KNOLLS AT DURANGO HOA
PWS ID: CO0134515 · DURANGO, Colorado 81303
Population Served
150
Total Violations
73
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 32
- County
- La Plata
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 66
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Chlorine | MR | 12 | 2025 |
| Revised Total Coliform Rule | MON | 6 | 2021 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | 4 | 2020 |
| Arsenic | MR | 3 | 2002 |
| Barium | MR | 3 | 2002 |
| Chromium | MR | 3 | 2002 |
| Nickel | MR | 3 | 2002 |
| Antimony, Total | MR | 3 | 2002 |
| Thallium, Total | MR | 3 | 2002 |
| Selenium | MR | 3 | 2002 |
| Coliform (TCR) | MR | 3 | 2015 |
| TTHM | MR | 3 | 2023 |
| Total Haloacetic Acids (HAA5) | MR | 3 | 2023 |
| E. COLI | MR | 3 | 2025 |
| Nitrate | MR | 3 | 2004 |
| Mercury | MR | 3 | 2002 |
| Lead and Copper Rule | MR | 3 | 2005 |
| Beryllium, Total | MR | 3 | 2002 |
| Consumer Confidence Rule | Other | 3 | 2011 |
| Cadmium | MR | 3 | 2002 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.