CONCORD MT DIABLO TRAILRIDE ASSOC.
PWS ID: CA0707542 · CLAYTON, California 94517
Population Served
120
Total Violations
29
Health-Based Violations
2
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 14
- County
- Contra Costa
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 25
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 25 | 2008 |
| Coliform (TCR) | MCL | 2 | 2011 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.