Historical Information
1. Dam Name: Middletown Hydraulic Dam
2. Estimate height of dam in feet - 10'
3. Dam Type:
a) earthfill dam ____
b) concrete arch dam ____
c) gravity dam ____
d) masonry dam ____
e) timber cribs - X
f) other, please explain - Original dam was timber cribs and was modified to concrete dam.
4. Location Description: Located on the Great Miami River in Butler County
5. Year Constructed: 1840 Year Removed: 1993
6. Dam Owner:
a) public ____X
b) private ____
c) abandoned - X
a) generate hydropower ____
b) irrigation ____
c) domestic water supply ____
d) navigation - X
e) flood control ____
f) recreation ____
g) industrial water supply ____
h) unknown _____
8. What repairs have been done to the dam? Dam failed in 1993.
9. Reason(s) for Removal:
a) aesthetic enhancement ____
b) fish and wildlife habitat improvement ___ c) cost savings ____
d) community revitalization ____
e) public safety hazard - X
f) water quality improvement ____
g) recreational improvement ____
h) alternative to dam ____
10. Project Sponsor (who initiated project): ODNR, Division of Water
11. Dam Removal Funding Sources:
a) federal ____
b) state - X
c) local governmental agencies ____
d) other (please explain) ___________
12. Cost of Dam Removal: $ 231,975
13. List all Contractors by Name, include Address and Telephone #:
1) Miami Conservancy District
33 E. Monument Avenue
Dayton, OH 45402
(937) 223-1271
a) federal - X
b) state____
c) municipal ____
a) before removal - X
b) during removal - X
c) after removal ____
a) before removal - Unable to inspect the dam closely to notice seepage.
b) during removal - Flows of the river impacted removal.
c) after removal - Erosion of downstream dike due to change of flow direction.
a) Estimated Reservoir Area in acres - 90
b) Composition of river bed (e.g., sand, pebbles, boulders, bedrock)
Sand and Pebbles
c) Types of Fish caught in the river________
d) Water Quality
i) behind the dam Good____ Fair - X Poor______
ii) below the dam Good____ Fair - X Poor______
18. Were any studies of the river conducted before the dam was removed?
Yes or No - No
If yes, who conducted the studies and who is the contact for obtaining them?
19. Have studies been conducted on the river after the dam was removed to document changes in the river?
Yes or No - No
If yes, who conducted the studies and who is the contact for obtaining them?