SNOFLO
 



RIDGWAY RESERVOIR

RESERVOIR LEVELS USBR 948
April 12, 2025


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Ridgway, located in Ouray County, Colorado, along the Uncompahgre River, is a Federal-owned dam designed by the Bureau of Reclamation for flood risk reduction. Completed in 1986, this earth dam stands at an impressive height of 330 feet, with a hydraulic height of 221 feet and a length of 2465 feet. Its primary purpose extends beyond flood protection to include irrigation, recreation, and water supply, showcasing its multifaceted role in water resource management.

With a storage capacity of 89,230 acre-feet and a surface area of 1109 acres, Ridgway Dam serves a vital role in managing the local watershed's drainage area of 265 square miles. Despite its high hazard potential, the dam is regularly inspected, with the most recent assessment conducted in June 2020. The Emergency Action Plan (EAP) for the dam was last revised in July 2020, emphasizing the importance of preparedness and risk management in safeguarding the surrounding communities.

As a significant piece of infrastructure in the region, Ridgway Dam symbolizes the intricate balance between human development and natural resources. Its presence not only mitigates flood risks but also supports essential functions like irrigation and recreation. By adhering to rigorous regulatory standards and maintaining a proactive approach to risk assessment, Ridgway Dam stands as a testament to responsible water resource management in the face of changing climates and evolving challenges.

Storage 24hr Change -0.04%
Percent of Normal 110%
Minimum 96 acre-ft
1986-10-27
Maximum 84,912 acre-ft
1990-06-11
Average 64,621 acre-ft
Dam_Height 330
Hydraulic_Height 221
Drainage_Area 265
Year_Completed 1986
Nid_Storage 89230
Hazard_Potential High
Structural_Height 330
River_Or_Stream UMCOMPAHGRE RIVER
Foundations Rock
Surface_Area 1109
Dam_Length 2465
Primary_Dam_Type Earth
Nid_Height 330
       
Seasonal Comparison
Created with Highcharts 8.0.0Seasonal Water Storage(acre-ft)1. Jan1. Feb1. Mar1. Apr1. May1. Jun1. Jul1. Aug1. Sep1. Oct1. Nov1. Dec050k100k
Storage Levels
Created with Highcharts 8.0.0Storage (acre-ft)14. Oct28. Oct11. Nov25. Nov9. Dec23. Dec6. Jan20. Jan3. Feb17. Feb3. Mar17. Mar31. Mar025k50k75k100k
Pool Elevation Levels
Created with Highcharts 8.0.0Pool Elevation (ft)14. Oct28. Oct11. Nov25. Nov9. Dec23. Dec6. Jan20. Jan3. Feb17. Feb3. Mar17. Mar31. Mar02.5k5k7.5k
Total Release Levels
Created with Highcharts 8.0.0Total Release (cfs)14. Oct28. Oct11. Nov25. Nov9. Dec23. Dec6. Jan20. Jan3. Feb17. Feb3. Mar17. Mar31. Mar0100200300
Inflow Levels
Created with Highcharts 8.0.0Inflow (cfs)14. Oct28. Oct11. Nov25. Nov9. Dec23. Dec6. Jan20. Jan3. Feb17. Feb3. Mar17. Mar31. Mar050100150200

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