Public water system · 050594221
ActiveOnigum Head Start
At a glance
Onigum Head Start (PWSID 050594221) is an active non-transient non-community water system in Minnesota. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as Native American-owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Onigum Head Start compare with other water systems in Minnesota?
By EPA's size categories, Onigum Head Start is a very small system (500 people or fewer). 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 Onigum Head Start is well below 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 Onigum Head Start?
EPA lists Onigum Head Start as Native American-owned. The EPA Region 05 is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act.
Does Onigum Head Start have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2024. The violations listed here began between January 2020 and October 2024. By type: 11 monitoring and reporting and 1 reporting. The contaminants or rules involved are Lead and Copper Rule Revisions, Lead and Copper Rule, Methoxychlor and Glyphosate. EPA lists 12 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 |
|---|---|---|---|---|
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2023-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Methoxychlorcode 2015 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Glyphosatecode 2034 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dinosebcode 2041 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Asbestoscode 1094 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toxaphenecode 2020 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Lindane (gamma-BHC)code 2010 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzo(a)pyrenecode 2306 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylene dibromide (EDB)code 2946 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Oxamylcode 2036 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Resolved |
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.
Onigum Head Start: frequently asked questions
Who runs Onigum Head Start?
Onigum Head Start (PWSID 050594221) is a non-transient non-community water system Native American-owned. It is regulated by the EPA Region 05.
How many people does Onigum Head Start serve?
Onigum Head Start reports serving 25 people through 1 service connection in Minnesota.
Where does Onigum Head Start 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 Onigum Head Start 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 October 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 Onigum Head Start'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 October 2024. For current results, consult EPA ECHO, or the EPA Region 05.
Where can I find Onigum Head Start's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Onigum Head Start 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 Minnesota
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Minneapolis | Hennepin | 425,300 | Community | Surface water |
| Saint Paul Regional Water Services | Ramsey | 392,529 | Community | Surface water |
| Rochester | Olmsted | 123,624 | Community | Groundwater |
| Bloomington | Hennepin | 91,300 | Community | Purchased surface water |
| Brooklyn Park | Hennepin | 89,995 | Community | Groundwater |
| Duluth | St. Louis | 86,859 | 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, “Onigum Head Start, PWSID 050594221, Minnesota”, https://aquacensus.com/water-systems/minnesota/onigum-head-start-050594221 (data as of October 1, 2026).