E.br So Fk Blackwater D-21
E.br So Fk Blackwater D-21 is an earth dam located in Johnson County, Missouri, built in 1956. It carries a Low hazard potential classification.
About E.br So Fk Blackwater D-21
The primary purpose of E.br So Fk Blackwater D-21 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, Mo.
The dam stands 28 feet tall and stretches 390 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 47 acre-feet, and collects water from a drainage area of 96 square miles. Completed in 1956, 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.
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Location
| State | Missouri |
| County | Johnson |
| Nearest City | Sweet Springs, Mo |
| River/Stream | Tr-e.br.so.fk.blackwater |
| Coordinates | 38.85016, -94.06503 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 26 ft |
| Dam Length | 390 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 47 acre-ft |
| Max Storage | 47 acre-ft |
| Normal Storage | 19 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 96 sq mi |
| Max Discharge | 229 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 | MO50226 |
| Federal ID | MO50226 |
| More Info | State Dam Safety Program |