CASTLE AIRPORT
PWS ID: CA2410700 · MERCED, California 95340
Population Served
1,650
Total Violations
15
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 134
- County
- Merced
- School/Daycare
- No
- MCL Violations
- 3
- Monitoring Violations
- 8
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 4 | 2021 |
| Coliform (TCR) | MCL | 3 | 1994 |
| Total Haloacetic Acids (HAA5) | MR | 2 | 2021 |
| TTHM | MR | 2 | 2021 |
| LEAD AND COPPER RULE REVISIONS | RPT | 1 | 2024 |
| LEAD AND COPPER RULE REVISIONS | TT | 1 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.