3 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in April 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
525
Service connections
3
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does South Ridge School compare with other water systems in St. Louis County?
By EPA's size categories, South Ridge School is a small system (501 to 3,300 people). St. Louis County has 356 active public water systems. Its population served is roughly in line with the county average of 505 people per system, and accounts for 0.3% of the 179,795 people reported by systems filed under the county. Across Minnesota, the 6,465 active systems average 820 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so South Ridge School is about 22% above that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Minnesota has 470 active non-transient non-community water systems, 7.3% 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 South Ridge School?
EPA lists South Ridge School 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. 298 of the 356 active systems in St. Louis County (84%) are also privately owned.
Does South Ridge School have drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in April 2024. The violations listed here began between June 2012 and April 2024. By type: 1 monitoring, 1 monitoring and reporting and 1 contaminant level above the legal limit. The contaminants or rules involved are Revised Total Coliform Rule, Chlorine and Total coliform bacteria (TCR). EPA lists 3 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 |
|---|---|---|---|---|
| 2024-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2012-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
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.
South Ridge School: frequently asked questions
Who runs South Ridge School?
South Ridge School (PWSID MN5691186) is a non-transient non-community water system privately owned. It is regulated by the MN state drinking water program.
How many people does South Ridge School serve?
South Ridge School reports serving 525 people through 3 service connections in St. Louis County, Minnesota.
Where does South Ridge School 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 South Ridge School have any drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in April 2024. 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 South Ridge School'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; 1 is health-based, and the most recent began in April 2024. For current results, consult EPA ECHO, or the MN state drinking water program.
Where can I find South Ridge School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. South Ridge School is a non-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 St. Louis County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Duluth | St. Louis | 86,859 | Community | Surface water |
| Hibbing | St. Louis | 16,028 | Community | Groundwater |
| Virginia | St. Louis | 8,361 | Community | Surface water |
| Hermantown | St. Louis | 7,215 | Community | Purchased surface water |
| Chisholm | St. Louis | 4,940 | Community | Surface water |
| Eveleth | St. Louis | 3,770 | Community | Surface water |
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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, “South Ridge School, PWSID MN5691186, Minnesota”, https://aquacensus.com/water-systems/minnesota/south-ridge-school-mn5691186 (data as of October 1, 2026).