Resource

Thompson Mill Dam Removal - The Intersection of Community Resilience, Environmental Restoration and Public Safety

Resource Type
ASDSO Conference Papers
Reference Title
Thompson Mill Dam Removal - The Intersection of Community Resilience, Environmental Restoration and Public Safety
Author/Presenter
Johnson, Manuela
Organization/Agency
Association of State Dam Safety Officials
Publisher Name
Association of State Dam Safety Officials
Year
2025
Date
09/21/2025
Event Name
Dam Safety 2025
Event Location
Cleveland, Ohio
ASDSO Session Title
Session 18: Dam Removal
Topic Location
Indiana
Abstract/Additional Information

ABSTRACT ONLY - Mills and their power-generating dams were integral to society in the 1800s and early 1900s, not only grinding grains into flour but also powering lumber processing equipment for homes and businesses. Wherever  there was a community, a water-powered mill was nearby, feeding the community’s needs and growth.  Thompson Mill not only served the Town of Edinburgh, Indiana, but was also key in supporting the military  during World War I by providing flour for American soldiers. The history of the mill, the dam, and the community  is well-documented, but the removal of the severely damaged and deteriorated dam exposed a new chapter of  the community’s history. The removal of the dam was a complicated community decision, with emotions running  high. Key visual reminders of the dam were left in place, and as the river returns to its natural course, it frames  the newly discovered historic artifacts that predated the dam and were hidden for over 200 years. Working  closely with the State Historic Preservation Office, the community can now safely access the river, enjoy a  renewed diverse fish population, and celebrate the historic resources remaining at the site. This presentation is  a case study of the life and death (decommissioning and removal) of this beloved community mill dam after it  lost its foundational support and underscores the importance of balancing cultural heritage preservation with  environmental restoration and public safety, highlighting the community’s resilience and adaptability.