Banning Lewis #1
Key Takeaway
Banning Lewis #1 is classified as low hazard in Colorado. It was completed in 1888 and is 138 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 30 ft (taller than 65.6% in CO) |
| Dam Length | 750 ft |
| Dam Type | Earth |
| Max Storage | 150 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 2,645 cfs |
| Year Completed | 1888 (138 years old) |
| NID ID | CO01969 |
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
WESTERN SAVINGS & LOAN FA (AL TESTA)
Private
Nearby Dams
Sand Creek Detention Basin No. 2
El Paso, CO
Low Hazard 21 ftBanning Lewis #8
El Paso, CO
Low Hazard 21 ftSand Creek Detention Basin No. 6
El Paso, CO
Significant Hazard 20 ftDrake Lake
El Paso, CO
Low Hazard 16 ftWolf Ranch Irrigation Reservoir
El Paso, CO
Low Hazard 12 ftChapel Hills #2
El Paso, CO
High Hazard 42 ftChapel Hills #1
El Paso, CO
Low Hazard 34 ftPatty Jewett
El Paso, CO
Low Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Banning Lewis #1?
Banning Lewis #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 Banning Lewis #1?
Banning Lewis #1 is owned by WESTERN SAVINGS & LOAN FA (AL TESTA) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Banning Lewis #1 built?
Banning Lewis #1 was completed in 1888, making it 138 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 Banning Lewis #1?
Banning Lewis #1 serves the following purposes: Flood Risk Reduction, Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Banning Lewis #1?
Banning Lewis #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.
When was Banning Lewis #1 last inspected?
Banning Lewis #1 was last inspected on May 11, 1998. Inspection dates indicate when a formal review occurred, not the results of that inspection.