Mill Picayune Watershed Site M-35-1
Mill Picayune Watershed Site M-35-1 is an earth dam located in Crawford County, Iowa, built in 1984. It carries a Significant hazard potential classification.
About Mill Picayune Watershed Site M-35-1
The primary purpose of Mill Picayune Watershed Site M-35-1 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 Crawford County Swcd (local government). It impounds the Bee Tree Cr. near Manteno.
The dam stands 37 feet tall and stretches 636 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 134 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1984, the structure is 42 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life.
At 37 feet, this dam is taller than 84% of dams nationwide.
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Location
| State | Iowa |
| County | Crawford |
| Nearest City | Manteno |
| River/Stream | Bee Tree Cr. |
| Coordinates | 41.88970, -95.45980 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 37 ft |
| Dam Height | 37 ft |
| Dam Length | 636 ft |
| Year Completed | 1984 (42 years old) |
Storage & Hydraulics
| NID Storage | 134 acre-ft |
| Max Storage | 134 acre-ft |
| Normal Storage | 52 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Crawford County SWCD |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA02244 |
| Federal ID | IA02244 |
| More Info | State Dam Safety Program |