Lum Hollow Subwatershed 9-3544
Key Takeaway
Lum Hollow Subwatershed 9-3544 is classified as low hazard in Iowa. It was completed in 1959 and is 67 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 47 ft (taller than 93.3% in IA) |
| Dam Length | 350 ft |
| Dam Type | Earth |
| Max Storage | 170 acre-ft |
| Normal Storage | 52 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1959 (67 years old) |
| NID ID | IA01719 |
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
Lum Hollow Subwatershed 9-5186
Woodbury, IA
Low Hazard 40 ftLum Hollow Subwatershed 9c-3295
Woodbury, IA
Low Hazard 35 ftDavis Subwatershed M-2410
Woodbury, IA
Low Hazard 22 ftLum Hollow Subwatershed 9-10651
Woodbury, IA
Low Hazard 25 ftLum Hollow Subwatershed 9-7697
Woodbury, IA
Low Hazard 31 ftLum Hollow Subwatershed M-3847
Woodbury, IA
Low Hazard 55 ftLum Hollow Subwatershed M-6199
Woodbury, IA
Low Hazard 39 ftLum Hollow Subwatershed M-8552
Woodbury, IA
Low Hazard 31 ftFrequently Asked Questions
What is the hazard classification of Lum Hollow Subwatershed 9-3544?
Lum Hollow Subwatershed 9-3544 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 Lum Hollow Subwatershed 9-3544?
Lum Hollow Subwatershed 9-3544 is owned by Woodbury County SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lum Hollow Subwatershed 9-3544 built?
Lum Hollow Subwatershed 9-3544 was completed in 1959, making it 67 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 Lum Hollow Subwatershed 9-3544?
Lum Hollow Subwatershed 9-3544 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 Lum Hollow Subwatershed 9-3544?
Lum Hollow Subwatershed 9-3544 has a dam height of 47 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 Lum Hollow Subwatershed 9-3544 last inspected?
Lum Hollow Subwatershed 9-3544 was last inspected on April 22, 1977. Inspection dates indicate when a formal review occurred, not the results of that inspection.