Lawson Subwatershed Site 2-2
Key Takeaway
Lawson Subwatershed Site 2-2 is classified as low hazard in Iowa. It was completed in 1968 and is 58 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 45 ft (taller than 91.4% in IA) |
| Dam Length | 605 ft |
| Dam Type | Earth |
| Max Storage | 138 acre-ft |
| Normal Storage | 65 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1968 (58 years old) |
| NID ID | IA00708 |
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
Monona County SWCD
Local Government
Nearby Dams
Lawson Subwatershed Site 1-1
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Low Hazard 39 ftLawson Subwatershed Site 2-1
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Low Hazard 26 ftLawson Subwatershed Site 3-1
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Low Hazard 30 ftBaker Subwatershed Site 2-4
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Low Hazard 29 ftNutt Hollow Subwatershed Site 2-3176
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Low Hazard 38 ftNutt Hollow Subwatershed Site 2-6161
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Low Hazard 18 ftMc Call Subwatershed Site 10-2
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Low Hazard 36 ftNutt Hollow Subwatershed Site M-12855
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Low Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Lawson Subwatershed Site 2-2?
Lawson Subwatershed Site 2-2 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 Lawson Subwatershed Site 2-2?
Lawson Subwatershed Site 2-2 is owned by Monona County SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lawson Subwatershed Site 2-2 built?
Lawson Subwatershed Site 2-2 was completed in 1968, making it 58 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 Lawson Subwatershed Site 2-2?
Lawson Subwatershed Site 2-2 serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lawson Subwatershed Site 2-2?
Lawson Subwatershed Site 2-2 has a dam height of 45 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.