Anderson Ranch
Anderson Ranch is an earth dam located in Nevada County, California, built in 1989. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Anderson Ranch
The primary purpose of Anderson Ranch 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 Norman And Susan Locks (private). It impounds the Tr So Yuba Rv.
The dam stands 47 feet tall and stretches 227 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 30 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1989, the structure is 37 years old.
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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 02/26/2025.
At 47 feet, this dam is taller than 92% of dams nationwide.
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Location
| State | California |
| County | Nevada |
| River/Stream | Tr So Yuba Rv |
| Coordinates | 39.29560, -121.06470 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 47 ft |
| Dam Height | 47 ft |
| Dam Length | 227 ft |
| Year Completed | 1989 (37 years old) |
Storage & Hydraulics
| NID Storage | 30 acre-ft |
| Max Storage | 30 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Norman and Susan Locks |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 02/26/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA01206 |
| Federal ID | CA01206 |
| More Info | State Dam Safety Program |