Public water system · MN5090090
ActiveEsko Public School, Isd #99
At a glance
Esko Public School, Isd #99 (PWSID MN5090090) is an active non-transient non-community water system in Carlton County, Minnesota. It reports serving 1,200 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2016.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,200
Service connections
2
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Esko Public School, Isd #99 compare with other water systems in Carlton County?
By EPA's size categories, Esko Public School, Isd #99 is a small system (501 to 3,300 people). Carlton County has 75 active public water systems, and Esko Public School, Isd #99 is the 3rd-largest of them by population served. Its population served is about 3.8 times the county average of 317 people per system, and accounts for 5% of the 23,773 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 Esko Public School, Isd #99 is about 179% 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 Esko Public School, Isd #99?
EPA lists Esko Public School, Isd #99 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. 62 of the 75 active systems in Carlton County (83%) are also privately owned.
Does Esko Public School, Isd #99 have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2016. The violations listed here began between July 2013 and April 2016. By type: 11 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 of them). EPA lists 10 as resolved and 2 as archived. 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. 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 |
|---|---|---|---|---|
| 2016-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2016-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-03-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2016-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2014-07-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2014-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2014-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2014-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2013-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2013-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Archived |
The 12 most recent 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.
Esko Public School, Isd #99: frequently asked questions
Who runs Esko Public School, Isd #99?
Esko Public School, Isd #99 (PWSID MN5090090) is a non-transient non-community water system privately owned. It is regulated by the MN state drinking water program.
How many people does Esko Public School, Isd #99 serve?
Esko Public School, Isd #99 reports serving 1,200 people through 2 service connections in Carlton County, Minnesota.
Where does Esko Public School, Isd #99 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 Esko Public School, Isd #99 have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2016. 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 Esko Public School, Isd #99'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2016. For current results, consult EPA ECHO, or the MN state drinking water program.
Where can I find Esko Public School, Isd #99's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Esko Public School, Isd #99 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 Carlton County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Cloquet | Carlton | 12,864 | Community | Groundwater |
| Moose Lake | Carlton | 1,782 | Community | Groundwater |
| Carlton | Carlton | 1,146 | Community | Groundwater |
| Scanlon | Carlton | 1,003 | Community | Purchased groundwater |
| Mn Correctional Facility - Moose Lake | Carlton | 975 | Community | Groundwater |
| Barnum | Carlton | 621 | 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, “Esko Public School, Isd #99, PWSID MN5090090, Minnesota”, https://aquacensus.com/water-systems/minnesota/esko-public-school-isd-99-mn5090090 (data as of October 1, 2026).