SHANNON WSD
PWS ID: CO0107710 · BOULDER, Colorado 80303
Population Served
450
Total Violations
8
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 160
- County
- Boulder
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 6
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 6 | 2002 |
| Coliform (TCR) | MCL | 1 | 1991 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.