Lake Timpson Dam

Lake Timpson Dam is an earth dam located in Shelby County, Texas, built in 1956. It carries a Low hazard potential classification.

About Lake Timpson Dam

The primary purpose of Lake Timpson Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Shelby County Fwsd 1 (local government). It impounds the Blackwater Creek.

The dam stands 30 feet tall and stretches 1,480 feet across, creates a reservoir covering 230 acres, has a maximum storage capacity of 5,280 acre-feet, and collects water from a drainage area of 6 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. The most recent inspection on record was 10/03/2018.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateTexas
CountyShelby
River/StreamBlackwater Creek
Coordinates31.84440, -94.42889

Physical Characteristics

Dam TypeEarth
NID Height30 ft
Dam Height30 ft
Dam Length1,480 ft
Year Completed1956 (70 years old)

Storage & Hydraulics

NID Storage5,280 acre-ft
Max Storage5,280 acre-ft
Normal Storage1,881 acre-ft
Surface Area230 acres
Drainage Area6 sq mi
Max Discharge14,760 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerSHELBY COUNTY FWSD 1
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection10/03/2018
Emergency Action PlanNot Required

Identifiers

NID IDTX00315
Federal IDTX00315
More InfoState Dam Safety Program

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