Hawkins

Hawkins is an earth dam located in San Benito County, California, built in 1928. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Hawkins

The primary purpose of Hawkins 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 Ausaymas Cattle Company (private). It impounds the T.arro.d Las Viboras.

The dam stands 72 feet tall and stretches 350 feet across, creates a reservoir covering 22 acres, has a maximum storage capacity of 575 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1928, the structure is well-established, with more than 75 years of service.

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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 02/12/2025.

At 72 feet, this dam is taller than 96% of all dams in the United States.

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Significant HazardSatisfactory ConditionEmergency Action Plan: No

Location

StateCalifornia
CountySan Benito
River/StreamT.arro.d Las Viboras
Coordinates36.95650, -121.31170

Physical Characteristics

Dam TypeEarth
NID Height72 ft
Dam Height72 ft
Dam Length350 ft
Year Completed1928 (98 years old)

Storage & Hydraulics

NID Storage575 acre-ft
Max Storage575 acre-ft
Surface Area22 acres
Drainage Area4 sq mi

Ownership & Safety

PurposeWater Supply
OwnerAusaymas Cattle Company
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection02/12/2025
Emergency Action PlanNo

Identifiers

NID IDCA00694
Federal IDCA00694
More InfoState Dam Safety Program

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