FILER WATER WORKS
PWS ID: ID5420021 · FILER, Idaho 83328
Population Served
2,858
Total Violations
276
Health-Based Violations
183
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 975
- County
- Twin Falls
- School/Daycare
- No
- MCL Violations
- 183
- Monitoring Violations
- 66
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Arsenic | MCL | 181 | 2021 |
| Chlorine | MR | 18 | 2022 |
| Coliform (TCR) | MR | 10 | 2012 |
| Revised Total Coliform Rule | MON | 7 | 2021 |
| Public Notice | Other | 5 | 2016 |
| TTHM | MR | 4 | 2009 |
| Arsenic | MR | 4 | 2010 |
| LEAD AND COPPER RULE REVISIONS | RPT | 4 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2009 |
| E. COLI | MR | 3 | 2023 |
| Lead and Copper Rule | MR | 3 | 2025 |
| Nitrate | MR | 2 | 1998 |
| Consumer Confidence Rule | Other | 2 | 1999 |
| Coliform (TCR) | MCL | 2 | 1996 |
| Selenium | MR | 2 | 1993 |
| Barium | MR | 1 | 1993 |
| Chromium | MR | 1 | 1993 |
| Mercury | MR | 1 | 1993 |
| Antimony, Total | MR | 1 | 1993 |
| Thallium, Total | MR | 1 | 1993 |
| Nickel | MR | 1 | 1993 |
| Fluoride | MR | 1 | 1993 |
| Beryllium, Total | MR | 1 | 1993 |
| Cadmium | MR | 1 | 1993 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.