Settling Ponds

MILL CREEK· Johnston, Oklahoma· 30 ft tall
Low Hazard Tailings Federal Government

Key Takeaway

Settling Ponds is classified as low hazard in Oklahoma. Its primary use is tailings.

Physical Details

Dam Height 30 ft (taller than 54.9% in OK)
Max Storage3.0K acre-ft
Normal Storage0 acre-ft
Drainage Area1 sq mi
NID IDOK83451

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: October 15, 2009
State Regulated: No

Ownership

DOL MSHA

Federal Government

Nearby Dams

Pennsylvania Glass Sand Corp

Johnston, OK

Low Hazard 48 ft

SCS-Pennington Creek Site-2

Johnston, OK

Low Hazard 30 ft

SCS Mill Creek Site-18

Johnston, OK

High Hazard 31 ft

SCS-Pennington Creek Site-3

Johnston, OK

Low Hazard 40 ft

SCS-Pennington Creek Site-1

Johnston, OK

Low Hazard 39 ft

SCS-Mill Creek Site-15

Johnston, OK

Low Hazard 38 ft

SCS-Mill Creek Site-12

Johnston, OK

Low Hazard 23 ft

SCS-Mill Creek Site-11

Johnston, OK

Low Hazard 22 ft

Frequently Asked Questions

What is the hazard classification of Settling Ponds?

Settling Ponds 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 Settling Ponds?

Settling Ponds is owned by DOL MSHA (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Settling Ponds?

Settling Ponds serves the following purposes: Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Settling Ponds?

Settling Ponds has a dam height of 30 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 Settling Ponds last inspected?

Settling Ponds was last inspected on October 15, 2009. 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.