Clarence Cannon Mem Wtrsd Site #4 Dam
Clarence Cannon Mem Wtrsd Site #4 Dam is an earth dam located in Lincoln County, Missouri, built in 1978. It carries a Significant hazard potential classification.
About Clarence Cannon Mem Wtrsd Site #4 Dam
The primary purpose of Clarence Cannon Mem Wtrsd Site #4 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 C Cannon Mem Wrsd Subdst (local government). It impounds the Tr-bryants Creek near Elsberry.
The dam stands 34 feet tall and stretches 900 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 828 acre-feet, and collects water from a drainage area of 2,490 square miles. Completed in 1978, the structure is 48 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 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 Creek |
| Coordinates | 39.17955, -90.88666 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 900 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 828 acre-ft |
| Max Storage | 828 acre-ft |
| Normal Storage | 80 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 2,490 sq mi |
| Max Discharge | 13,106 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | C CANNON MEM WRSD SUBDST |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO11311 |
| Federal ID | MO11311 |
| More Info | State Dam Safety Program |