Percolation Area

Tr Los Muertos Cr· San Benito, California· Built 1951· Earth· 12 ft tall
Low Hazard Water Supply Irrigation Private

Key Takeaway

Percolation Area is classified as low hazard in California. It was completed in 1951 and is 75 years old. Its primary use is water supply.

Physical Details

Dam Height 12 ft (taller than 4% in CA)
Dam Length5,000 ft
Dam TypeEarth
Max Storage430 acre-ft
Surface Area102 acres
Drainage Area1 sq mi
Year Completed1951 (75 years old)
NID IDCA00696

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: June 15, 2022
State Regulated: Yes
Regulatory Agency: DWR, Division of Safety of Dams

Ownership

Las Aguilas Corporation

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Percolation Area?

Percolation Area 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 Percolation Area?

Percolation Area is owned by Las Aguilas Corporation (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Percolation Area built?

Percolation Area was completed in 1951, making it 75 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 Percolation Area?

Percolation Area 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 Percolation Area?

Percolation Area has a dam height of 12 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 Percolation Area last inspected?

Percolation Area was last inspected on June 15, 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.