Wellington Nap C-21

TR-MISSOURI RIVER· Lafayette, Missouri· Built 1969· Earth· 37 ft tall
High Hazard Other Local Government

Key Takeaway

Wellington Nap C-21 is classified as high hazard in Missouri. It was completed in 1969 and is 57 years old. Its primary use is other. 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 37 ft (taller than 87.2% in MO)
Dam Length465 ft
Dam TypeEarth
Max Storage297 acre-ft
Normal Storage150 acre-ft
Surface Area17 acres
Drainage Area1 sq mi
Max Discharge1,060 cfs
Year Completed1969 (57 years old)
NID IDMO10284

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: November 3, 2022
State Regulated: Yes
Regulatory Agency: Dam and Reservoir Safety Program

Ownership

LAFAYETTE SOIL & WATER

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Wellington Nap C-21?

Wellington Nap C-21 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 Wellington Nap C-21?

Wellington Nap C-21 is owned by LAFAYETTE SOIL & WATER (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Wellington Nap C-21 built?

Wellington Nap C-21 was completed in 1969, making it 57 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 Wellington Nap C-21?

Wellington Nap C-21 serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Wellington Nap C-21?

Wellington Nap C-21 has a dam height of 37 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 Wellington Nap C-21 last inspected?

Wellington Nap C-21 was last inspected on November 3, 2022. 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.