NICASIO SCHOOL
PWS ID: CA2100582 · NICASIO, California 94946
Population Served
48
Total Violations
56
Health-Based Violations
54
Water Source
Surface Water
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 5
- County
- Marin
- School/Daycare
- Yes
- MCL Violations
- 54
- Monitoring Violations
- 2
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Total Haloacetic Acids (HAA5) | MCL | 50 | 2021 |
| Coliform (TCR) | MCL | 4 | 2006 |
| Lead and Copper Rule | MR | 2 | 2006 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.