Vaquillas Lake No 1 Dam

Vaquillas Lake No 1 Dam is an earth dam located in Webb County, Texas, built in 1967. It carries a Significant hazard potential classification.

About Vaquillas Lake No 1 Dam

The primary purpose of Vaquillas Lake No 1 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 Vaquillas Ranch Company Ltd (private). It impounds the Tr-reiser Creek.

The dam stands 20 feet tall and stretches 1,815 feet across, creates a reservoir covering 29 acres, and has a maximum storage capacity of 336 acre-feet. Completed in 1967, the structure is well into its service life at over 50 years old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 02/10/2010. That was over 16 years ago.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Data note: Hazard potential describes the consequences if a dam failed; it does not predict the likelihood of failure. Inspection, condition, and emergency-plan fields can be incomplete or delayed. Check state dam-safety officials and local emergency managers for official guidance.
Significant HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateTexas
CountyWebb
River/StreamTr-reiser Creek
Coordinates27.53548, -99.05562

Physical Characteristics

Dam TypeEarth
NID Height20 ft
Dam Height20 ft
Dam Length1,815 ft
Year Completed1967 (59 years old)

Storage & Hydraulics

NID Storage336 acre-ft
Max Storage336 acre-ft
Normal Storage186 acre-ft
Surface Area29 acres
Spillway TypeNone

Ownership & Safety

PurposeWater Supply
OwnerVAQUILLAS RANCH COMPANY LTD
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentNot Rated
Last Inspection02/10/2010
Emergency Action PlanNot Required

Identifiers

NID IDTX02265
Federal IDTX02265
More InfoState Dam Safety Program