Jackson Dam is an earth dam located in Montgomery County, Iowa, built in 2022. It carries a Low hazard potential classification.
Dam profile
NID height · 34 ft34 ft tall and 515 ft long, taller than 78% 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 Jackson Dam
The primary purpose of Jackson 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 Michael Jackson (private). It impounds the Unnamed Trib near Villisca.
The dam stands 34 feet tall and stretches 515 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 87 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2022, 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 34 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Iowa |
| County | Montgomery |
| Nearest City | Villisca |
| River/Stream | Unnamed Trib |
| Coordinates | 41.00330, -94.94800 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 515 ft |
| Year Completed | 2022 (4 years old) |
Storage & Hydraulics
| NID Storage | 87 acre-ft |
| Max Storage | 87 acre-ft |
| Normal Storage | 21 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 115 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | Michael Jackson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA04377 |
| Federal ID | IA04377 |
| More Info | State Dam Safety Program |