Grindstone-lost-muddy Watershed Dam F-61

Grindstone-lost-muddy Watershed Dam F-61 is an earth dam located in DeKalb County, Missouri, built in 1975. It carries a Low hazard potential classification.

About Grindstone-lost-muddy Watershed Dam F-61

The primary purpose of Grindstone-lost-muddy Watershed Dam F-61 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 Grnsn-lst-mdy Wrsd Sbds (local government). It impounds the Tr-grindstone Creek near Pattonsburg.

The dam stands 29 feet tall and stretches 600 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 129 acre-feet, and collects water from a drainage area of 303 square miles. Completed in 1975, the structure is well into its service life at over 50 years old.

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.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateMissouri
CountyDeKalb
Nearest CityPattonsburg
River/StreamTr-grindstone Creek
Coordinates39.94267, -94.28421

Physical Characteristics

Dam TypeEarth
NID Height29 ft
Dam Height29 ft
Dam Length600 ft
Year Completed1975 (51 years old)

Storage & Hydraulics

NID Storage129 acre-ft
Max Storage129 acre-ft
Normal Storage62 acre-ft
Surface Area8 acres
Drainage Area303 sq mi
Max Discharge290 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeGrade Stabilization
OwnerGRNSN-LST-MDY WRSD SBDS
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDMO11064
Federal IDMO11064
More InfoState Dam Safety Program

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