Pool Four Langshwager Tract

Shiawassee River· Saginaw, Michigan· Built 1955· Earth· 10 ft tall
Low Hazard Other Federal Government

Key Takeaway

Pool Four Langshwager Tract is classified as low hazard in Michigan. It was completed in 1955 and is 71 years old. Its primary use is other.

Physical Details

Dam Height 10 ft (taller than 20.5% in MI)
Dam Length15,180 ft
Dam TypeEarth
Max Storage384 acre-ft
Normal Storage270 acre-ft
Surface Area96 acres
Drainage Area0 sq mi
Max Discharge2,600 cfs
Year Completed1955 (71 years old)
NID IDMI00647

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: January 29, 1981
State Regulated: Yes
Regulatory Agency: MICHIGAN DEGLE

Ownership

DOI FWS

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Pool Four Langshwager Tract?

Pool Four Langshwager Tract 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 Pool Four Langshwager Tract?

Pool Four Langshwager Tract is owned by DOI FWS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Pool Four Langshwager Tract built?

Pool Four Langshwager Tract was completed in 1955, making it 71 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 Pool Four Langshwager Tract?

Pool Four Langshwager Tract 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 Pool Four Langshwager Tract?

Pool Four Langshwager Tract has a dam height of 10 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 Pool Four Langshwager Tract last inspected?

Pool Four Langshwager Tract was last inspected on January 29, 1981. 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.