Diamond Lake Watershed Site C-14 in Iowa is a significant earth dam completed in 1972 by the USDA NRCS with a primary purpose of fire protection, stock, or small fish pond, and flood risk reduction.
Wind
Humidity
Located in Poweshiek County, Iowa, near the city of Montezuma, this dam has a height of 29 feet and a length of 638 feet, providing a storage capacity of 115 acre-feet. The dam is state-regulated and inspected by the Iowa DNR, with a significant hazard potential and a moderate risk assessment rating.
The dam's spillway type is uncontrolled, and it is situated on TR-Moon Creek, with a drainage area of 0.81 square miles. With a surface area of 7.9 acres and a normal storage capacity of 42 acre-feet, Diamond Lake Watershed Site C-14 plays a crucial role in managing water resources in the region. Despite not being rated for condition assessment, the dam is actively monitored for potential risks and management measures are in place to ensure its safety and functionality for the local community and environment.
Water resource and climate enthusiasts can appreciate Diamond Lake Watershed Site C-14 for its role in fire protection, stock, and small fish pond management, as well as flood risk reduction in the area. With its historical significance and ongoing regulatory oversight, this earth dam serves as a key infrastructure for water management and environmental protection efforts in Poweshiek County, Iowa.
Year Completed |
1972 |
Dam Length |
638 |
Dam Height |
29 |
River Or Stream |
TR-MOON CREEK |
Primary Dam Type |
Earth |
Surface Area |
7.9 |
Drainage Area |
0.81 |
Nid Storage |
115 |
Hazard Potential |
Significant |
Foundations |
Soil |
Nid Height |
29 |
South Skunk River Near Oskaloosa
|
485cfs |
Walnut Creek Near Hartwick
|
13cfs |
Big Bear Creek At Ladora
|
37cfs |
Richland Creek Near Haven
|
12cfs |
Iowa River Near Belle Plaine
|
966cfs |
North Skunk River Near Sigourney
|
97cfs |
| Location | Reservations | Toilets |
|---|---|---|
Diamond Lake County Park
|
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Robertson Access
|
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Union Mills Access
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