Louisa County Raodgrade Dam 36-73-3 is an earth dam located in Louisa County, Iowa, built in 2002. It carries a Low hazard potential classification.
Dam profile
NID height · 40 ft40 ft tall and 530 ft long, taller than 86% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Louisa County Raodgrade Dam 36-73-3
The primary purpose of Louisa County Raodgrade Dam 36-73-3 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 Louisa County (local government). It impounds the Tr- Smith Creek near Oakville.
The dam stands 40 feet tall and stretches 530 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 150 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2002, the structure is relatively new.
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.
At 40 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | Iowa |
| County | Louisa |
| Nearest City | Oakville |
| River/Stream | Tr- Smith Creek |
| Coordinates | 41.08530, -91.14250 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 530 ft |
| Year Completed | 2002 (24 years old) |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Normal Storage | 64 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | Louisa County |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA03710 |
| Federal ID | IA03710 |
| More Info | State Dam Safety Program |