Ahquabi Dredge Spoil Containment Dam 1a is an earth dam located in Warren County, Iowa, built in 1995. It carries a Low hazard potential classification.
Dam profile
NID height · 39 ft39 ft tall and 673 ft long, taller than 85% 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 Ahquabi Dredge Spoil Containment Dam 1a
The primary purpose of Ahquabi Dredge Spoil Containment Dam 1a is debris control. The dam is designed to catch sediment, rocks, and debris carried by flowing water — particularly important in areas prone to mudslides or heavy erosion. The dam is owned by Iowa Department of Natural Resources (state). It impounds the Tr- Squaw Creek near Indianola.
The dam stands 39 feet tall and stretches 673 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 168 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1995, the structure is 31 years old.
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 39 feet, this dam is taller than 85% of dams nationwide.
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Location
| State | Iowa |
| County | Warren |
| Nearest City | Indianola |
| River/Stream | Tr- Squaw Creek |
| Coordinates | 41.27440, -93.58940 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 39 ft |
| Dam Height | 39 ft |
| Dam Length | 673 ft |
| Year Completed | 1995 (31 years old) |
Storage & Hydraulics
| NID Storage | 168 acre-ft |
| Max Storage | 168 acre-ft |
| Normal Storage | 114 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Debris Control |
| Owner | Iowa Department of Natural Resources |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA03098 |
| Federal ID | IA03098 |
| More Info | State Dam Safety Program |