Lynx Dam

Lynx Dam is a gravity dam located in Natrona County, Wyoming, built in 1956. It carries a Low hazard potential classification and has a unsatisfactory condition assessment.

About Lynx Dam

The primary purpose of Lynx Dam is debris control. The dam is designed to catch sediment, rocks, and debris carried by flowing water — particularly important in areas prone to mudslides or heavy erosion. The dam is owned by Doi Blm (federal). It impounds the Lynx Draw.

The dam stands 31 feet tall and stretches 439 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 17 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1956, 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. Its condition is rated unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. The most recent inspection on record was 07/20/2017.

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Low HazardUnsatisfactory ConditionEmergency Action Plan: Not Required

Location

StateWyoming
CountyNatrona
River/StreamLynx Draw
Coordinates43.19760, -107.36299

Physical Characteristics

Dam TypeGravity
NID Height31 ft
Dam Length439 ft
Year Completed1956 (70 years old)

Storage & Hydraulics

NID Storage17 acre-ft
Max Storage17 acre-ft
Normal Storage10 acre-ft
Surface Area10 acres
Drainage Area3 sq mi
Max Discharge290 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeDebris Control
OwnerDOI BLM
Owner TypeFederal
Hazard ClassificationLow
Condition AssessmentUnsatisfactory
Last Inspection07/20/2017
Emergency Action PlanNot Required

Identifiers

NID IDWY01433
Federal IDWY01433
More InfoState Dam Safety Program

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