South Fork Blackwater River Dam A-27
Key Takeaway
South Fork Blackwater River Dam A-27 is classified as low hazard in Missouri. It was completed in 1965 and is 61 years old. Its primary use is grade stabilization.
Physical Details
| Dam Height | 24 ft (taller than 20.3% in MO) |
| Dam Length | 560 ft |
| Dam Type | Earth |
| Max Storage | 147 acre-ft |
| Normal Storage | 59 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 593 sq mi |
| Max Discharge | 305 cfs |
| Year Completed | 1965 (61 years old) |
| NID ID | MO50242 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
S.FK.BLKWTR.WSHD.SUBDIST
Local Government
Nearby Dams
South Fork Blackwater River Dam A- 1
Johnson, MO
High Hazard 29 ftSouth Fork Blackwater River Dam A- 2
Johnson, MO
Low Hazard 24 ftE.Br So Fk Blackwater F-28
Johnson, MO
Low Hazard 26 ftE. Br. S. Fk. Blackwater Wtrshed F-28
Johnson, MO
Significant Hazard 26 ftRadmacher Dam Lower
Johnson, MO
Low Hazard 34 ftSouth Fork Blackwater River Dam A- 3
Johnson, MO
Low Hazard 25 ftE.Br So Fk Blackwater F-33
Johnson, MO
Low Hazard 30 ftKnapp Dam
Johnson, MO
Low Hazard 37 ftFrequently Asked Questions
What is the hazard classification of South Fork Blackwater River Dam A-27?
South Fork Blackwater River Dam A-27 is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates South Fork Blackwater River Dam A-27?
South Fork Blackwater River Dam A-27 is owned by S.FK.BLKWTR.WSHD.SUBDIST (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was South Fork Blackwater River Dam A-27 built?
South Fork Blackwater River Dam A-27 was completed in 1965, making it 61 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of South Fork Blackwater River Dam A-27?
South Fork Blackwater River Dam A-27 serves the following purposes: Grade Stabilization. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is South Fork Blackwater River Dam A-27?
South Fork Blackwater River Dam A-27 has a dam height of 24 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.