City of Blackwell
Key Takeaway
City of Blackwell is classified as low hazard in Oklahoma. It was completed in 1950 and is 76 years old. Its primary use is water supply.
Physical Details
| Dam Height | 20 ft (taller than 11.5% in OK) |
| Dam Length | 600 ft |
| Dam Type | Buttress |
| Max Storage | 120 acre-ft |
| Normal Storage | 120 acre-ft |
| Year Completed | 1950 (76 years old) |
| NID ID | OK10486 |
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
CITY OF BLACKWELL
Local Government
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of City of Blackwell?
City of Blackwell 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 City of Blackwell?
City of Blackwell is owned by CITY OF BLACKWELL (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was City of Blackwell built?
City of Blackwell was completed in 1950, making it 76 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 City of Blackwell?
City of Blackwell serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is City of Blackwell?
City of Blackwell has a dam height of 20 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 City of Blackwell last inspected?
City of Blackwell was last inspected on May 17, 2011. Inspection dates indicate when a formal review occurred, not the results of that inspection.