Willow Tank Dam

Willow Tank Dam is an earth dam located in Zavala County, Texas, built in 1972. It carries a Low hazard potential classification.

About Willow Tank Dam

The primary purpose of Willow Tank 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 Mathews Ranch (private). It impounds the Tr-turkey Creek.

The dam stands 8 feet tall and stretches 1,100 feet across, creates a reservoir covering 12 acres, and has a maximum storage capacity of 67 acre-feet. Completed in 1972, 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 04/30/1986. That was over 39 years ago.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateTexas
CountyZavala
River/StreamTr-turkey Creek
Coordinates28.89167, -99.93500

Physical Characteristics

Dam TypeEarth
NID Height8 ft
Dam Height8 ft
Dam Length1,100 ft
Year Completed1972 (54 years old)

Storage & Hydraulics

NID Storage67 acre-ft
Max Storage67 acre-ft
Normal Storage24 acre-ft
Surface Area12 acres
Spillway TypeNone

Ownership & Safety

PurposeWater Supply
OwnerMATHEWS RANCH
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection04/30/1986
Emergency Action PlanNot Required

Identifiers

NID IDTX05579
Federal IDTX05579
More InfoState Dam Safety Program

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