Morgan

Tr Gordon Val Cr· Napa, California· Earth· 34 ft tall
Low Hazard Other Irrigation Water Supply Private

Key Takeaway

Morgan is classified as low hazard in California. Its primary use is other.

Physical Details

Dam Height 34 ft (taller than 37.2% in CA)
Dam Length620 ft
Dam TypeEarth
Max Storage94 acre-ft
Surface Area6 acres
Drainage Area0 sq mi
NID IDCA01297

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: October 13, 2021
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 Morgan?

Morgan 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 Morgan?

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

What is the primary purpose of Morgan?

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

How tall is Morgan?

Morgan has a dam height of 34 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 Morgan last inspected?

Morgan was last inspected on October 13, 2021. 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.