Tyler Dam

Willow Run Creek· Washtenaw, Michigan· Built 1942· Gravity· 31 ft tall
Significant Hazard Recreation Local Government

Key Takeaway

Tyler Dam is classified as significant hazard in Michigan. It was completed in 1942 and is 84 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 31 ft (taller than 90.6% in MI)
Dam Length500 ft
Dam TypeGravity
Max Storage205 acre-ft
Normal Storage85 acre-ft
Surface Area12 acres
Drainage Area5 sq mi
Max Discharge3,360 cfs
Year Completed1942 (84 years old)
NID IDMI00714

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: September 6, 2018
State Regulated: Yes
Regulatory Agency: MICHIGAN DEGLE

Ownership

Washtenaw County WRC

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Tyler Dam?

Tyler Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Tyler Dam?

Tyler Dam is owned by Washtenaw County WRC (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Tyler Dam built?

Tyler Dam was completed in 1942, making it 84 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 Tyler Dam?

Tyler 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 Tyler Dam?

Tyler Dam has a dam height of 31 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 Tyler Dam last inspected?

Tyler Dam was last inspected on September 6, 2018. 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.