East Fork Big Creek Dam E- 70

EAST FORK BIG CREEK· Harrison, Missouri· Built 1986· Earth· 25 ft tall
Low Hazard Flood Risk Reduction Local Government

Key Takeaway

East Fork Big Creek Dam E- 70 is classified as low hazard in Missouri. It was completed in 1986 and is 40 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 25 ft (taller than 23.5% in MO)
Dam Length500 ft
Dam TypeEarth
Max Storage108 acre-ft
Normal Storage26 acre-ft
Surface Area7 acres
Drainage Area189 sq mi
Max Discharge70 cfs
Year Completed1986 (40 years old)
NID IDMO50150

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

EFBC SUBDISTRICT

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of East Fork Big Creek Dam E- 70?

East Fork Big Creek Dam E- 70 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 East Fork Big Creek Dam E- 70?

East Fork Big Creek Dam E- 70 is owned by EFBC SUBDISTRICT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was East Fork Big Creek Dam E- 70 built?

East Fork Big Creek Dam E- 70 was completed in 1986, making it 40 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 East Fork Big Creek Dam E- 70?

East Fork Big Creek Dam E- 70 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 East Fork Big Creek Dam E- 70?

East Fork Big Creek Dam E- 70 has a dam height of 25 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.