Helmut Weber Dam

Helmut Weber Dam is an earth dam located in Gasconade County, Missouri, built in 2000. It carries a Significant hazard potential classification.

About Helmut Weber Dam

The primary purpose of Helmut Weber Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Hj Hermann Llc (private). It impounds the Cole Creek Trib Of Mo. River near Hermann.

The dam stands 44 feet tall and stretches 540 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 73 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2000, the structure is 26 years old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 11/04/2021.

At 44 feet, this dam is taller than 90% of dams nationwide.

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Significant HazardNot Rated ConditionEmergency Action Plan: No

Location

StateMissouri
CountyGasconade
Nearest CityHermann
River/StreamCole Creek Trib Of Mo. River
Coordinates38.67090, -91.51592

Physical Characteristics

Dam TypeEarth
NID Height44 ft
Dam Height44 ft
Dam Length540 ft
Year Completed2000 (26 years old)

Storage & Hydraulics

NID Storage73 acre-ft
Max Storage73 acre-ft
Normal Storage46 acre-ft
Surface Area3 acres
Drainage Area0 sq mi

Ownership & Safety

PurposeRecreation
OwnerHJ HERMANN LLC
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentNot Rated
Last Inspection11/04/2021
Emergency Action PlanNo

Identifiers

NID IDMO32067
Federal IDMO32067
More InfoState Dam Safety Program

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