NARROWS CG UPPER
PWS ID: CO0335535 · FORT COLLINS, Colorado 80526
Population Served
81
Total Violations
47
Health-Based Violations
8
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Federal
- Connections
- 1
- County
- Larimer
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 37
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 24 | 2019 |
| Revised Total Coliform Rule | MON | 7 | 2022 |
| Revised Total Coliform Rule | TT | 4 | 2019 |
| Coliform (TCR) | MCL | 4 | 2015 |
| Nitrite | MR | 3 | 2011 |
| Coliform (TCR) | MR | 3 | 2008 |
| Public Notice | Other | 2 | 2016 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.