Mill Picayune Watershed Site M-6
Mill Picayune Watershed Site M-6 is an earth dam located in Shelby County, Iowa, built in 1961. It carries a Low hazard potential classification.
About Mill Picayune Watershed Site M-6
The primary purpose of Mill Picayune Watershed Site M-6 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 Shelby County Board Of Supervisors (local government). It impounds the Mill Creek near Manteno.
The dam stands 40 feet tall and stretches 650 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 212 acre-feet, and collects water from a drainage area of 6 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.
At 40 feet, this dam is taller than 87% of dams nationwide.
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Location
| State | Iowa |
| County | Shelby |
| Nearest City | Manteno |
| River/Stream | Mill Creek |
| Coordinates | 41.86330, -95.49210 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 650 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 212 acre-ft |
| Max Storage | 212 acre-ft |
| Normal Storage | 110 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 6 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Shelby County Board of Supervisors |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01000 |
| Federal ID | IA01000 |
| More Info | State Dam Safety Program |