What dam failure caused the greatest loss of life in the U.S.?
A) Grand Coulee, Washington
B) Teton, Idaho
C) St. Francis, California
D) Johnstown, Pennsylvania
E) Buffalo Creek, West Virginia

Question

Quizplus · Accepted Answer

The Johnstown Flood, caused by the failure of the South Fork Dam in 1889 in Pennsylvania, resulted in the greatest loss of life due to a dam failure in the U.S., with over 2,200 fatalities.

What Dam Failure Caused the Greatest Loss of Life in the U.S