Foothill Ranch

Tr Calaveras Rv· San Joaquin, California· Built 1952· Earth· 15 ft tall

Key Takeaway

Foothill Ranch is classified as low hazard in California. It was completed in 1952 and is 74 years old. Its primary use is water supply.

Physical Details

Dam Height 15 ft (taller than 8.1% in CA)
Dam Length380 ft
Dam TypeEarth
Max Storage100 acre-ft
Surface Area22 acres
Drainage Area1 sq mi
Year Completed1952 (74 years old)
NID IDCA00657

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: January 11, 2022
State Regulated: Yes
Regulatory Agency: DWR, Division of Safety of Dams

Ownership

Private Entity

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Foothill Ranch?

Foothill Ranch 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 Foothill Ranch?

Foothill Ranch is owned by Private Entity (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Foothill Ranch built?

Foothill Ranch was completed in 1952, making it 74 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 Foothill Ranch?

Foothill Ranch serves the following purposes: Water Supply, Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Foothill Ranch?

Foothill Ranch has a dam height of 15 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 Foothill Ranch last inspected?

Foothill Ranch was last inspected on January 11, 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.