ALPINE BROOK WS
PWS ID: CO0207115 · NIWOT, Colorado 80544
Population Served
100
Total Violations
236
Health-Based Violations
91
Water Source
Surface Water
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 42
- County
- Boulder
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 109
- Treatment Tech Violations
- 91
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | TT | 80 | 2022 |
| Surface Water Treatment Rule | MR | 48 | 2024 |
| Public Notice | Other | 32 | 2022 |
| Interim Enhanced Surface Water Treatment Rule | MR | 21 | 2024 |
| Coliform (TCR) | MR | 17 | 2015 |
| Revised Total Coliform Rule | MON | 11 | 2023 |
| Groundwater Rule | TT | 7 | 2018 |
| Nitrate | MR | 6 | 2021 |
| Revised Total Coliform Rule | TT | 4 | 2017 |
| E. COLI | MR | 3 | 2018 |
| Long Term 2 Enhanced Surface Water Treatment Rule | MR | 3 | 2008 |
| Revised Total Coliform Rule | Other | 3 | 2017 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.