The Black Hills Flood of 1972, also known as the Rapid City Flood, was the most detrimental flood in South Dakota history, and one of the deadliest floods in U.S. history.

On June 9-10, 1972, extremely heavy rains over the eastern Black Hills of South Dakota produced record floods on Rapid Creek and other streams in the area. Nearly 15 inches of rain fell in about 6 hours near Nemo, and more than 10 inches of rain fell over an area of 60 square miles.

2023年10月18日 · By morning on June 10, 1972, news of the flood shocked the world because of how quickly disaster struck – resulting in loss of life, destruction of homes and businesses, fires from ruptured gas lines and more. In the aftermath of the flood, the Rapid City community gathered to rebuild.

On June 9, 1972, an almost stationary group of thunderstorms formed over the eastern Black Hills of South Dakota near Rapid City and produced record amounts of rainfall and flood discharges. Nearly 15 inches of rain fell in about 6 hours near Nemo, S. Dak., and more than 10 inches of rain fell over a 60-square-mile area.

Although the 1972 Black Hills-Rapid City flood was the largest flood recorded in the Black Hills area, numerous previous floods had occurred in the area. The earliest recorded flood occurred during June 10-11, 1878, with an estimated peak flow of 7,500 ft 3 /s on Rapid Creek (U.S. Army Corps of Engineers, 1973) and one life lost (Rapid City ...

On the evening of June 9, 1972, heavy thunderstorms caused devastating flash flooding throughout Rapid City and the eastern foothills of the Black Hills—destroying homes, vehicles, businesses, and bridges, and claiming 238 lives. Here is information about flood safety. Flash Flood Timeline. Media use of NWS Web News Stories is encouraged!

2015年3月27日 · By early 1972, the city took flood control measures, bought three blocks of land along Rapid Creek, and moved 22 families from them. The beginning of a "green-way," an urban flood way,...

In June of 1972 a devastating flood took the lives of 238 individuals. The Flood has had a lasting impact on the City’s memory, landscape, and development policies. Visit some of these archives to learn more about the flood and the individual experiences of those who lived through it.

On June 9, 1972 a disastrous flood swept through Rapid City, taking the lives of 238 residents and resulting in millions of dollars in damages. The Flood of 1972 collection consolidates information about this devastating event, and includes photographs, oral histories, written memories, radio and television broadcasts, and other documents.

2018年5月21日 · On June 9, 1972, an exceptionally heavy rain fell on areas of the Black Hilll that were already saturated by higher-than-normal seasonal precipitation. Fifteen inches of rain fell in just six hours. On the night of June 9, debris and rushing water caused the dam at Canyon Lake on the city's west side to fail.