Raw Water Reservoir
Key Takeaway
Raw Water Reservoir is classified as significant hazard in Wyoming. It was completed in 2022 and is 4 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 38 ft (taller than 84.6% in WY) |
| Dam Length | 3,600 ft |
| Dam Type | Earth |
| Max Storage | 429 acre-ft |
| Normal Storage | 351 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 13 sq mi |
| Max Discharge | 37 cfs |
| Year Completed | 2022 (4 years old) |
| NID ID | WY02920 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
SWEETWATER COUNTY JOINT POWERS WATER BOARD
Public Utility
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What is the hazard classification of Raw Water Reservoir?
Raw Water Reservoir is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Raw Water Reservoir?
Raw Water Reservoir is owned by SWEETWATER COUNTY JOINT POWERS WATER BOARD (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Raw Water Reservoir built?
Raw Water Reservoir was completed in 2022, making it 4 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 Raw Water Reservoir?
Raw Water Reservoir 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 Raw Water Reservoir?
Raw Water Reservoir has a dam height of 38 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 Raw Water Reservoir last inspected?
Raw Water Reservoir was last inspected on June 28, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.