SNOFLO


SCOTTS FLAT

RESERVOIR LEVELS USBR SFL
May 7, 2025


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Scotts Flat Spillway in Nevada City, California, is a concrete gravity dam primarily used for fire protection, stock, and small fish pond purposes. Managed by a public utility, the dam stands at a height of 55 feet and has a storage capacity of 49,000 acre-feet. The spillway, categorized as uncontrolled, has a maximum discharge of 28,000 cubic feet per second and is located on Deer Creek.

The dam is regulated by the California Department of Water Resources (DWR) under the Safety of Dams program and is subject to regular inspections to ensure its structural integrity. With a high hazard potential, the spillway poses risks that are mitigated through emergency action plans and risk assessment measures. The Federal Energy Regulatory Commission oversees the dam's operations, inspections, and regulatory compliance to ensure safety and efficiency in its functioning.

Scotts Flat Spillway serves as a critical water resource infrastructure in the region, providing essential services for fire protection, irrigation, and hydroelectric power generation. With its strategic location and significant storage capacity, the dam plays a crucial role in managing water resources and ensuring water supply reliability for the surrounding communities. As a key component of the local water management system, the spillway contributes to the overall resilience of the region in the face of changing climate conditions and water resource challenges.

Storage 24hr Change -0.61%
Percent of Normal 80%
Minimum 24,298 acre-ft
2021-10-14
Maximum 49,216 acre-ft
2023-01-14
Average 48,440 acre-ft
Nid_Height 55
Dam_Height 55
Primary_Dam_Type Concrete
Foundations Rock
Surface_Area 725
Hazard_Potential High
Nid_Storage 49000
River_Or_Stream Deer Creek
Dam_Length 239
       
Seasonal Comparison
Created with Highcharts 8.0.0Seasonal Water Storage(acre-ft)1. Jan1. Feb1. Mar1. Apr1. May1. Jun1. Jul1. Aug1. Sep1. Oct1. Nov1. Dec025k50k75k
Storage Levels
Created with Highcharts 8.0.0Storage (acre-ft)15. Jan29. Jan12. Feb26. Feb11. Mar25. Mar8. Apr22. Apr6. May20. May3. Jun17. Jun1. Jul020k40k60k
Pool Elevation Levels
Created with Highcharts 8.0.0Pool Elevation (ft)8. Jan22. Jan5. Feb19. Feb4. Mar18. Mar1. Apr15. Apr29. Apr13. May27. May10. Jun24. Jun8. Jul01k2k3k4k

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