Mount Morris

RATTLESNAKE CREEK· Waushara, Wisconsin· Built 1938· Gravity· 20 ft tall
Low Hazard Recreation Local Government

Key Takeaway

Mount Morris is classified as low hazard in Wisconsin. It was completed in 1938 and is 88 years old. Its primary use is recreation.

Physical Details

Dam Height 20 ft (taller than 60.1% in WI)
Dam Length100 ft
Dam TypeGravity
Max Storage1.1K acre-ft
Normal Storage1.0K acre-ft
Surface Area163 acres
Drainage Area8 sq mi
Max Discharge702 cfs
Year Completed1938 (88 years old)
NID IDWI00092

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: Yes
Last Inspection: May 4, 2021
State Regulated: Yes
Regulatory Agency: WIDNR

Ownership

MORRIS LAKE MGMT. DIST.

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mount Morris?

Mount Morris 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 Mount Morris?

Mount Morris is owned by MORRIS LAKE MGMT. DIST. (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mount Morris built?

Mount Morris was completed in 1938, making it 88 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 Mount Morris?

Mount Morris 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 Mount Morris?

Mount Morris has a dam height of 20 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 Mount Morris last inspected?

Mount Morris was last inspected on May 4, 2021. 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.