LONG PRAIRIE WATER DISTRICT
PWS ID: OR4100890 · TILLAMOOK, Oregon 97141
Population Served
998
Total Violations
28
Health-Based Violations
2
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 274
- County
- Tillamook
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 21
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 11 | 2003 |
| TTHM | MR | 5 | 2016 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2016 |
| Lead and Copper Rule | MR | 1 | 1994 |
| Coliform (TCR) | MCL | 1 | 1993 |
| Surface Water Treatment Rule | TT | 1 | 1992 |
| Consumer Confidence Rule | Other | 1 | 2023 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.