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.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height36 ft
Built20233 years ago

Dam profile

NID height · 36 ft
36 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

36 ft tall and 502 ft long, taller than 82% 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 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 82% of dams nationwide.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Location

StateIowa
CountyMontgomery
Nearest CityVillisca
River/StreamUnnamed Trib to Sevenmile Cr
Coordinates41.06880, -95.04230

Physical Characteristics

Dam TypeEarth
NID Height36 ft
Dam Height36 ft
Dam Length502 ft
Year Completed2023 (3 years old)

Storage & Hydraulics

NID Storage64 acre-ft
Max Storage64 acre-ft
Normal Storage19 acre-ft
Surface Area3 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeGrade Stabilization
OwnerLegacy Farms LLC
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot assessed
Emergency Action PlanNot Required

Identifiers

NID IDIA04417
Federal IDIA04417
More InfoState Dam Safety Program