CDOT EISENHOWER JOHNSON TUNNEL
PWS ID: CO0210009 · IDAHO SPRINGS, Colorado 80452
Population Served
50
Total Violations
361
Health-Based Violations
69
Water Source
Surface Water
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- State
- Connections
- 3
- County
- Clear Creek
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 278
- Treatment Tech Violations
- 69
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | TT | 66 | 2025 |
| Surface Water Treatment Rule | MR | 24 | 2025 |
| p-Dichlorobenzene | MR | 18 | 2024 |
| Interim Enhanced Surface Water Treatment Rule | MR | 15 | 2025 |
| 1,2,4-Trichlorobenzene | MR | 10 | 2024 |
| cis-1,2-Dichloroethylene | MR | 10 | 2024 |
| o-Dichlorobenzene | MR | 10 | 2024 |
| trans-1,2-Dichloroethylene | MR | 10 | 2024 |
| 1,2-Dichloroethane | MR | 10 | 2024 |
| Carbon tetrachloride | MR | 10 | 2024 |
| Trichloroethylene | MR | 10 | 2024 |
| 1,1,2-Trichloroethane | MR | 10 | 2024 |
| Tetrachloroethylene | MR | 10 | 2024 |
| CHLOROBENZENE | MR | 10 | 2024 |
| Toluene | MR | 10 | 2024 |
| Ethylbenzene | MR | 10 | 2024 |
| Styrene | MR | 10 | 2024 |
| Xylenes, Total | MR | 10 | 2024 |
| Vinyl chloride | MR | 10 | 2024 |
| 1,1-Dichloroethylene | MR | 10 | 2024 |
| DICHLOROMETHANE | MR | 10 | 2024 |
| 1,2-Dichloropropane | MR | 10 | 2024 |
| Benzene | MR | 10 | 2024 |
| 1,1,1-Trichloroethane | MR | 10 | 2024 |
| Public Notice | Other | 9 | 2025 |
| Lead and Copper Rule | MR | 5 | 2010 |
| Coliform (TCR) | MR | 4 | 2007 |
| Di(2-ethylhexyl) phthalate | MR | 3 | 2009 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | 3 | 2017 |
| Revised Total Coliform Rule | MON | 3 | 2017 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.