Hacklebarney - Pierson Dam
Hacklebarney - Pierson Dam is an earth dam located in Montgomery County, Iowa, built in 2005. It carries a Low hazard potential classification.
About Hacklebarney - Pierson Dam
The primary purpose of Hacklebarney - Pierson 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 Frances Pierson (private). It impounds the Trib To W. Nodaway River near Villisca.
The dam stands 26 feet tall and stretches 420 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 89 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2005, 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.
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Location
| State | Iowa |
| County | Montgomery |
| Nearest City | Villisca |
| River/Stream | Trib To W. Nodaway River |
| Coordinates | 40.97500, -95.05220 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 420 ft |
| Year Completed | 2005 (21 years old) |
Storage & Hydraulics
| NID Storage | 89 acre-ft |
| Max Storage | 89 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 105 cfs |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | Frances Pierson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA04064 |
| Federal ID | IA04064 |
| More Info | State Dam Safety Program |