TRI-VALLEY CENTRAL SCHOOL
PWS ID: NY5202956 · GRAHAMSVILLE, New York 12740
Population Served
1,200
Total Violations
35
Health-Based Violations
3
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Public/Private
- Connections
- 2
- County
- Sullivan
- School/Daycare
- Yes
- MCL Violations
- 0
- Monitoring Violations
- 30
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Total Haloacetic Acids (HAA5) | MR | 8 | 2008 |
| TTHM | MR | 8 | 2008 |
| Lead and Copper Rule | MR | 6 | 2006 |
| Revised Total Coliform Rule | MON | 5 | 2017 |
| Coliform (TCR) | MR | 3 | 2003 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | 3 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.