South Fork Blackwater River Dam A- 3
South Fork Blackwater River Dam A- 3 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- 3
The primary purpose of South Fork Blackwater River Dam A- 3 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.wshd.sbdst (local government). It impounds the Tr-w Reach S.fk.blckwtr near Kingsville, Mo.
The dam stands 27 feet tall and stretches 610 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 341 acre-feet, and collects water from a drainage area of 6 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 | Kingsville, Mo |
| River/Stream | Tr-w Reach S.fk.blckwtr |
| Coordinates | 38.78353, -94.05222 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 25 ft |
| Dam Length | 610 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 341 acre-ft |
| Max Storage | 341 acre-ft |
| Normal Storage | 37 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 957 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | S.FK.BLKWTR R.WSHD.SBDST |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO50243 |
| Federal ID | MO50243 |
| More Info | State Dam Safety Program |