SHAWNEE WCA
PWS ID: CO0147090 · BUFFALO CREEK, Colorado 80425
Population Served
50
Total Violations
138
Health-Based Violations
13
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 29
- County
- Park
- School/Daycare
- No
- MCL Violations
- 6
- Monitoring Violations
- 116
- Treatment Tech Violations
- 7
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | MR | 24 | 2022 |
| Coliform (TCR) | MR | 13 | 2010 |
| Lead and Copper Rule | TT | 7 | 2015 |
| Arsenic | MR | 6 | 2002 |
| Fluoride | MR | 6 | 2002 |
| Mercury | MR | 6 | 2002 |
| Selenium | MR | 6 | 2002 |
| Antimony, Total | MR | 6 | 2002 |
| Beryllium, Total | MR | 6 | 2002 |
| Thallium, Total | MR | 6 | 2002 |
| Barium | MR | 6 | 2002 |
| Chromium | MR | 6 | 2002 |
| Nitrate | MCL | 6 | 2015 |
| Nitrate | MR | 6 | 2025 |
| Cadmium | MR | 6 | 2002 |
| Nickel | MR | 3 | 1998 |
| Chlorine | MR | 3 | 2010 |
| p-Dichlorobenzene | MR | 1 | 1991 |
| Benzene | MR | 1 | 1991 |
| 1,1-Dichloroethylene | MR | 1 | 1991 |
| 1,1,1-Trichloroethane | MR | 1 | 1991 |
| 1,2-Dichloroethane | MR | 1 | 1991 |
| Carbon tetrachloride | MR | 1 | 1991 |
| Trichloroethylene | MR | 1 | 1991 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.