Nechako Reservoir Update - November 6, 2020

Reporting Period: October 29 to November 6, 2020

  • Reservoir level has increased in the past 8 days from 2797.91 feet to 2798.39 feet.
  • Skins Lake Spillway discharge was increased on November 6 from 150 m3/s to 250 m3/s to manage inflow to the reservoir. Spillway discharge will be reduced next week to between 60 m3/s and 80 m3/s. This temporary increase in discharge is being done to manage higher than normal inflow from recent rain and snowmelt.
  • Water level in the Nechako River at Vanderhoof is expected to increase in a few days, but should be back down to lower than current levels by late November.
  • Nechako River flow discharge changes in the past 8 days at various locations are as follows:
    • Flow at Nautley increased from 19 m3/s to 23 m3/s.
    • Flow at Vanderhoof increased from 73 m3/s to 154 m3/s.
    • Flow at Cheslatta Falls increased from 51 m3/s to 120 m3/s.
  • Thirty-nine (39) mm of precipitation was observed last week and five (5) mm of precipitation is expected for next week.
  • You can monitor continuous reservoir elevation by clicking here. Select the Nechako Reservoir at Skins Lake Spillway and station number 08JA023. Reservoir normal maximum level is 12.55m on this gauge, which is equal to 853.44 m or 2800 feet.
  • Please see graphs below for elevation and flow projections. To view real-time and historical information on reservoir activity, click here.

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