Designed by Richard L King, the dam stands at a height of 25 feet with a length of 1270 feet, providing a storage capacity of 99 acre-feet and covering a surface area of 10 acres. Situated on the TR-East Wapsipinicon River, the dam is regulated by the Iowa Department of Natural Resources and has a low hazard potential with a moderate risk assessment.
Despite its uncontrolled spillway and lack of outlet gates, Split Rock Dam has been deemed structurally sound with a condition assessment of "Not Rated". Located in Chickasaw County, the dam offers a serene recreational area for water resource and climate enthusiasts to explore. With its close proximity to the city of Frederika and the Rock Island District, the dam serves as a vital water resource for the community while also providing a picturesque setting for outdoor activities. As a well-maintained and regulated structure, Split Rock Dam is an important asset for water management in the region.
Wind
Humidity
Year Completed |
1964 |
Dam Length |
1270 |
Dam Height |
25 |
River Or Stream |
TR-EAST WAPSIPINICON |
Primary Dam Type |
Earth |
Surface Area |
10 |
Drainage Area |
0.2 |
Nid Storage |
99 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
25 |
Wapsipinicon River Near Tripoli
|
106cfs |
Little Cedar River Near Ionia
|
70cfs |
Cedar River At Waverly
|
436cfs |
Cedar River At Janesville
|
711cfs |
Shell Rock River At Shell Rock
|
484cfs |
Turkey River Near Eldorado
|
206cfs |
| Location | Reservations | Toilets |
|---|---|---|
Split Rock County Park
|
||
Alcock Park
|
||
North Woods Park Campground
|
||
North Woods Park
|
||
Twin Ponds Co Park - West
|
||
Twin Ponds Co Park - East
|