Coolidge Creek Dam, also known as Westlake Village Dam, is a private earth dam located in Pecatonica, Illinois, on Coolidge Creek.
Wind
Humidity
Built in 1998 by Hanson Engineers, Inc., this recreational dam stands at a height of 22 feet with a length of 1600 feet. It has a storage capacity of 1620 acre-feet, with a normal storage level of 507 acre-feet and a surface area of 83 acres.
Managed by the Illinois Department of Natural Resources, Coolidge Creek Dam has a low hazard potential and a moderate risk assessment rating. The dam features an uncontrolled spillway with a width of 70 feet and uncontrolled outlet gates. While the dam is inspected every five years, its condition assessment is currently not available. Despite its recreational purpose, the dam's risk management measures and emergency action plan status remain unclear.
Located within Winnebago County, Coolidge Creek Dam serves as a popular spot for outdoor activities in the area. With its picturesque surroundings and ample storage capacity, the dam provides both recreational opportunities and essential water resource management for the local community. Climate and water resource enthusiasts can appreciate the engineering behind this structure and its role in balancing human needs with environmental conservation.
Year Completed |
1998 |
Dam Length |
1600 |
Dam Height |
22 |
River Or Stream |
COOLIDGE CREEK |
Primary Dam Type |
Earth |
Surface Area |
83 |
Drainage Area |
10.5 |
Nid Storage |
1620 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
22 |
Pecatonica River Nr Shirland
|
990cfs |
Rock River At Byron
|
4300cfs |
Rock River At Rockton
|
2570cfs |
Kishwaukee River Near Perryville
|
275cfs |
Pecatonica River At Freeport
|
673cfs |
Sugar River Near Brodhead
|
283cfs |
| Location | Reservations | Toilets |
|---|---|---|
Rivers Edge Campground
|
||
Sugar River Forest Preserve - Riverfront
|
||
Sugar River Forest Preserve - Pine Tree
|
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ORPR Camp
|