HOLMBERG VILLAGE ESTATES
PWS ID: MT0004190 · HELENA, Montana 59602
Population Served
225
Total Violations
164
Health-Based Violations
8
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 112
- County
- Lewis and Clark
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 153
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 5 | 2015 |
| Coliform (TCR) | MR | 3 | 2005 |
| 1,2,4-Trichlorobenzene | MR | 3 | 2005 |
| cis-1,2-Dichloroethylene | MR | 3 | 2005 |
| DICHLOROMETHANE | MR | 3 | 2005 |
| o-Dichlorobenzene | MR | 3 | 2005 |
| Vinyl chloride | MR | 3 | 2005 |
| 1,1-Dichloroethylene | MR | 3 | 2005 |
| 1,2-Dichloroethane | MR | 3 | 2005 |
| Carbon tetrachloride | MR | 3 | 2005 |
| Trichloroethylene | MR | 3 | 2005 |
| Tetrachloroethylene | MR | 3 | 2005 |
| CHLOROBENZENE | MR | 3 | 2005 |
| Toluene | MR | 3 | 2005 |
| Styrene | MR | 3 | 2005 |
| Consumer Confidence Rule | Other | 3 | 2007 |
| Methoxychlor | MR | 3 | 2011 |
| Di(2-ethylhexyl) adipate | MR | 3 | 2011 |
| OXAMYL | MR | 3 | 2011 |
| Simazine | MR | 3 | 2011 |
| Di(2-ethylhexyl) phthalate | MR | 3 | 2011 |
| Picloram | MR | 3 | 2011 |
| Atrazine | MR | 3 | 2011 |
| LASSO | MR | 3 | 2011 |
| Heptachlor epoxide | MR | 3 | 2011 |
| 2,4-D | MR | 3 | 2011 |
| 2,4,5-TP | MR | 3 | 2011 |
| Arsenic | MR | 3 | 2011 |
| Gross Alpha, Excl. Radon and U | MR | 3 | 2011 |
| Aldicarb sulfone | MR | 3 | 2011 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.