Iowa Noname40 is an earth dam located in Pottawattamie County, Iowa, built in 1972. It carries a Low hazard potential classification.
Dam profile
NID height · 42 ft42 ft tall and 676 ft long, taller than 88% 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 Iowa Noname40
The primary purpose of Iowa Noname40 is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Pottawattamie County Board of Supervisors (local government). It impounds the Tr-little Keg Creek near Glenwood.
The dam stands 42 feet tall and stretches 676 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 52 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1972, the structure is well into its service life at over 50 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 42 feet, this dam is taller than 88% of dams nationwide.
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Location
| State | Iowa |
| County | Pottawattamie |
| Nearest City | Glenwood |
| River/Stream | Tr-little Keg Creek |
| Coordinates | 41.27180, -95.70850 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Height | 42 ft |
| Dam Length | 676 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 52 acre-ft |
| Max Storage | 52 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Pottawattamie County Board of Supervisors |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00930 |
| Federal ID | IA00930 |
| More Info | State Dam Safety Program |