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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Location
| State | California |
| County | Santa Clara |
| River/Stream | Tr Llagas Creek |
| Coordinates | 37.04230, -121.50750 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 63 ft |
| Dam Height | 63 ft |
| Dam Length | 295 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 76 acre-ft |
| Max Storage | 76 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Gary Robinson |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 08/13/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA00685 |
| Federal ID | CA00685 |
| More Info | State Dam Safety Program |