Mill Picayune Watershed Site M-2-1
Mill Picayune Watershed Site M-2-1 is an earth dam located in Harrison County, Iowa, built in 1967. It carries a Low hazard potential classification.
About Mill Picayune Watershed Site M-2-1
The primary purpose of Mill Picayune Watershed Site M-2-1 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-mill Creek near Woodbine.
The dam stands 61 feet tall and stretches 340 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 76 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1967, 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 61 feet, this dam is taller than 95% of all dams in the United States.
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Location
| State | Iowa |
| County | Harrison |
| Nearest City | Woodbine |
| River/Stream | Tr-mill Creek |
| Coordinates | 41.83140, -95.59070 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 61 ft |
| Dam Height | 61 ft |
| Dam Length | 340 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 76 acre-ft |
| Max Storage | 76 acre-ft |
| Normal Storage | 42 acre-ft |
| Surface Area | 4 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 Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00457 |
| Federal ID | IA00457 |
| More Info | State Dam Safety Program |