Mark Avenue Stormwater Structure

UNNAMED· Cobb, Georgia· Built 2012· Earth· 20 ft tall
Low Hazard Flood Risk Reduction Local Government

Key Takeaway

Mark Avenue Stormwater Structure is classified as low hazard in Georgia. It was completed in 2012 and is 14 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 20 ft (taller than 40.1% in GA)
Dam Length0 ft
Dam TypeEarth
Max Storage64 acre-ft
Normal Storage0 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Year Completed2012 (14 years old)
NID IDGA06565

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

Cobb County Water System Stormwater Management Division

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mark Avenue Stormwater Structure?

Mark Avenue Stormwater Structure 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 Mark Avenue Stormwater Structure?

Mark Avenue Stormwater Structure is owned by Cobb County Water System Stormwater Management Division (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mark Avenue Stormwater Structure built?

Mark Avenue Stormwater Structure was completed in 2012, making it 14 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 Mark Avenue Stormwater Structure?

Mark Avenue Stormwater Structure 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 Mark Avenue Stormwater Structure?

Mark Avenue Stormwater Structure has a dam height of 20 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.