Tywappity Community Lake Dam

Tywappity Community Lake Dam is an earth dam located in Scott County, Missouri, built in 1957. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Tywappity Community Lake Dam

The primary purpose of Tywappity Community Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mo Dept Of Conservation (state). It impounds the Hindman Creek near Kelso.

The dam stands 36 feet tall and stretches 650 feet across, creates a reservoir covering 43 acres, has a maximum storage capacity of 952 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1957, 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 06/01/2022.

At 36 feet, this dam is taller than 83% 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
CountyScott
Nearest CityKelso
River/StreamHindman Creek
Coordinates37.18688, -89.63837

Physical Characteristics

Dam TypeEarth
NID Height36 ft
Dam Height36 ft
Dam Length650 ft
Year Completed1957 (69 years old)

Storage & Hydraulics

NID Storage952 acre-ft
Max Storage952 acre-ft
Normal Storage663 acre-ft
Surface Area43 acres
Drainage Area0 sq mi
Max Discharge646 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerMO DEPT OF CONSERVATION
Owner TypeState
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection06/01/2022
Emergency Action PlanYes

Identifiers

NID IDMO40006
Federal IDMO40006
More InfoState Dam Safety Program

Nearby Dams