Brimstone Group

U/N Trib. to Byrds Cr.· Richland, Wisconsin· Built 1974· Earth· 23 ft tall

Key Takeaway

Brimstone Group is classified as low hazard in Wisconsin. It was completed in 1974 and is 52 years old. Its primary use is fire protection.

Physical Details

Dam Height 23 ft (taller than 67% in WI)
Dam Length560 ft
Dam TypeEarth
Max Storage85 acre-ft
Normal Storage16 acre-ft
Surface Area5 acres
Drainage Area0 sq mi
Max Discharge43 cfs
Year Completed1974 (52 years old)
NID IDWI00911

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: July 16, 2020
State Regulated: Yes
Regulatory Agency: WIDNR

Ownership

Wild Rose Acres, LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Brimstone Group?

Brimstone Group 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 Brimstone Group?

Brimstone Group is owned by Wild Rose Acres, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Brimstone Group built?

Brimstone Group was completed in 1974, making it 52 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 Brimstone Group?

Brimstone Group serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Brimstone Group?

Brimstone Group has a dam height of 23 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 Brimstone Group last inspected?

Brimstone Group was last inspected on July 16, 2020. 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.