Legacy Farms Dam
Legacy Farms Dam is an earth dam located in Montgomery County, Iowa, built in 2023. It carries a Low hazard potential classification.
About Legacy Farms Dam
The primary purpose of Legacy Farms Dam 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 Legacy Farms Llc (private). It impounds the Unnamed Trib To Sevenmile Cr near Villisca.
The dam stands 36 feet tall and stretches 502 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 64 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2023, 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 36 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Iowa |
| County | Montgomery |
| Nearest City | Villisca |
| River/Stream | Unnamed Trib To Sevenmile Cr |
| Coordinates | 41.06880, -95.04230 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 36 ft |
| Dam Length | 502 ft |
| Year Completed | 2023 (3 years old) |
Storage & Hydraulics
| NID Storage | 64 acre-ft |
| Max Storage | 64 acre-ft |
| Normal Storage | 19 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | Legacy Farms LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA04417 |
| Federal ID | IA04417 |
| More Info | State Dam Safety Program |