Lake of the Hills Dam

Lake of the Hills Dam is an earth dam located in Bollinger County, Missouri, built in 1960. It carries a High hazard potential classification and has a satisfactory condition assessment.

Hazard potentialHighFailure would probably cost lives
ConditionSatisfactoryBest of 4 ratings
Emergency action planOn file
Last inspection12/20/2022
Height37 ft
Built196066 years ago

Dam profile

NID height · 37 ft
37 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

37 ft tall and 800 ft long, taller than 83% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.

About Lake of the Hills Dam

The primary purpose of Lake of the Hills Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lake of the Hills Poa (private). It impounds the Tr Cane Creek near Dongola.

The dam stands 37 feet tall and stretches 800 feet across, creates a reservoir covering 73 acres, has a maximum storage capacity of 1,143 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1960, 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 12/20/2022.

At 37 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.

Location

StateMissouri
CountyBollinger
Nearest CityDongola
River/StreamTr Cane Creek
Coordinates37.25056, -90.02814

Physical Characteristics

Dam TypeEarth
NID Height37 ft
Dam Height37 ft
Dam Length800 ft
Year Completed1960 (66 years old)

Storage & Hydraulics

NID Storage1,143 acre-ft
Max Storage1,143 acre-ft
Normal Storage899 acre-ft
Surface Area73 acres
Drainage Area0 sq mi
Max Discharge458 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerLake of the Hills Poa
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection12/20/2022
Emergency Action PlanYes

Identifiers

NID IDMO30077
Federal IDMO30077
More InfoState Dam Safety Program