Pennsylvania Glass Sand Corp

TR-MILL CR· Johnston, Oklahoma· Built 1983· Earth· 48 ft tall
Low Hazard Other Private

Key Takeaway

Pennsylvania Glass Sand Corp is classified as low hazard in Oklahoma. It was completed in 1983 and is 43 years old. Its primary use is other.

Physical Details

Dam Height 48 ft (taller than 93.1% in OK)
Dam TypeEarth
Max Storage1.6K acre-ft
Normal Storage1.2K acre-ft
Surface Area750 acres
Max Discharge340 cfs
Year Completed1983 (43 years old)
NID IDOK21616

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: December 3, 2015
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

US SILICA

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Pennsylvania Glass Sand Corp?

Pennsylvania Glass Sand Corp 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 Pennsylvania Glass Sand Corp?

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

When was Pennsylvania Glass Sand Corp built?

Pennsylvania Glass Sand Corp was completed in 1983, making it 43 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 Pennsylvania Glass Sand Corp?

Pennsylvania Glass Sand Corp 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 Pennsylvania Glass Sand Corp?

Pennsylvania Glass Sand Corp has a dam height of 48 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 Pennsylvania Glass Sand Corp last inspected?

Pennsylvania Glass Sand Corp was last inspected on December 3, 2015. 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.