Peabody

Peabody is an earth dam located in Santa Clara County, California, built in 1950. It carries a Significant hazard potential classification and has a poor condition assessment.

About Peabody

The primary purpose of Peabody 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 Gary Robinson (private). It impounds the Tr Llagas Creek.

The dam stands 63 feet tall and stretches 295 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 76 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1950, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 08/13/2025.

At 63 feet, this dam is taller than 96% of all dams in the United States.

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Significant HazardPoor ConditionEmergency Action Plan: No

Location

StateCalifornia
CountySanta Clara
River/StreamTr Llagas Creek
Coordinates37.04230, -121.50750

Physical Characteristics

Dam TypeEarth
NID Height63 ft
Dam Height63 ft
Dam Length295 ft
Year Completed1950 (76 years old)

Storage & Hydraulics

NID Storage76 acre-ft
Max Storage76 acre-ft
Surface Area5 acres
Drainage Area0 sq mi

Ownership & Safety

PurposeWater Supply
OwnerGary Robinson
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentPoor
Last Inspection08/13/2025
Emergency Action PlanNo

Identifiers

NID IDCA00685
Federal IDCA00685
More InfoState Dam Safety Program

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