Russian River No. 1

Russian River No. 1 is a buttress dam located in Sonoma County, California, built in 1963. It carries a Low hazard potential classification and has a poor condition assessment.

About Russian River No. 1

The primary purpose of Russian River No. 1 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 Russian River Recreation And Parks District (public utility). It impounds the Russian River.

The dam stands 10 feet tall and stretches 365 feet across, creates a reservoir covering 43 acres, and has a maximum storage capacity of 315 acre-feet. Completed in 1963, the structure is well into its service life at over 50 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 09/25/2024.

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Low HazardPoor ConditionEmergency Action Plan: No

Location

StateCalifornia
CountySonoma
River/StreamRussian River
Coordinates38.48320, -123.01140

Physical Characteristics

Dam TypeButtress
NID Height10 ft
Dam Height10 ft
Dam Length365 ft
Year Completed1963 (63 years old)

Storage & Hydraulics

NID Storage315 acre-ft
Max Storage315 acre-ft
Surface Area43 acres

Ownership & Safety

PurposeWater Supply
OwnerRussian River Recreation and Parks District
Owner TypePublic Utility
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection09/25/2024
Emergency Action PlanNo

Identifiers

NID IDCA00849
Federal IDCA00849
More InfoState Dam Safety Program

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