Blackbird Lake Dam

Blackbird Lake Dam is an earth dam located in Freestone County, Texas, built in 1970. It carries a Low hazard potential classification.

About Blackbird Lake Dam

The primary purpose of Blackbird Lake 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 Roy Blackbird (private). It impounds the Holly Branch.

The dam stands 25 feet tall and stretches 900 feet across, and has a maximum storage capacity of 350 acre-feet. Completed in 1970, 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

StateTexas
CountyFreestone
River/StreamHolly Branch
Coordinates31.64833, -96.00000

Physical Characteristics

Dam TypeEarth
NID Height25 ft
Dam Height25 ft
Dam Length900 ft
Year Completed1970 (56 years old)

Storage & Hydraulics

NID Storage350 acre-ft
Max Storage350 acre-ft
Normal Storage179 acre-ft
Spillway TypeNone

Ownership & Safety

PurposeWater Supply
OwnerROY BLACKBIRD
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDTX05080
Federal IDTX05080
More InfoState Dam Safety Program

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