ONIGUM HEAD START
PWS ID: 050594221 · CASS LAKE, 05 56633
Population Served
25
Total Violations
146
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Native American
- Connections
- 1
- School/Daycare
- Yes
- MCL Violations
- 0
- Monitoring Violations
- 143
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Asbestos | MR | 5 | 2020 |
| Lead and Copper Rule | MR | 5 | 2023 |
| Coliform (TCR) | MR | 4 | 2015 |
| CYANIDE | MR | 3 | 2017 |
| Fluoride | MR | 3 | 2017 |
| Mercury | MR | 3 | 2017 |
| Antimony, Total | MR | 3 | 2017 |
| Beryllium, Total | MR | 3 | 2017 |
| Endrin | MR | 3 | 2020 |
| Dalapon | MR | 3 | 2020 |
| Diquat | MR | 3 | 2020 |
| Di(2-ethylhexyl) adipate | MR | 3 | 2020 |
| Simazine | MR | 3 | 2020 |
| Di(2-ethylhexyl) phthalate | MR | 3 | 2020 |
| Picloram | MR | 3 | 2020 |
| Hexachlorocyclopentadiene | MR | 3 | 2020 |
| Carbofuran | MR | 3 | 2020 |
| Atrazine | MR | 3 | 2020 |
| 2,3,7,8-TCDD | MR | 3 | 2020 |
| Heptachlor | MR | 3 | 2020 |
| Heptachlor epoxide | MR | 3 | 2020 |
| HEXACHLOROBENZENE | MR | 3 | 2020 |
| Pentachlorophenol | MR | 3 | 2020 |
| Chlordane | MR | 3 | 2020 |
| LEAD AND COPPER RULE REVISIONS | RPT | 3 | 2024 |
| Revised Total Coliform Rule | MON | 3 | 2017 |
| Arsenic | MR | 3 | 2017 |
| Cadmium | MR | 3 | 2017 |
| Total Polychlorinated Biphenyls (PCB) | MR | 3 | 2020 |
| Toxaphene | MR | 3 | 2020 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.