Dam No 4

MIDDLE CREEK· Linn, Kansas· Built 1985· 68 ft tall

High Hazard Recreation Private

Key Takeaway

Dam No 4 is classified as high hazard in Kansas. It was completed in 1985 and is 41 years old. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height	68 ft (taller than 99.3% in KS)
Dam Length	1,420 ft
Max Storage	4.2K acre-ft
Normal Storage	2.6K acre-ft

Surface Area	107 acres
Drainage Area	2 sq mi
Max Discharge	0 cfs
Year Completed	1985 (41 years old)
Year Modified	2011
NID ID	KS07341

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes

Last Inspection: April 26, 2021

State Regulated: Yes

Regulatory Agency: KS Dept. of Agriculture

Ownership

LINN VALLEY LAKES

Private

Nearby Dams

Dam No 3

Linn, KS

Low Hazard 25 ft

Dam No 2 (10 Acre Lake)

Linn, KS

Low Hazard 36 ft

Dam No 1

Linn, KS

Low Hazard 26 ft

Dam KS01397

Miami, KS

Low Hazard 35 ft

Dam KS04908

Linn, KS

Low Hazard 14 ft

Dam KS01377

Miami, KS

Low Hazard 30 ft

Pond

Linn, KS

Low Hazard 17 ft

Dam KS09042

Linn, KS

Low Hazard 15 ft

Frequently Asked Questions

What is the hazard classification of Dam No 4?

Dam No 4 is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Dam No 4?

Dam No 4 is owned by LINN VALLEY LAKES (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Dam No 4 built?

Dam No 4 was completed in 1985, making it 41 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 Dam No 4?

Dam No 4 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 Dam No 4?

Dam No 4 has a dam height of 68 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 Dam No 4 last inspected?

Dam No 4 was last inspected on April 26, 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.