Municipal
Key Takeaway
Municipal is classified as high hazard in California. It was completed in 1939 and is 87 years old. Its primary use is water supply. 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 | 56 ft (taller than 65.1% in CA) |
| Dam Length | 430 ft |
| Dam Type | Earth |
| Max Storage | 169 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1939 (87 years old) |
| NID ID | CA00155 |
Safety Information
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?
Ownership
Private Entity
Private
Nearby Dams
Hestan Vineyards Dam
Napa, CA
High Hazard 21 ftLake Frey
Solano, CA
High Hazard 83 ftLake Madigan
Solano, CA
High Hazard 89 ftOlson
Napa, CA
High Hazard 45 ftGreen Valley Lake
Solano, CA
High Hazard 40 ftMorgan
Napa, CA
Low Hazard 34 ftLake Curry
Napa, CA
High Hazard 107 ftB. J. Robinson
Napa, CA
High Hazard 46 ftFrequently Asked Questions
What is the hazard classification of Municipal?
Municipal 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 Municipal?
Municipal is owned by Private Entity (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Municipal built?
Municipal was completed in 1939, making it 87 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 Municipal?
Municipal serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Municipal?
Municipal has a dam height of 56 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 Municipal last inspected?
Municipal was last inspected on February 28, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.