Grey Stone Lake Dam "C" West

UNNAMED TRIBUTARY JOHN DIEHL DITCH· DeKalb, Indiana· Built 1971· Earth· 16 ft tall
Low Hazard Recreation Private

Key Takeaway

Grey Stone Lake Dam "C" West is classified as low hazard in Indiana. It was completed in 1971 and is 55 years old. Its primary use is recreation.

Physical Details

Dam Height 16 ft (taller than 11.2% in IN)
Dam Length335 ft
Dam TypeEarth
Max Storage254 acre-ft
Normal Storage172 acre-ft
Surface Area11 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1971 (55 years old)
NID IDIN03412

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: June 27, 2016
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

JOSEPH WITMER

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Grey Stone Lake Dam "C" West?

Grey Stone Lake Dam "C" West 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 Grey Stone Lake Dam "C" West?

Grey Stone Lake Dam "C" West is owned by JOSEPH WITMER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Grey Stone Lake Dam "C" West built?

Grey Stone Lake Dam "C" West was completed in 1971, making it 55 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 Grey Stone Lake Dam "C" West?

Grey Stone Lake Dam "C" West serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Grey Stone Lake Dam "C" West?

Grey Stone Lake Dam "C" West has a dam height of 16 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 Grey Stone Lake Dam "C" West last inspected?

Grey Stone Lake Dam "C" West was last inspected on June 27, 2016. 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.