SOUTH WIND WATER AND SEWER DISTRICT
PWS ID: MT0000025 · GREAT FALLS, Montana 59405
Population Served
200
Total Violations
356
Health-Based Violations
54
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 95
- County
- Cascade
- School/Daycare
- No
- MCL Violations
- 45
- Monitoring Violations
- 286
- Treatment Tech Violations
- 9
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Arsenic | MCL | 38 | 2016 |
| Lead and Copper Rule | MR | 27 | 2022 |
| Coliform (TCR) | MR | 18 | 2015 |
| Consumer Confidence Rule | Other | 16 | 2022 |
| Arsenic | MR | 15 | 2015 |
| E. COLI | MR | 10 | 2011 |
| Nitrate-Nitrite | MR | 7 | 2001 |
| Coliform (TCR) | MCL | 7 | 2003 |
| Thallium, Total | MR | 5 | 2011 |
| Antimony, Total | MR | 5 | 2011 |
| Nickel | MR | 5 | 2011 |
| Groundwater Rule | TT | 5 | 2011 |
| Beryllium, Total | MR | 5 | 2011 |
| Benzo(a)pyrene | MR | 4 | 2014 |
| Picloram | MR | 4 | 2014 |
| OXAMYL | MR | 4 | 2014 |
| Dinoseb | MR | 4 | 2014 |
| Pentachlorophenol | MR | 4 | 2014 |
| Heptachlor epoxide | MR | 4 | 2014 |
| Carbofuran | MR | 4 | 2014 |
| LASSO | MR | 4 | 2014 |
| 2,4,5-TP | MR | 4 | 2014 |
| 2,4-D | MR | 4 | 2014 |
| Toxaphene | MR | 4 | 2014 |
| BHC-GAMMA | MR | 4 | 2014 |
| Endrin | MR | 4 | 2014 |
| Lead and Copper Rule | TT | 4 | 2006 |
| Barium | MR | 4 | 2011 |
| Mercury | MR | 4 | 2011 |
| Di(2-ethylhexyl) adipate | MR | 4 | 2014 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.