Hallquist Dam
Hallquist Dam is an earth dam located in Montgomery County, Iowa, built in 2022. It carries a Low hazard potential classification.
About Hallquist Dam
The primary purpose of Hallquist 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 Kevin Hallquist (private). It impounds the Unnamed Trib To Tarkio R near Stanton.
The dam stands 34 feet tall and stretches 610 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 84 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 80% of dams nationwide.
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Location
| State | Iowa |
| County | Montgomery |
| Nearest City | Stanton |
| River/Stream | Unnamed Trib To Tarkio R |
| Coordinates | 41.00030, -95.11940 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 610 ft |
| Year Completed | 2022 (4 years old) |
Storage & Hydraulics
| NID Storage | 84 acre-ft |
| Max Storage | 84 acre-ft |
| Normal Storage | 22 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | Kevin Hallquist |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA04398 |
| Federal ID | IA04398 |
| More Info | State Dam Safety Program |