EAST ALAMOSA
PWS ID: CO0102200 · ALAMOSA, Colorado 81101
Population Served
1,453
Total Violations
119
Health-Based Violations
53
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 403
- County
- Alamosa
- School/Daycare
- No
- MCL Violations
- 53
- Monitoring Violations
- 57
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Arsenic | MCL | 49 | 2008 |
| Coliform (TCR) | MR | 18 | 2005 |
| Chlorine | MR | 10 | 2008 |
| Arsenic | MR | 9 | 2003 |
| Lead and Copper Rule | MR | 7 | 2008 |
| Nitrate | MR | 5 | 1993 |
| Coliform (TCR) | MCL | 4 | 1993 |
| TTHM | MR | 3 | 2008 |
| Total Haloacetic Acids (HAA5) | MR | 3 | 2008 |
| Consumer Confidence Rule | Other | 2 | 2007 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule | MR | 2 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.