Clarence Cannon Mem Watershed Dam 11
Clarence Cannon Mem Watershed Dam 11 is an earth dam located in Lincoln County, Missouri, built in 1974. It carries a Low hazard potential classification.
About Clarence Cannon Mem Watershed Dam 11
The primary purpose of Clarence Cannon Mem Watershed Dam 11 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Cannon Mem Wrsd Subdistr (local government). It impounds the Tr-bryants Cr near Elsberry.
The dam stands 34 feet tall and stretches 685 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 128 acre-feet, and collects water from a drainage area of 147 square miles. Completed in 1974, 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 34 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Missouri |
| County | Lincoln |
| Nearest City | Elsberry |
| River/Stream | Tr-bryants Cr |
| Coordinates | 39.18356, -90.87548 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 33 ft |
| Dam Length | 685 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 128 acre-ft |
| Max Storage | 128 acre-ft |
| Normal Storage | 27 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 147 sq mi |
| Max Discharge | 470 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | CANNON MEM WRSD SUBDISTR |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO12111 |
| Federal ID | MO12111 |
| More Info | State Dam Safety Program |