Clarence Cannon #1 Dam
Clarence Cannon #1 Dam is an earth dam located in Lincoln County, Missouri, built in 1977. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Clarence Cannon #1 Dam
The primary purpose of Clarence Cannon #1 Dam 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 Clar Cannon Meml Wtrsd (local government). It impounds the Bryants Creek near Elsberry.
The dam stands 48 feet tall and stretches 500 feet across, creates a reservoir covering 28 acres, has a maximum storage capacity of 2,064 acre-feet, and collects water from a drainage area of 10 square miles. Completed in 1977, the structure is 49 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 01/07/2021.
At 48 feet, this dam is taller than 92% of dams nationwide.
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Location
| State | Missouri |
| County | Lincoln |
| Nearest City | Elsberry |
| River/Stream | Bryants Creek |
| Coordinates | 39.16341, -90.89844 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 48 ft |
| Dam Height | 48 ft |
| Dam Length | 500 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 2,064 acre-ft |
| Max Storage | 2,064 acre-ft |
| Normal Storage | 176 acre-ft |
| Surface Area | 28 acres |
| Drainage Area | 10 sq mi |
| Max Discharge | 10,155 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | CLAR CANNON MEML WTRSD |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 01/07/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MO11310 |
| Federal ID | MO11310 |
| More Info | State Dam Safety Program |