North Pigeon Cr Watershed Site 4-1 is an earth dam located in Pottawattamie County, Iowa, built in 1971. It carries a Low hazard potential classification.
Dam profile
NID height · 57 ft57 ft tall and 1,104 ft long, taller than 94% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About North Pigeon Cr Watershed Site 4-1
The primary purpose of North Pigeon Cr Watershed Site 4-1 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 West Pottawattamie County Swcd (local government). It impounds the Tr-pigeon Creek near Crescent.
The dam stands 57 feet tall and stretches 1,104 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 302 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1971, 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. The most recent inspection on record was 12/06/1960. That was over 65 years ago.
At 57 feet, this dam is taller than 94% of dams nationwide.
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Location
| State | Iowa |
| County | Pottawattamie |
| Nearest City | Crescent |
| River/Stream | Tr-pigeon Creek |
| Coordinates | 41.43970, -95.83020 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 57 ft |
| Dam Height | 57 ft |
| Dam Length | 1,104 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 302 acre-ft |
| Max Storage | 302 acre-ft |
| Normal Storage | 200 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | West Pottawattamie County Swcd |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/06/1960 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00925 |
| Federal ID | IA00925 |
| More Info | State Dam Safety Program |