DUNKIN DONUTS
PWS ID: NH1178040 · HOLLIS, New Hampshire 03049
Population Served
450
Total Violations
45
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 2
- County
- Hillsborough
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 31
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 31 | 2012 |
| Public Notice | Other | 10 | 2012 |
| Revised Total Coliform Rule | MCL | 4 | 2019 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.