CSP - PORTOLA STATE PARK
PWS ID: CA4100527 · FELTON, California 95018
Population Served
181
Total Violations
32
Health-Based Violations
4
Water Source
Surface Water
System Details
- System Type
- Transient Non-Community
- Owner Type
- State
- Connections
- 44
- County
- San Mateo
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 4
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | MR | 2 | 1999 |
| Coliform (TCR) | MCL | 2 | 2002 |
| Coliform (TCR) | MR | 2 | 2007 |
| Surface Water Treatment Rule | TT | 2 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.