COLUMBINE LAKE WSD
PWS ID: CO0125155 · GRAND LAKE, Colorado 80447
Population Served
428
Total Violations
48
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 463
- County
- Grand
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 46
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 7 | 2004 |
| Nitrate | MR | 4 | 2007 |
| TTHM | MR | 4 | 2007 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2007 |
| Lead and Copper Rule | MR | 3 | 2005 |
| Consumer Confidence Rule | Other | 2 | 2006 |
| Nitrite | MR | 2 | 2006 |
| Fluoride | MR | 2 | 2007 |
| Arsenic | MR | 2 | 2007 |
| Barium | MR | 2 | 2007 |
| Cadmium | MR | 2 | 2007 |
| Mercury | MR | 2 | 2007 |
| Antimony, Total | MR | 2 | 2007 |
| Thallium, Total | MR | 2 | 2007 |
| Chromium | MR | 2 | 2007 |
| Beryllium, Total | MR | 2 | 2007 |
| Nickel | MR | 2 | 2007 |
| Selenium | MR | 2 | 2007 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.