Big Coon Subwatershed Site 3-3
Key Takeaway
Big Coon Subwatershed Site 3-3 is classified as low hazard in Iowa. It was completed in 1999 and is 27 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 41 ft (taller than 86.2% in IA) |
| Dam Length | 439 ft |
| Dam Type | Earth |
| Max Storage | 73 acre-ft |
| Normal Storage | 29 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1999 (27 years old) |
| NID ID | IA03244 |
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
Woodbury County SWCD
Local Government
Nearby Dams
Big Coon Subwatershed Site 3a-4
Woodbury, IA
Low Hazard 36 ftBig Coon Subwatershed Site 2-9a
Woodbury, IA
Low Hazard 45 ftBig Coon Subwatershed Site 2-10a
Woodbury, IA
Low Hazard 47 ftBig Coon Subwatershed Site D-2-1
Woodbury, IA
Low Hazard 42 ftPeterson Dam
Woodbury, IA
Low Hazard 30 ftBig Coon Subwatershed Site 6h-2
Woodbury, IA
Low Hazard 33 ftWalling Subwatershed Sta 55+40 #1
Woodbury, IA
Low Hazard 50 ftWalling Subwatershed Sta 19+70 #4
Woodbury, IA
Low Hazard 31 ftFrequently Asked Questions
What is the hazard classification of Big Coon Subwatershed Site 3-3?
Big Coon Subwatershed Site 3-3 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 Big Coon Subwatershed Site 3-3?
Big Coon Subwatershed Site 3-3 is owned by Woodbury County SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Big Coon Subwatershed Site 3-3 built?
Big Coon Subwatershed Site 3-3 was completed in 1999, making it 27 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 Big Coon Subwatershed Site 3-3?
Big Coon Subwatershed Site 3-3 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 Big Coon Subwatershed Site 3-3?
Big Coon Subwatershed Site 3-3 has a dam height of 41 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.