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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Low HazardSatisfactory ConditionEmergency Action Plan: No

Location

StateCalifornia
CountyNevada
River/StreamTr So Yuba Rv
Coordinates39.29560, -121.06470

Physical Characteristics

Dam TypeEarth
NID Height47 ft
Dam Height47 ft
Dam Length227 ft
Year Completed1989 (37 years old)

Storage & Hydraulics

NID Storage30 acre-ft
Max Storage30 acre-ft
Surface Area2 acres
Drainage Area0 sq mi

Ownership & Safety

PurposeWater Supply
OwnerNorman and Susan Locks
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection02/26/2025
Emergency Action PlanNo

Identifiers

NID IDCA01206
Federal IDCA01206
More InfoState Dam Safety Program

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