Clarence Cannon Mem Watershed Dam 9
Clarence Cannon Mem Watershed Dam 9 is an earth dam located in Lincoln County, Missouri, built in 1978. It carries a Low hazard potential classification.
About Clarence Cannon Mem Watershed Dam 9
The primary purpose of Clarence Cannon Mem Watershed Dam 9 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 Dry Fork Cr near Elsberry.
The dam stands 36 feet tall and stretches 790 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 300 acre-feet, and collects water from a drainage area of 192 square miles. Completed in 1978, the structure is 48 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 36 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Missouri |
| County | Lincoln |
| Nearest City | Elsberry |
| River/Stream | Dry Fork Cr |
| Coordinates | 39.21499, -90.86587 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 34 ft |
| Dam Length | 790 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 300 acre-ft |
| Max Storage | 300 acre-ft |
| Normal Storage | 49 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 192 sq mi |
| Max Discharge | 535 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 | MO11254 |
| Federal ID | MO11254 |
| More Info | State Dam Safety Program |