Dutcher Creek

Tr Borrelli Creek· Sonoma, California· Built 1992· Earth· 43 ft tall
High Hazard Water Supply Irrigation Private

Key Takeaway

Dutcher Creek is classified as high hazard in California. It was completed in 1992 and is 34 years old. Its primary use is water supply. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 43 ft (taller than 51.5% in CA)
Dam Length790 ft
Dam TypeEarth
Max Storage186 acre-ft
Surface Area9 acres
Drainage Area1 sq mi
Year Completed1992 (34 years old)
NID IDCA01362

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: Yes
Last Inspection: April 26, 2022
State Regulated: Yes
Regulatory Agency: DWR, Division of Safety of Dams

Ownership

E & J Gallo Winery

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Dutcher Creek?

Dutcher Creek is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Dutcher Creek?

Dutcher Creek is owned by E & J Gallo Winery (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Dutcher Creek built?

Dutcher Creek was completed in 1992, making it 34 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 Dutcher Creek?

Dutcher Creek serves the following purposes: Water Supply, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Dutcher Creek?

Dutcher Creek has a dam height of 43 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 Dutcher Creek last inspected?

Dutcher Creek was last inspected on April 26, 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.