Washington CO Road Dam 22-74-9 in Washington County, Iowa is a local government-owned structure designed by the Washington County Engineer for grade stabilization purposes along TR- Honey Creek.
Wind
Humidity
Completed in 2005, this earth dam stands at a height of 29 feet and has a length of 565 feet, providing a storage capacity of 217 acre-feet. With a low hazard potential and moderate risk assessment, the dam is regulated, permitted, inspected, and enforced by the Iowa Department of Natural Resources.
Located in Coppock, Iowa, this dam serves as a vital infrastructure for managing water resources in the area, with a surface area of 9.4 acres and a drainage area of 0.78 square miles. The spillway, measuring 10 feet in width, is uncontrolled, ensuring the safe release of excess water during high-flow events. While the condition of the dam is currently not rated, it meets regulatory guidelines and is subject to regular inspections to ensure its safety and effectiveness in flood control and water resource management.
With its strategic location and design, Washington CO Road Dam 22-74-9 plays a crucial role in protecting the local community from potential flooding events and stabilizing the grade along Honey Creek. As climate change continues to impact water resources, this dam stands as a testament to proactive infrastructure planning and management by local authorities in Washington County.
Year Completed |
2005 |
Dam Length |
565 |
Dam Height |
29 |
River Or Stream |
TR- HONEY CREEK |
Primary Dam Type |
Earth |
Surface Area |
9.4 |
Drainage Area |
0.78 |
Nid Storage |
217 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
29 |
North Skunk River Near Sigourney
|
97cfs |
English River At Kalona
|
41cfs |
Big Creek Near Mt. Pleasant
|
0cfs |
Cedar Creek Near Oakland Mills
|
10cfs |
Iowa River Near Lone Tree
|
1540cfs |
Des Moines River At Ottumwa
|
1090cfs |
| Location | Reservations | Toilets |
|---|---|---|
Lake Darling State Park
|
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Lake Darling State Park Campground
|
||
Brinton Timber
|
||
Skunk River Access
|
||
Crooked Creek Christian Camp
|
||
Manhattan Bridge Access
|