Lawson Subwatershed Site 3-1
Key Takeaway
Lawson Subwatershed Site 3-1 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 | 30 ft (taller than 48.2% in IA) |
| Dam Length | 556 ft |
| Dam Type | Earth |
| Max Storage | 61 acre-ft |
| Normal Storage | 21 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1968 (58 years old) |
| NID ID | IA00709 |
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
Nutt 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 ftLawson Subwatershed Site 2-1
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Low Hazard 26 ftLawson Subwatershed Site 2-2
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Low Hazard 45 ftNutt Hollow Subwatershed Site 3-3075
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Low Hazard 32 ftNutt Hollow Subwatershed Site M-6842
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Low Hazard 26 ftNutt Hollow Subwatershed Site M-3650
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Low Hazard 24 ftMc Call Subwatershed Site 10-2
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Low Hazard 36 ftFrequently Asked Questions
What is the hazard classification of Lawson Subwatershed Site 3-1?
Lawson Subwatershed Site 3-1 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 3-1?
Lawson Subwatershed Site 3-1 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 3-1 built?
Lawson Subwatershed Site 3-1 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 3-1?
Lawson Subwatershed Site 3-1 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 3-1?
Lawson Subwatershed Site 3-1 has a dam height of 30 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.