IDLEWAY IMPROVEMENT DISTRICT
PWS ID: OR4101208 · PRINEVILLE, Oregon 97754
Population Served
183
Total Violations
29
Health-Based Violations
3
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 120
- County
- Crook
- School/Daycare
- No
- MCL Violations
- 3
- Monitoring Violations
- 22
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 6 | 2007 |
| Nitrate | MR | 6 | 2007 |
| Lead and Copper Rule | MR | 3 | 1994 |
| Coliform (TCR) | MCL | 3 | 2014 |
| TTHM | MR | 2 | 2020 |
| Total Haloacetic Acids (HAA5) | MR | 2 | 2020 |
| Consumer Confidence Rule | Other | 1 | 2000 |
| Benzo(a)pyrene | MR | 1 | 2005 |
| Revised Total Coliform Rule | MON | 1 | 2017 |
| Arsenic | MR | 1 | 2022 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.