Dawson Lake

Tr Tuolumne Rv· Stanislaus, California· Built 1896· Earth· 22 ft tall
Low Hazard Water Supply Irrigation Hydroelectric Public Utility

Key Takeaway

Dawson Lake is classified as low hazard in California. It was completed in 1896 and is 130 years old. Its primary use is water supply.

Physical Details

Dam Height 22 ft (taller than 18.8% in CA)
Dam Length287 ft
Dam TypeEarth
Max Storage960 acre-ft
Surface Area137 acres
Drainage Area13 sq mi
Year Completed1896 (130 years old)
NID IDCA00280

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: April 22, 2022
State Regulated: Yes
Regulatory Agency: DWR, Division of Safety of Dams

Ownership

Turlock Irrigation District

Public Utility

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Dawson Lake?

Dawson Lake 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 Dawson Lake?

Dawson Lake is owned by Turlock Irrigation District (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Dawson Lake built?

Dawson Lake was completed in 1896, making it 130 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 Dawson Lake?

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

How tall is Dawson Lake?

Dawson Lake has a dam height of 22 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 Dawson Lake last inspected?

Dawson Lake was last inspected on April 22, 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.