HALCYON HILL
PWS ID: NH0153020 · EPSOM, New Hampshire 03234
Population Served
58
Total Violations
497
Health-Based Violations
18
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 24
- County
- Strafford
- School/Daycare
- No
- MCL Violations
- 16
- Monitoring Violations
- 465
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Combined Uranium | MCL | 16 | 2008 |
| Nitrate | MR | 13 | 2000 |
| Consumer Confidence Rule | Other | 10 | 2007 |
| Xylenes, Total | MR | 9 | 2012 |
| o-Dichlorobenzene | MR | 9 | 2012 |
| Vinyl chloride | MR | 9 | 2012 |
| 1,1-Dichloroethylene | MR | 9 | 2012 |
| 1,2-Dichloroethane | MR | 9 | 2012 |
| 1,2-Dichloropropane | MR | 9 | 2012 |
| 1,1,2-Trichloroethane | MR | 9 | 2012 |
| Tetrachloroethylene | MR | 9 | 2012 |
| CHLOROBENZENE | MR | 9 | 2012 |
| Benzene | MR | 9 | 2012 |
| Toluene | MR | 9 | 2012 |
| Styrene | MR | 9 | 2012 |
| 1,2,4-Trichlorobenzene | MR | 9 | 2012 |
| p-Dichlorobenzene | MR | 9 | 2012 |
| trans-1,2-Dichloroethylene | MR | 9 | 2012 |
| 1,1,1-Trichloroethane | MR | 9 | 2012 |
| Trichloroethylene | MR | 9 | 2012 |
| Lead and Copper Rule | MR | 9 | 2000 |
| DICHLOROMETHANE | MR | 9 | 2012 |
| cis-1,2-Dichloroethylene | MR | 9 | 2012 |
| Carbon tetrachloride | MR | 9 | 2012 |
| Ethylbenzene | MR | 9 | 2012 |
| Gross Alpha, Excl. Radon and U | MR | 8 | 2010 |
| Endrin | MR | 7 | 2010 |
| Methoxychlor | MR | 7 | 2010 |
| Glyphosate | MR | 7 | 2010 |
| Di(2-ethylhexyl) adipate | MR | 7 | 2010 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.