Mc Donald Subwatershed Site 5-2290 is an earth dam located in Woodbury County, Iowa, built in 1959. It carries a Low hazard potential classification.
Dam profile
NID height · 33 ft33 ft tall and 628 ft long, taller than 76% 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 Mc Donald Subwatershed Site 5-2290
The primary purpose of Mc Donald Subwatershed Site 5-2290 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 Woodbury County Swcd (local government). It impounds the Tr-little Sioux River near Mapleton.
The dam stands 33 feet tall and stretches 628 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 27 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1959, 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 11/21/1963. That was over 62 years ago.
At 33 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Iowa |
| County | Woodbury |
| Nearest City | Mapleton |
| River/Stream | Tr-little Sioux River |
| Coordinates | 42.21860, -95.93820 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 628 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 27 acre-ft |
| Max Storage | 27 acre-ft |
| Normal Storage | 14 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Woodbury County Swcd |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 11/21/1963 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01281 |
| Federal ID | IA01281 |
| More Info | State Dam Safety Program |