Iris Lake Dam # 1

UNKNOWN· Henry, Georgia· Earth· 25 ft tall
Low Hazard Recreation Local Government

Key Takeaway

Iris Lake Dam # 1 is classified as low hazard in Georgia. Its primary use is recreation.

Physical Details

Dam Height 25 ft (taller than 58.1% in GA)
Dam Length770 ft
Dam TypeEarth
Max Storage556 acre-ft
Normal Storage290 acre-ft
Surface Area30 acres
Drainage Area765 sq mi
NID IDGA04625

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: July 1, 1984
State Regulated: No

Ownership

Henry County Government Service Authority Mhm Holdings Llc

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Iris Lake Dam # 1?

Iris Lake Dam # 1 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 Iris Lake Dam # 1?

Iris Lake Dam # 1 is owned by Henry County Government Service Authority Mhm Holdings Llc (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Iris Lake Dam # 1?

Iris Lake Dam # 1 serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Iris Lake Dam # 1?

Iris Lake Dam # 1 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.

When was Iris Lake Dam # 1 last inspected?

Iris Lake Dam # 1 was last inspected on July 1, 1984. 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.