South Fork Blackwater River Dam E- 25a

PIN OAK CREEK· Johnson, Missouri· Built 1982· Earth· 28 ft tall
Low Hazard Grade Stabilization Local Government

Key Takeaway

South Fork Blackwater River Dam E- 25a is classified as low hazard in Missouri. It was completed in 1982 and is 44 years old. Its primary use is grade stabilization.

Physical Details

Dam Height 28 ft (taller than 54.3% in MO)
Dam Length720 ft
Dam TypeEarth
Max Storage277 acre-ft
Normal Storage127 acre-ft
Surface Area1 acres
Drainage Area339 sq mi
Max Discharge297 cfs
Year Completed1982 (44 years old)
NID IDMO51355

Safety Information

Low Hazard

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?

Emergency Action Plan: No
Last Inspection: November 1, 2004
State Regulated: No

Ownership

S.FK.BLKWTR.WTRSHD.DISTRICT

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of South Fork Blackwater River Dam E- 25a?

South Fork Blackwater River Dam E- 25a 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 E- 25a?

South Fork Blackwater River Dam E- 25a is owned by S.FK.BLKWTR.WTRSHD.DISTRICT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was South Fork Blackwater River Dam E- 25a built?

South Fork Blackwater River Dam E- 25a was completed in 1982, making it 44 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 E- 25a?

South Fork Blackwater River Dam E- 25a 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 E- 25a?

South Fork Blackwater River Dam E- 25a has a dam height of 28 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.

When was South Fork Blackwater River Dam E- 25a last inspected?

South Fork Blackwater River Dam E- 25a was last inspected on November 1, 2004. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.