Lost Cr Pilot Watershed Dam E-7

Lost Cr Pilot Watershed Dam E-7 is an earth dam located in Lincoln County, Missouri, built in 1959. It carries a Significant hazard potential classification.

About Lost Cr Pilot Watershed Dam E-7

The primary purpose of Lost Cr Pilot Watershed Dam E-7 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Holland, Kempfer, Conrad,lowry (local government). It impounds the Tr-lost Creek near Elsberry.

The dam stands 33 feet tall and stretches 960 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 269 acre-feet, and collects water from a drainage area of 256 square miles. Completed in 1959, the structure is well into its service life at over 50 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.

At 33 feet, this dam is taller than 78% of dams nationwide.

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Significant HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateMissouri
CountyLincoln
Nearest CityElsberry
River/StreamTr-lost Creek
Coordinates39.12433, -90.82585

Physical Characteristics

Dam TypeEarth
NID Height33 ft
Dam Height31 ft
Dam Length960 ft
Year Completed1959 (67 years old)

Storage & Hydraulics

NID Storage269 acre-ft
Max Storage269 acre-ft
Normal Storage29 acre-ft
Surface Area1 acres
Drainage Area256 sq mi
Max Discharge6,100 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerHOLLAND, KEMPFER, CONRAD,LOWRY
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDMO10972
Federal IDMO10972
More InfoState Dam Safety Program