MARTINS BEACH WATER SYSTEM
PWS ID: CA4100515 · HALF MOON BAY, California 94019
Population Served
49
Total Violations
13
Health-Based Violations
0
Water Source
Surface Water
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 49
- County
- San Mateo
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 5
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Consumer Confidence Rule | Other | 6 | 2008 |
| Nitrate | MR | 3 | 2024 |
| Coliform (TCR) | MR | 2 | 2002 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.