South Fork Blackwater River Dam A- 2
South Fork Blackwater River Dam A- 2 is an earth dam located in Johnson County, Missouri, built in 1966. It carries a Low hazard potential classification.
About South Fork Blackwater River Dam A- 2
The primary purpose of South Fork Blackwater River Dam A- 2 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 S.fk.blkwtr R Wrsd Subdt (local government). It impounds the Tr-w.br.s.fk.blackwater R near Sweet Springs.
The dam stands 26 feet tall and stretches 785 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 266 acre-feet, and collects water from a drainage area of 262 square miles. Completed in 1966, 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-w.br.s.fk.blackwater R |
| Coordinates | 38.79657, -94.08362 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 24 ft |
| Dam Length | 785 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 266 acre-ft |
| Max Storage | 266 acre-ft |
| Normal Storage | 31 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 262 sq mi |
| Max Discharge | 770 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | S.FK.BLKWTR R WRSD SUBDT |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO50235 |
| Federal ID | MO50235 |
| More Info | State Dam Safety Program |