Little Sioux River Bedgrade Control
Little Sioux River Bedgrade Control is a dam located in Harrison County, Iowa, built in 1985. It carries a Low hazard potential classification.
About Little Sioux River Bedgrade Control
The primary purpose of Little Sioux River Bedgrade Control is grade stabilization. Grade stabilization dams prevent erosion by reducing the slope and velocity of water flowing through a channel. They're commonly used to stop gullies from deepening and to protect downstream land and infrastructure. The dam is owned by Little Sioux River Inter-county Drainage District (local government). It impounds the Little Sioux River.
The dam stands 8 feet tall and stretches 170 feet across, has a maximum storage capacity of 125 acre-feet, and collects water from a drainage area of 3,538 square miles. Completed in 1985, the structure is 41 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.
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Location
| State | Iowa |
| County | Harrison |
| River/Stream | Little Sioux River |
| Coordinates | 41.86270, -95.99690 |
Physical Characteristics
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 170 ft |
| Year Completed | 1985 (41 years old) |
Storage & Hydraulics
| NID Storage | 125 acre-ft |
| Max Storage | 125 acre-ft |
| Drainage Area | 3,538 sq mi |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | Little Sioux River Inter-County Drainage District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA04038 |
| Federal ID | IA04038 |
| More Info | State Dam Safety Program |