Mill Picayune Watershed Site N-13-2 is an earth dam located in Harrison County, Iowa, built in 1961. It carries a Low hazard potential classification.
Dam profile
NID height · 40 ft40 ft tall and 600 ft long, taller than 86% 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 Mill Picayune Watershed Site N-13-2
The primary purpose of Mill Picayune Watershed Site N-13-2 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 Harrison County Swcd (local government). It impounds the North Picayune Creek near Woodbine.
The dam stands 40 feet tall and stretches 600 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 118 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1961, 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 10/31/1963. That was over 62 years ago.
At 40 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | Iowa |
| County | Harrison |
| Nearest City | Woodbine |
| River/Stream | North Picayune Creek |
| Coordinates | 41.77970, -95.57010 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 600 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 118 acre-ft |
| Max Storage | 118 acre-ft |
| Normal Storage | 45 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Harrison County Swcd |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/31/1963 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00472 |
| Federal ID | IA00472 |
| More Info | State Dam Safety Program |