GARNET USA
PWS ID: MT0004918 · ALDER, Montana 59710
Population Served
45
Total Violations
99
Health-Based Violations
3
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 3
- County
- Madison
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 96
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 21 | 2023 |
| Groundwater Rule | TT | 3 | 2018 |
| Lead and Copper Rule | MR | 3 | 2017 |
| Endrin | MR | 3 | 2017 |
| BHC-GAMMA | MR | 3 | 2017 |
| Methoxychlor | MR | 3 | 2017 |
| Toxaphene | MR | 3 | 2017 |
| OXAMYL | MR | 3 | 2017 |
| Simazine | MR | 3 | 2017 |
| Di(2-ethylhexyl) phthalate | MR | 3 | 2017 |
| Atrazine | MR | 3 | 2017 |
| LASSO | MR | 3 | 2017 |
| Heptachlor | MR | 3 | 2017 |
| Heptachlor epoxide | MR | 3 | 2017 |
| 2,4,5-TP | MR | 3 | 2017 |
| HEXACHLOROBENZENE | MR | 3 | 2017 |
| Pentachlorophenol | MR | 3 | 2017 |
| Chlordane | MR | 3 | 2017 |
| Benzo(a)pyrene | MR | 3 | 2017 |
| Dalapon | MR | 3 | 2017 |
| Di(2-ethylhexyl) adipate | MR | 3 | 2017 |
| Hexachlorocyclopentadiene | MR | 3 | 2017 |
| Dinoseb | MR | 3 | 2017 |
| Asbestos | MR | 3 | 2020 |
| 2,4-D | MR | 3 | 2017 |
| Picloram | MR | 3 | 2017 |
| Carbofuran | MR | 3 | 2017 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.