The Black Hills Flood of 1972

1972 Flood Image
Flood damage on East Blvd. at Omaha St. in Rapid City, June 10, 1972 (photo courtesy of the Rapid City Journal).

Weather Summary

As much as 15 inches of rain fell over parts of the Black Hills on June 9, 1972.  Find out more about the weather patterns that contributed to the devastating flood.

1972 Flash Flood Time Line

Follow the events of June 9, 1972.

Technology Changes and Community Mitigation Projects

Improvements in communications, technology, zoning, and infrastructure have been implemented to create a safer community.

Summary of Historic Flood Events

Review historic floods and flash floods across western South Dakota and northeastern Wyoming.

Flood Comparisons

See how the 1972 Black Hills Flood compares with other floods in the United States and learn more about different types of flooding.

Safety and Preparedness

Even the best warning systems can't prevent lost of lives if people don't plan for disasters.  Here's information on how to keep you and your family safe.

Acknowledgments and References

If you have questions about flooding or flood safety, please contact our Hydrology Department. is the U.S. government's official web portal to all federal, state and local government web resources and services.