Audubon Fn-44-3(s)-21-05 is an earth dam located in Audubon County, Iowa, built in 1977. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 740 ft long, taller than 50% 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 Audubon Fn-44-3(s)-21-05
Audubon Fn-44-3(s)-21-05 is a dam in Audubon, Iowa. The dam is owned by Iowa Department of Transportation (state). It impounds the Tr-n.branch Troublesome Creek near Atlantic.
The dam stands 25 feet tall and stretches 740 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 150 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1977, the structure is 49 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. The most recent inspection on record was 02/08/1990. That was over 36 years ago.
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Location
| State | Iowa |
| County | Audubon |
| Nearest City | Atlantic |
| River/Stream | Tr-n.branch Troublesome Creek |
| Coordinates | 41.67430, -94.76180 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 740 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Normal Storage | 36 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Iowa Department of Transportation |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 02/08/1990 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01927 |
| Federal ID | IA01927 |
| More Info | State Dam Safety Program |