Dams in Benton County, Oregon
6Total Dams
2High Hazard
1Significant
Dam Safety in Benton County, Oregon
Benton County has 6 dams tracked in the National Inventory of Dams. Of these, 2 are classified as high hazard — meaning failure would probably cause loss of human life. Another 1 carry a significant hazard classification.
The average dam in Benton County is 63 years old. The most common purpose is recreation. The tallest dam is North Fork at 83 ft.
Explore more: Oldest dams in Oregon · Tallest dams · High risk dams · Largest reservoirs
Data note: Hazard potential describes the consequences if a dam failed; it does not predict the likelihood of failure. Inspection, condition, and emergency-plan fields can be incomplete or delayed. Check state dam-safety officials and local emergency managers for official guidance.
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| North Fork | High | Fair | 83 | Water Supply | 1960 |
| Mcnary Lock And Dam - Richland Levee 4a | High | Not Available | 30 | Flood Risk Reduction | 1952 |
| Thompson (benton) | Significant | Not Rated | 44 | Recreation | 1956 |
| Delaubenfels | Low | Not Rated | 33 | Irrigation | 1970 |
| Moore-emory | Low | Not Rated | 33 | Irrigation | 1962 |
| Whispering Winds | Low | Not Rated | 26 | Recreation | 1973 |