Dams in Franklin County, Washington
27Total Dams
5High Hazard
5Significant
Dam Safety in Franklin County, Washington
Franklin County has 27 dams tracked in the National Inventory of Dams. Of these, 5 are classified as high hazard — meaning failure would probably cause loss of human life. Another 5 carry a significant hazard classification.
The average dam in Franklin County is 43 years old. The most common purpose is irrigation. The tallest dam is Lower Monumental Lock And Dam at 226 ft.
Explore more: Oldest dams in Washington · 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.