E. Br. S. Fk. Blackwater Wtrshed G-34
E. Br. S. Fk. Blackwater Wtrshed G-34 is a dam located in Johnson County, Missouri, built in 1957. It carries a Low hazard potential classification.
About E. Br. S. Fk. Blackwater Wtrshed G-34
The primary purpose of E. Br. S. Fk. Blackwater Wtrshed G-34 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 local government-owned. It impounds the Tr-s Fk Blackwater River near Sweet Springs.
The dam stands 25 feet tall, creates a reservoir covering 3 acres, has a maximum storage capacity of 40 acre-feet, and collects water from a drainage area of 150 square miles. Completed in 1957, 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 |
| River/Stream | Tr-s Fk Blackwater River |
| Coordinates | 38.82851, -94.02904 |
Physical Characteristics
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 40 acre-ft |
| Max Storage | 40 acre-ft |
| Normal Storage | 37 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 150 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO20742 |
| Federal ID | MO20742 |
| More Info | State Dam Safety Program |