Ludden Lake

MINERAL POINT BRANCH· Iowa, Wisconsin· Built 1964· Earth· 25 ft tall
Low Hazard Recreation Local Government

Key Takeaway

Ludden Lake is classified as low hazard in Wisconsin. It was completed in 1964 and is 62 years old. Its primary use is recreation.

Physical Details

Dam Height 25 ft (taller than 70.9% in WI)
Dam Length300 ft
Dam TypeEarth
Max Storage700 acre-ft
Normal Storage303 acre-ft
Surface Area58 acres
Drainage Area24 sq mi
Max Discharge5,270 cfs
Year Completed1964 (62 years old)
NID IDWI00069

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: June 18, 2012
State Regulated: Yes
Regulatory Agency: WIDNR

Ownership

LUDDEN LAKE DAM COMMISSION

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Ludden Lake?

Ludden Lake 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 Ludden Lake?

Ludden Lake is owned by LUDDEN LAKE DAM COMMISSION (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Ludden Lake built?

Ludden Lake was completed in 1964, making it 62 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 Ludden Lake?

Ludden Lake 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 Ludden Lake?

Ludden Lake has a dam height of 25 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 Ludden Lake last inspected?

Ludden Lake was last inspected on June 18, 2012. 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.