Allison & Haas Lake Dam

PERRY BRANCH· Dent, Missouri· Built 1970· Earth· 22 ft tall
Low Hazard Recreation Private

Key Takeaway

Allison & Haas Lake Dam is classified as low hazard in Missouri. It was completed in 1970 and is 56 years old. Its primary use is recreation.

Physical Details

Dam Height 22 ft (taller than 14.9% in MO)
Dam TypeEarth
Max Storage106 acre-ft
Normal Storage48 acre-ft
Surface Area9 acres
Drainage Area1,690 sq mi
Year Completed1970 (56 years old)
NID IDMO31536

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
State Regulated: No

Ownership

DALE ALLISON&ELMER HAAS

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Allison & Haas Lake Dam?

Allison & Haas Lake Dam 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 Allison & Haas Lake Dam?

Allison & Haas Lake Dam is owned by DALE ALLISON&ELMER HAAS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Allison & Haas Lake Dam built?

Allison & Haas Lake Dam was completed in 1970, making it 56 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 Allison & Haas Lake Dam?

Allison & Haas Lake 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 Allison & Haas Lake Dam?

Allison & Haas Lake Dam has a dam height of 22 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.

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.