Selvage #2 is an earth dam located in Santa Clara County, California, built in 1948. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 42 ft42 ft tall and 440 ft long, taller than 88% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Selvage #2
The primary purpose of Selvage #2 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 Lucky Hereford Ranch (private). It impounds the Tr Llagas Cr.
The dam stands 42 feet tall and stretches 440 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 24 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1948, the structure is well-established, with more than 75 years of service.
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. 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 11/05/2025.
At 42 feet, this dam is taller than 88% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | California |
| County | Santa Clara |
| River/Stream | Tr Llagas Cr |
| Coordinates | 37.04830, -121.62540 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Height | 42 ft |
| Dam Length | 440 ft |
| Year Completed | 1948 (78 years old) |
Storage & Hydraulics
| NID Storage | 24 acre-ft |
| Max Storage | 24 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Lucky Hereford Ranch |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 11/05/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA00684 |
| Federal ID | CA00684 |
| More Info | State Dam Safety Program |