Wellington-nap Wtrshd F-21 Dam

Wellington-nap Wtrshd F-21 Dam is an earth dam located in Lafayette County, Missouri, built in 1967. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Wellington-nap Wtrshd F-21 Dam

Wellington-nap Wtrshd F-21 Dam is a dam in Lafayette, Missouri. The dam is local government-owned. It impounds the Tr To Hicklin Br near Napoleon.

The dam stands 39 feet tall and stretches 500 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 158 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1967, the structure is well into its service life at over 50 years old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 11/03/2022.

At 39 feet, this dam is taller than 86% of dams nationwide.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Missouri dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateMissouri
CountyLafayette
Nearest CityNapoleon
River/StreamTr To Hicklin Br
Coordinates39.11686, -94.08369

Physical Characteristics

Dam TypeEarth
NID Height39 ft
Dam Height39 ft
Dam Length500 ft
Year Completed1967 (59 years old)

Storage & Hydraulics

NID Storage158 acre-ft
Max Storage158 acre-ft
Normal Storage115 acre-ft
Surface Area11 acres
Drainage Area0 sq mi
Max Discharge850 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeOther
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection11/03/2022
Emergency Action PlanYes

Identifiers

NID IDMO10282
Federal IDMO10282
More InfoState Dam Safety Program

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