TWENTY MILE CREEK WATER ASSN
PWS ID: ID1110030 · BONNERS FERRY, Idaho 83805
Population Served
225
Total Violations
135
Health-Based Violations
106
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 89
- County
- Boundary
- School/Daycare
- No
- MCL Violations
- 8
- Monitoring Violations
- 21
- Treatment Tech Violations
- 98
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | TT | 85 | 2000 |
| Interim Enhanced Surface Water Treatment Rule | TT | 13 | 2018 |
| TTHM | MCL | 6 | 2024 |
| Coliform (TCR) | MR | 5 | 2002 |
| Nitrate | MR | 2 | 2000 |
| Coliform (TCR) | MCL | 2 | 2002 |
| 2,4-D | MR | 1 | 1979 |
| 2,4,5-TP | MR | 1 | 1979 |
| Barium | MR | 1 | 1979 |
| Cadmium | MR | 1 | 1979 |
| Chromium | MR | 1 | 1979 |
| Endrin | MR | 1 | 1979 |
| Toxaphene | MR | 1 | 1979 |
| Arsenic | MR | 1 | 1979 |
| Selenium | MR | 1 | 1979 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1979 |
| Methoxychlor | MR | 1 | 1979 |
| Mercury | MR | 1 | 1979 |
| BHC-GAMMA | MR | 1 | 1979 |
| Fluoride | MR | 1 | 1979 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.