CALHAN TOWN OF
PWS ID: CO0121075 · CALHAN, Colorado 80808
Population Served
780
Total Violations
74
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 397
- County
- El Paso
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 49
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 7 | 2025 |
| Di(2-ethylhexyl) phthalate | MR | 6 | 2023 |
| Dalapon | MR | 4 | 2011 |
| Revised Total Coliform Rule | Other | 4 | 2018 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | 4 | 2021 |
| Public Notice | Other | 4 | 2022 |
| 2,4-D | MR | 4 | 2011 |
| Pentachlorophenol | MR | 4 | 2011 |
| Atrazine | MR | 3 | 2011 |
| Simazine | MR | 3 | 2011 |
| LEAD AND COPPER RULE REVISIONS | RPT | 3 | 2025 |
| Benzo(a)pyrene | MR | 3 | 2011 |
| Total Haloacetic Acids (HAA5) | MR | 3 | 2023 |
| Endothall | MR | 3 | 2008 |
| Di(2-ethylhexyl) adipate | MR | 3 | 2011 |
| LASSO | MR | 3 | 2011 |
| TTHM | MR | 3 | 2023 |
| Consumer Confidence Rule | Other | 2 | 2004 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.