Russian River No. 1

Russian River· Sonoma, California· Built 1963· Buttress· 10 ft tall
Low Hazard Water Supply Recreation Public Utility

Key Takeaway

Russian River No. 1 is classified as low hazard in California. It was completed in 1963 and is 63 years old. Its primary use is water supply.

Physical Details

Dam Height 10 ft (taller than 2.3% in CA)
Dam Length365 ft
Dam TypeButtress
Max Storage315 acre-ft
Surface Area43 acres
Year Completed1963 (63 years old)
NID IDCA00849

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: September 9, 2022
State Regulated: Yes
Regulatory Agency: DWR, Division of Safety of Dams

Ownership

Russian River Recreation and Parks District

Public Utility

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Russian River No. 1?

Russian River No. 1 is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Russian River No. 1?

Russian River No. 1 is owned by Russian River Recreation and Parks District (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Russian River No. 1 built?

Russian River No. 1 was completed in 1963, making it 63 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Russian River No. 1?

Russian River No. 1 serves the following purposes: Water Supply, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Russian River No. 1?

Russian River No. 1 has a dam height of 10 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Russian River No. 1 last inspected?

Russian River No. 1 was last inspected on September 9, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.