Prairie Cr. No. B-4-7 (O'Conner)
Key Takeaway
Prairie Cr. No. B-4-7 (O'Conner) is classified as low hazard in Indiana. It was completed in 1966 and is 60 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 30 ft (taller than 62.3% in IN) |
| Dam Length | 1,250 ft |
| Dam Type | Earth |
| Max Storage | 4.3K acre-ft |
| Normal Storage | 360 acre-ft |
| Surface Area | 101 acres |
| Drainage Area | 13 sq mi |
| Max Discharge | 9,000 cfs |
| Year Completed | 1966 (60 years old) |
| NID ID | IN00089 |
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
PRAIRIE CREEK DAVIESS CONSERVANCY DISTRICT
Local Government
Nearby Dams
Prairie Cr. No. B-3-1 (Montgomery)
Daviess, IN
Significant Hazard 27 ftPrairie Cr. No. B-3-2 (Price)
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Significant Hazard 21 ftPrairie Cr. No. B-2-1 (Cropp)
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Significant Hazard 28 ftPrairie Cr. No. A-2-1 (Swartzentruber)
Daviess, IN
Significant Hazard 25 ftPrairie Cr. No. A-2-2 (Knopp)
Daviess, IN
Low Hazard 21 ftPrairie Cr. No. A-2-3 (Graber-Miller)
Daviess, IN
Low Hazard 21 ftD & E Marsh Dam
Daviess, IN
Low Hazard 8 ftWest Boggs Creek Structure No. 1
Martin, IN
High Hazard 51 ftFrequently Asked Questions
What is the hazard classification of Prairie Cr. No. B-4-7 (O'Conner)?
Prairie Cr. No. B-4-7 (O'Conner) 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 Prairie Cr. No. B-4-7 (O'Conner)?
Prairie Cr. No. B-4-7 (O'Conner) is owned by PRAIRIE CREEK DAVIESS CONSERVANCY DISTRICT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Prairie Cr. No. B-4-7 (O'Conner) built?
Prairie Cr. No. B-4-7 (O'Conner) was completed in 1966, making it 60 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 Prairie Cr. No. B-4-7 (O'Conner)?
Prairie Cr. No. B-4-7 (O'Conner) serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Prairie Cr. No. B-4-7 (O'Conner)?
Prairie Cr. No. B-4-7 (O'Conner) 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.
When was Prairie Cr. No. B-4-7 (O'Conner) last inspected?
Prairie Cr. No. B-4-7 (O'Conner) was last inspected on March 12, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.