E.br So Fk Blackwater B-11
E.br So Fk Blackwater B-11 is an earth dam located in Johnson County, Missouri, built in 1958. It carries a Low hazard potential classification.
About E.br So Fk Blackwater B-11
The primary purpose of E.br So Fk Blackwater B-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 Johnson Co Scd (local government). It impounds the Tr-e Br.so Fk.blackwater near Sweet Springs.
The dam stands 33 feet tall and stretches 780 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 88 acre-feet, and collects water from a drainage area of 160 square miles. Completed in 1958, 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 33 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Missouri |
| County | Johnson |
| Nearest City | Sweet Springs |
| River/Stream | Tr-e Br.so Fk.blackwater |
| Coordinates | 38.87957, -94.06779 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 31 ft |
| Dam Length | 780 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 88 acre-ft |
| Max Storage | 88 acre-ft |
| Normal Storage | 21 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 160 sq mi |
| Max Discharge | 1,574 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | JOHNSON CO SCD |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO50221 |
| Federal ID | MO50221 |
| More Info | State Dam Safety Program |