NORTH HERO WATER SYSTEM
PWS ID: VT0020562 · NORTH HERO, Vermont 05474
Population Served
2,750
Total Violations
294
Health-Based Violations
163
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 577
- County
- Grand Isle
- School/Daycare
- No
- MCL Violations
- 163
- Monitoring Violations
- 125
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Total Haloacetic Acids (HAA5) | MCL | 96 | 2011 |
| TTHM | MCL | 67 | 2010 |
| Coliform (TCR) | MR | 15 | 2002 |
| Lead and Copper Rule | MR | 13 | 2008 |
| Consumer Confidence Rule | Other | 6 | 2013 |
| Nitrate | MR | 5 | 2000 |
| CYANIDE | MR | 5 | 2000 |
| 1,2,4-Trichlorobenzene | MR | 4 | 2000 |
| DICHLOROMETHANE | MR | 4 | 2000 |
| o-Dichlorobenzene | MR | 4 | 2000 |
| p-Dichlorobenzene | MR | 4 | 2000 |
| 1,1-Dichloroethylene | MR | 4 | 2000 |
| 1,2-Dichloroethane | MR | 4 | 2000 |
| 1,1,1-Trichloroethane | MR | 4 | 2000 |
| Carbon tetrachloride | MR | 4 | 2000 |
| Trichloroethylene | MR | 4 | 2000 |
| 1,1,2-Trichloroethane | MR | 4 | 2000 |
| Tetrachloroethylene | MR | 4 | 2000 |
| Benzene | MR | 4 | 2000 |
| Ethylbenzene | MR | 4 | 2000 |
| Styrene | MR | 4 | 2000 |
| 1,2-Dichloropropane | MR | 4 | 2000 |
| Xylenes, Total | MR | 4 | 2000 |
| Vinyl chloride | MR | 4 | 2000 |
| CHLOROBENZENE | MR | 4 | 2000 |
| trans-1,2-Dichloroethylene | MR | 4 | 2000 |
| Toluene | MR | 4 | 2000 |
| cis-1,2-Dichloroethylene | MR | 4 | 2000 |
| Surface Water Treatment Rule | MR | 3 | 2000 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.