Lake Nemaha Wetlands

SOUTH FORK BIG NEMAHA RIVER-TR· Nemaha, Kansas· Built 2002· Earth· 18 ft tall
Low Hazard Recreation State Government

Key Takeaway

Lake Nemaha Wetlands is classified as low hazard in Kansas. It was completed in 2002 and is 24 years old. Its primary use is recreation.

Physical Details

Dam Height 18 ft (taller than 16.5% in KS)
Dam Length6,057 ft
Dam TypeEarth
Max Storage2.1K acre-ft
Normal Storage462 acre-ft
Surface Area121 acres
Drainage Area3 sq mi
Max Discharge282 cfs
Year Completed2002 (24 years old)
NID IDKS09051

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: Yes
Regulatory Agency: KS Dept. of Agriculture

Ownership

KANSAS DEPT OF WILDLIFE PARKS & TOURISM

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Nemaha Wetlands?

Lake Nemaha Wetlands 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 Lake Nemaha Wetlands?

Lake Nemaha Wetlands is owned by KANSAS DEPT OF WILDLIFE PARKS & TOURISM (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Nemaha Wetlands built?

Lake Nemaha Wetlands was completed in 2002, making it 24 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 Lake Nemaha Wetlands?

Lake Nemaha Wetlands 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 Lake Nemaha Wetlands?

Lake Nemaha Wetlands has a dam height of 18 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.