NEAHKAHNIE WATER DISTRICT
PWS ID: OR4100506 · NEHALEM, Oregon 97131
Population Served
600
Total Violations
147
Health-Based Violations
10
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 391
- County
- Tillamook
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 133
- Treatment Tech Violations
- 10
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 12 | 2008 |
| Lead and Copper Rule | TT | 10 | 2020 |
| Nitrate | MR | 9 | 2009 |
| Lead and Copper Rule | MR | 9 | 2025 |
| Groundwater Rule | MR | 5 | 2025 |
| Endrin | MR | 3 | 2002 |
| BHC-GAMMA | MR | 3 | 2002 |
| Methoxychlor | MR | 3 | 2002 |
| Toxaphene | MR | 3 | 2002 |
| Diquat | MR | 3 | 2002 |
| OXAMYL | MR | 3 | 2002 |
| Dinoseb | MR | 3 | 2002 |
| Atrazine | MR | 3 | 2002 |
| LASSO | MR | 3 | 2002 |
| 2,4,5-TP | MR | 3 | 2002 |
| HEXACHLOROBENZENE | MR | 3 | 2002 |
| Benzo(a)pyrene | MR | 3 | 2002 |
| Pentachlorophenol | MR | 3 | 2002 |
| Total Polychlorinated Biphenyls (PCB) | MR | 3 | 2002 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 3 | 2002 |
| Chlordane | MR | 3 | 2002 |
| Consumer Confidence Rule | Other | 3 | 2025 |
| Di(2-ethylhexyl) adipate | MR | 3 | 2002 |
| Endothall | MR | 3 | 2002 |
| Heptachlor epoxide | MR | 3 | 2002 |
| Heptachlor | MR | 3 | 2002 |
| Simazine | MR | 3 | 2002 |
| Glyphosate | MR | 3 | 2002 |
| Carbofuran | MR | 3 | 2002 |
| Dalapon | MR | 3 | 2002 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.