Gronemeir Dam

Gronemeir Dam is an earth dam located in Lewis County, Missouri, built in 2004. It carries a Low hazard potential classification.

About Gronemeir Dam

The primary purpose of Gronemeir Dam is grade stabilization. Grade stabilization dams prevent erosion by reducing the slope and velocity of water flowing through a channel. They're commonly used to stop gullies from deepening and to protect downstream land and infrastructure. The dam is owned by Jerry Gronemeir (private). It impounds the Tr-middle Fabius near Monticello.

The dam stands 35 feet tall and stretches 235 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 29 acre-feet, and collects water from a drainage area of 129 square miles. Completed in 2004, the structure is relatively new.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 11/01/2004. That was over 21 years ago.

At 35 feet, this dam is taller than 82% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateMissouri
CountyLewis
Nearest CityMonticello
River/StreamTr-middle Fabius
Coordinates40.20946, -91.89811

Physical Characteristics

Dam TypeEarth
NID Height35 ft
Dam Height31 ft
Dam Length235 ft
Year Completed2004 (22 years old)

Storage & Hydraulics

NID Storage29 acre-ft
Max Storage29 acre-ft
Normal Storage17 acre-ft
Surface Area7 acres
Drainage Area129 sq mi
Max Discharge29 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeGrade Stabilization
OwnerJERRY GRONEMEIR
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection11/01/2004
Emergency Action PlanNot Required

Identifiers

NID IDMO51264
Federal IDMO51264
More InfoState Dam Safety Program

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