Nechako Reservoir Update - November 26, 2020

Reporting Period: November 20 to 26, 2020

  • Reservoir level has decreased in the past 7 days from 2798.41 feet to 2798.40 feet.
  • Ice jams sometimes form during freeze up. Be cautious around the river, and particularly in low lying areas. If you notice an ice jam form, please notify Rio Tinto immediately by emailing NechakoReservoirUpdates@riotinto.com.
  • Skins Lake Spillway discharge increased from 60 m3/s to 70 m3/s in the past 7 days. Spillway discharge may be increased or decreased through the winter depending on inflow to the reservoir and snowpack.
  • The increase in spillway discharge will not cause water level in the Nechako River to increase. The water level in the Nechako River will continue to decrease.
  • Nechako River flow discharge changes in the past 7 days at various locations are as follows:
    • Flow at Nautley remains unchanged at 32 m3/s.
    • Flow at Vanderhoof decreased from 156 m3/s to 127 m3/s.
    • Flow at Cheslatta Falls decreased from 103 m3/s to 80 m3/s.
  • Fifteen (15) mm of precipitation was observed last week and thirty-four (34) mm of precipitation is expected for next week.
  • You can monitor continuous reservoir elevation by clicking here(External link)(External link). 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(External link)(External link).

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