Casitas

COYOTE CREEK· Ventura, California· Built 1959· Earth· 334 ft tall
High Hazard Irrigation Recreation Water Supply Federal Government

Key Takeaway

Casitas is classified as high hazard in California. It was completed in 1959 and is 67 years old. Its primary use is irrigation. 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 334 ft (taller than 99% in CA)
Dam Length2,000 ft
Dam TypeEarth
Max Storage283.7K acre-ft
Normal Storage250.8K acre-ft
Surface Area2,720 acres
Drainage Area39 sq mi
Max Discharge7,400 cfs
Year Completed1959 (67 years old)
NID IDCA10139

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: July 27, 2020
State Regulated: No

Ownership

RECLAMATION

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Casitas?

Casitas 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 Casitas?

Casitas is owned by RECLAMATION (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Casitas built?

Casitas was completed in 1959, making it 67 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 Casitas?

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

How tall is Casitas?

Casitas has a dam height of 334 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 Casitas last inspected?

Casitas was last inspected on July 27, 2020. 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.