Mill Picayune Watershed Site P-39-1 is an earth dam located in Harrison County, Iowa, built in 1989. It carries a Low hazard potential classification.
Dam profile
NID height · 51 ft51 ft tall and 690 ft long, taller than 93% 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 Mill Picayune Watershed Site P-39-1
The primary purpose of Mill Picayune Watershed Site P-39-1 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 Harrison County Swcd (local government). It impounds the Tr- Picayune Creek near Woodbine.
The dam stands 51 feet tall and stretches 690 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 322 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1989, the structure is 37 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 51 feet, this dam is taller than 93% of dams nationwide.
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Location
| State | Iowa |
| County | Harrison |
| Nearest City | Woodbine |
| River/Stream | Tr- Picayune Creek |
| Coordinates | 41.73350, -95.56480 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 51 ft |
| Dam Height | 51 ft |
| Dam Length | 690 ft |
| Year Completed | 1989 (37 years old) |
Storage & Hydraulics
| NID Storage | 322 acre-ft |
| Max Storage | 322 acre-ft |
| Normal Storage | 142 acre-ft |
| Surface Area | 13 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 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA02496 |
| Federal ID | IA02496 |
| More Info | State Dam Safety Program |