Penn Sand Glass Dam

TR-SECOND CREEK· Lexington, South Carolina· Built 1974· 39 ft tall
Low Hazard Other Water Supply Private

Key Takeaway

Penn Sand Glass Dam is classified as low hazard in South Carolina. It was completed in 1974 and is 52 years old. Its primary use is other.

Physical Details

Dam Height 39 ft (taller than 91.5% in SC)
Max Storage282 acre-ft
Normal Storage238 acre-ft
Surface Area22 acres
Year Completed1974 (52 years old)
NID IDSC01360

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: April 12, 2017
State Regulated: Yes
Regulatory Agency: SC DHEC

Ownership

US SILICA COMPANY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Penn Sand Glass Dam?

Penn Sand Glass Dam 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 Penn Sand Glass Dam?

Penn Sand Glass Dam is owned by US SILICA COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Penn Sand Glass Dam built?

Penn Sand Glass Dam was completed in 1974, making it 52 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 Penn Sand Glass Dam?

Penn Sand Glass Dam serves the following purposes: Other, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Penn Sand Glass Dam?

Penn Sand Glass Dam has a dam height of 39 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 Penn Sand Glass Dam last inspected?

Penn Sand Glass Dam was last inspected on April 12, 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.