Lawler
Key Takeaway
Lawler is classified as low hazard in California. It was completed in 1910 and is 116 years old. Its primary use is water supply.
Physical Details
| Dam Height | 40 ft (taller than 46.3% in CA) |
| Dam Length | 1,150 ft |
| Dam Type | Earth |
| Max Storage | 227 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1910 (116 years old) |
| NID ID | CA00834 |
Safety Information
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?
Ownership
City of Petaluma
Local Government
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High Hazard 95 ftFrequently Asked Questions
What is the hazard classification of Lawler?
Lawler 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 Lawler?
Lawler is owned by City of Petaluma (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lawler built?
Lawler was completed in 1910, making it 116 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 Lawler?
Lawler 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 Lawler?
Lawler has a dam height of 40 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 Lawler last inspected?
Lawler was last inspected on April 27, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.