BROADWATER ESTATES HOA
PWS ID: MT0004697 · EAST HELENA, Montana 59635
Population Served
40
Total Violations
158
Health-Based Violations
51
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 52
- County
- Lewis and Clark
- School/Daycare
- No
- MCL Violations
- 51
- Monitoring Violations
- 105
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Arsenic | MCL | 51 | 2021 |
| Groundwater Rule | MR | 12 | 2018 |
| TTHM | MR | 4 | 2021 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2021 |
| Nitrate-Nitrite | MR | 4 | 2018 |
| Arsenic | MR | 3 | 2013 |
| BHC-GAMMA | MR | 3 | 2011 |
| Methoxychlor | MR | 3 | 2011 |
| Toxaphene | MR | 3 | 2011 |
| Dalapon | MR | 3 | 2011 |
| Di(2-ethylhexyl) adipate | MR | 3 | 2011 |
| Di(2-ethylhexyl) phthalate | MR | 3 | 2011 |
| Picloram | MR | 3 | 2011 |
| Dinoseb | MR | 3 | 2011 |
| Hexachlorocyclopentadiene | MR | 3 | 2011 |
| Aldicarb sulfone | MR | 3 | 2011 |
| Atrazine | MR | 3 | 2011 |
| Heptachlor epoxide | MR | 3 | 2011 |
| 2,4,5-TP | MR | 3 | 2011 |
| Pentachlorophenol | MR | 3 | 2011 |
| Chlordane | MR | 3 | 2011 |
| Simazine | MR | 3 | 2011 |
| OXAMYL | MR | 3 | 2011 |
| Carbofuran | MR | 3 | 2011 |
| Endrin | MR | 3 | 2011 |
| Benzo(a)pyrene | MR | 3 | 2011 |
| HEXACHLOROBENZENE | MR | 3 | 2011 |
| 2,4-D | MR | 3 | 2011 |
| Heptachlor | MR | 3 | 2011 |
| Aldicarb sulfoxide | MR | 3 | 2011 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.