Canvasback Lake Dam

Canvasback Lake Dam is an earth dam located in Bexar County, Texas, built in 1911. It carries a Low hazard potential classification.

About Canvasback Lake Dam

The primary purpose of Canvasback Lake Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Bexar Metropolitan Water District;verano Land Group Lp (local government). It impounds the Sauz Creek.

The dam stands 19 feet tall and stretches 1,200 feet across, and has a maximum storage capacity of 730 acre-feet. Completed in 1911, the structure is over a century 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 12/07/1983. That was over 42 years ago.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateTexas
CountyBexar
River/StreamSauz Creek
Coordinates29.29718, -98.50756

Physical Characteristics

Dam TypeEarth
NID Height19 ft
Dam Height19 ft
Dam Length1,200 ft
Year Completed1911 (115 years old)

Storage & Hydraulics

NID Storage730 acre-ft
Max Storage730 acre-ft
Normal Storage275 acre-ft
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerBEXAR METROPOLITAN WATER DISTRICT;VERANO LAND GROUP LP
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection12/07/1983
Emergency Action PlanNot Required

Identifiers

NID IDTX01436
Federal IDTX01436
More InfoState Dam Safety Program

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