Lanier Filter Plant Reservoir Dam

Gwinnett, Georgia· Built 1972· 31 ft tall
Unknown Water Supply Local Government

Key Takeaway

Lanier Filter Plant Reservoir Dam is classified as unknown in Georgia. It was completed in 1972 and is 54 years old. Its primary use is water supply.

Physical Details

Dam Height 31 ft (taller than 78.8% in GA)
Dam Length2,200 ft
Max Storage117 acre-ft
Normal Storage98 acre-ft
Surface Area7 acres
Year Completed1972 (54 years old)
NID IDGA07179

Safety Information

Unknown

Hazard potential has not been determined.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: March 9, 2017
State Regulated: Yes
Regulatory Agency: GA-SAFE DAMS PROGRAM

Ownership

Gwinnett County Dept of Water Resources

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lanier Filter Plant Reservoir Dam?

Lanier Filter Plant Reservoir Dam is classified as Unknown. Hazard potential has not been determined. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Lanier Filter Plant Reservoir Dam?

Lanier Filter Plant Reservoir Dam is owned by Gwinnett County Dept of Water Resources (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lanier Filter Plant Reservoir Dam built?

Lanier Filter Plant Reservoir Dam was completed in 1972, making it 54 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 Lanier Filter Plant Reservoir Dam?

Lanier Filter Plant Reservoir Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Lanier Filter Plant Reservoir Dam?

Lanier Filter Plant Reservoir Dam has a dam height of 31 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 Lanier Filter Plant Reservoir Dam last inspected?

Lanier Filter Plant Reservoir Dam was last inspected on March 9, 2017. 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.