FAST MARKET NO 4591
PWS ID: CO0221760 · CASTLE ROCK, Colorado 80104
Population Served
911
Total Violations
75
Health-Based Violations
16
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- El Paso
- School/Daycare
- No
- MCL Violations
- 16
- Monitoring Violations
- 47
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 44 | 2012 |
| Coliform (TCR) | MCL | 16 | 2000 |
| Nitrate | MR | 3 | 1994 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.