JACOBS CORNER
PWS ID: CO0207401 · BOULDER, Colorado 80301
Population Served
250
Total Violations
120
Health-Based Violations
18
Water Source
Surface Water
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 3
- County
- Boulder
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 99
- Treatment Tech Violations
- 18
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | MR | 28 | 2023 |
| Interim Enhanced Surface Water Treatment Rule | MR | 21 | 2023 |
| Surface Water Treatment Rule | TT | 14 | 2018 |
| E. COLI | MR | 6 | 2017 |
| Interim Enhanced Surface Water Treatment Rule | TT | 4 | 2015 |
| Nitrate | MR | 4 | 2013 |
| Lead and Copper Rule | MR | 4 | 2007 |
| Total Haloacetic Acids (HAA5) | MR | 3 | 2010 |
| HEXACHLOROBENZENE | MR | 3 | 2008 |
| Methoxychlor | MR | 3 | 2008 |
| BHC-GAMMA | MR | 3 | 2008 |
| Endrin | MR | 3 | 2008 |
| Revised Total Coliform Rule | Other | 3 | 2024 |
| Hexachlorocyclopentadiene | MR | 3 | 2008 |
| Heptachlor | MR | 3 | 2008 |
| Toxaphene | MR | 3 | 2008 |
| Chlordane | MR | 3 | 2008 |
| Total Polychlorinated Biphenyls (PCB) | MR | 3 | 2008 |
| Heptachlor epoxide | MR | 3 | 2008 |
| TTHM | MR | 3 | 2010 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.