Montezuma

Solano, California· Built 2003· Earth· 14 ft tall
Low Hazard Water Supply Tailings Private

Key Takeaway

Montezuma is classified as low hazard in California. It was completed in 2003 and is 23 years old. Its primary use is water supply.

Physical Details

Dam Height 14 ft (taller than 6.7% in CA)
Dam Length5,150 ft
Dam TypeEarth
Max Storage225 acre-ft
Surface Area22 acres
Year Completed2003 (23 years old)
NID IDCA01466

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 18, 2022
State Regulated: Yes
Regulatory Agency: DWR, Division of Safety of Dams

Ownership

Montezuma Wetlands, LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Montezuma?

Montezuma 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 Montezuma?

Montezuma is owned by Montezuma Wetlands, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Montezuma built?

Montezuma was completed in 2003, making it 23 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 Montezuma?

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

How tall is Montezuma?

Montezuma has a dam height of 14 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 Montezuma last inspected?

Montezuma was last inspected on April 18, 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.