E.Br So Fk Blackwater E-26

TR-E.BR.SO.FK.BLACKWATER· Johnson, Missouri· Built 1956· Earth· 30 ft tall
Low Hazard Flood Risk Reduction Local Government

Key Takeaway

E.Br So Fk Blackwater E-26 is classified as low hazard in Missouri. It was completed in 1956 and is 70 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 30 ft (taller than 63.5% in MO)
Dam Length480 ft
Dam TypeEarth
Max Storage191 acre-ft
Normal Storage74 acre-ft
Surface Area6 acres
Drainage Area243 sq mi
Max Discharge842 cfs
Year Completed1956 (70 years old)
NID IDMO50229

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
State Regulated: No

Ownership

JOHNSON CO. SCD

Local Government

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Frequently Asked Questions

What is the hazard classification of E.Br So Fk Blackwater E-26?

E.Br So Fk Blackwater E-26 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 E.Br So Fk Blackwater E-26?

E.Br So Fk Blackwater E-26 is owned by JOHNSON CO. SCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was E.Br So Fk Blackwater E-26 built?

E.Br So Fk Blackwater E-26 was completed in 1956, making it 70 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 E.Br So Fk Blackwater E-26?

E.Br So Fk Blackwater E-26 serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is E.Br So Fk Blackwater E-26?

E.Br So Fk Blackwater E-26 has a dam height of 30 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.

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.