Richardson

MULLET· Sheboygan, Wisconsin· Built 1857· Gravity· 12 ft tall
Low Hazard Recreation Private

Key Takeaway

Richardson is classified as low hazard in Wisconsin. It was completed in 1857 and is 169 years old. Its primary use is recreation.

Physical Details

Dam Height 12 ft (taller than 30.4% in WI)
Dam Length2,800 ft
Dam TypeGravity
Max Storage50 acre-ft
Normal Storage30 acre-ft
Surface Area8 acres
Drainage Area85 sq mi
Max Discharge3,000 cfs
Year Completed1857 (169 years old)
NID IDWI00082

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: December 14, 2011
State Regulated: Yes
Regulatory Agency: WIDNR

Ownership

RICHARDSON INDUSTRIES

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Richardson?

Richardson 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 Richardson?

Richardson is owned by RICHARDSON INDUSTRIES (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Richardson built?

Richardson was completed in 1857, making it 169 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 Richardson?

Richardson 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 Richardson?

Richardson has a dam height of 12 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 Richardson last inspected?

Richardson was last inspected on December 14, 2011. 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.