SULLIVAN COUNTY COMPLEX
PWS ID: NH2384010 · UNITY, New Hampshire 03743
Population Served
625
Total Violations
334
Health-Based Violations
17
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 6
- County
- Sullivan
- School/Daycare
- No
- MCL Violations
- 17
- Monitoring Violations
- 288
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 17 | 1991 |
| Chlorine | MR | 16 | 2009 |
| Lead and Copper Rule | MR | 14 | 2012 |
| Consumer Confidence Rule | Other | 13 | 2009 |
| Public Notice | Other | 10 | 2009 |
| Total Haloacetic Acids (HAA5) | MR | 7 | 2005 |
| TTHM | MR | 7 | 2005 |
| Nitrate | MR | 6 | 2008 |
| Coliform (TCR) | MR | 6 | 2009 |
| Nitrite | MR | 4 | 2004 |
| Barium | MR | 4 | 2004 |
| cis-1,2-Dichloroethylene | MR | 4 | 2004 |
| Cadmium | MR | 4 | 2004 |
| Methoxychlor | MR | 4 | 2004 |
| Chromium | MR | 4 | 2004 |
| DICHLOROMETHANE | MR | 4 | 2004 |
| Glyphosate | MR | 4 | 2004 |
| o-Dichlorobenzene | MR | 4 | 2004 |
| Di(2-ethylhexyl) adipate | MR | 4 | 2004 |
| Mercury | MR | 4 | 2004 |
| Vinyl chloride | MR | 4 | 2004 |
| Selenium | MR | 4 | 2004 |
| 1,1-Dichloroethylene | MR | 4 | 2004 |
| Antimony, Total | MR | 4 | 2004 |
| 1,2-Dichloroethane | MR | 4 | 2004 |
| 1,1,1-Trichloroethane | MR | 4 | 2004 |
| Hexachlorocyclopentadiene | MR | 4 | 2004 |
| Atrazine | MR | 4 | 2004 |
| Trichloroethylene | MR | 4 | 2004 |
| LASSO | MR | 4 | 2004 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.