Siebecker Dam

Tributary to Rattail Creek· Mecosta, Michigan· Built 1978· Earth· 21 ft tall
Low Hazard Recreation Private

Key Takeaway

Siebecker Dam is classified as low hazard in Michigan. It was completed in 1978 and is 48 years old. Its primary use is recreation.

Physical Details

Dam Height 21 ft (taller than 74.1% in MI)
Dam Length570 ft
Dam TypeEarth
Max Storage315 acre-ft
Normal Storage238 acre-ft
Surface Area28 acres
Drainage Area1 sq mi
Max Discharge90 cfs
Year Completed1978 (48 years old)
NID IDMI00701

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 2, 1998
State Regulated: Yes
Regulatory Agency: MICHIGAN DEGLE

Ownership

Lawrence Nawrocki

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Siebecker Dam?

Siebecker 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 Siebecker Dam?

Siebecker Dam is owned by Lawrence Nawrocki (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Siebecker Dam built?

Siebecker Dam was completed in 1978, making it 48 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 Siebecker Dam?

Siebecker Dam 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 Siebecker Dam?

Siebecker Dam has a dam height of 21 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 Siebecker Dam last inspected?

Siebecker Dam was last inspected on October 2, 1998. 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.