South Fork Blackwater River Dam Lt-67

TR-S.FK. BLACKWATER· Johnson, Missouri· Built 1984· Earth· 34 ft tall
Low Hazard Grade Stabilization Private

Key Takeaway

South Fork Blackwater River Dam Lt-67 is classified as low hazard in Missouri. It was completed in 1984 and is 42 years old. Its primary use is grade stabilization.

Physical Details

Dam Height 34 ft (taller than 82.3% in MO)
Dam Length350 ft
Dam TypeEarth
Max Storage74 acre-ft
Normal Storage22 acre-ft
Surface Area26 acres
Drainage Area170 sq mi
Max Discharge75 cfs
Year Completed1984 (42 years old)
NID IDMO50234

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

EDNA MILLER

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of South Fork Blackwater River Dam Lt-67?

South Fork Blackwater River Dam Lt-67 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 Lt-67?

South Fork Blackwater River Dam Lt-67 is owned by EDNA MILLER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was South Fork Blackwater River Dam Lt-67 built?

South Fork Blackwater River Dam Lt-67 was completed in 1984, making it 42 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 Lt-67?

South Fork Blackwater River Dam Lt-67 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 Lt-67?

South Fork Blackwater River Dam Lt-67 has a dam height of 34 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.