F.P. Griffith Water Plant Lorton Quarry

Little Occoquan Run.· Fairfax, Virginia· Other· 20 ft tall
Unknown Other Public Utility

Key Takeaway

F.P. Griffith Water Plant Lorton Quarry is classified as unknown in Virginia. Its primary use is other.

Physical Details

Dam Height 20 ft (taller than 26.8% in VA)
Dam Length25 ft
Dam TypeOther
Max Storage253 acre-ft
Surface Area12 acres
Drainage Area0 sq mi
NID IDVA059109

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: No
State Regulated: Yes
Regulatory Agency: Department of Conservation and Recreation

Ownership

Fairfax County Water Authority

Public Utility

Nearby Dams

Frequently Asked Questions

What is the hazard classification of F.P. Griffith Water Plant Lorton Quarry?

F.P. Griffith Water Plant Lorton Quarry 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 F.P. Griffith Water Plant Lorton Quarry?

F.P. Griffith Water Plant Lorton Quarry is owned by Fairfax County Water Authority (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of F.P. Griffith Water Plant Lorton Quarry?

F.P. Griffith Water Plant Lorton Quarry serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is F.P. Griffith Water Plant Lorton Quarry?

F.P. Griffith Water Plant Lorton Quarry 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.