Nechako Reservoir Updates - November 19, 2020

Reporting Period: November 13 to 19, 2020

  • Reservoir level has increased in the past 7 days from 2798.34 feet to 2798.41 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
  • Skins Lake Spillway discharge was reduced 60 m3/s on November 10 where it remains as of November 19 to allow water level in the Nechako River to decrease before freeze-up in order to reduce the risk of ice jams and flooding.
  • Spillway discharge may be increased or decreased through the winter depending on inflow to the reservoir and snowpack.
  • Nechako River flow discharge changes in the past 7 days at various locations are as follows:
    • Flow at Nautley increased from 28 m3/s to 32 m3/s.
    • Flow at Vanderhoof decreased from 222 m3/s to 156 m3/s.
    • Flow at Cheslatta Falls decreased from 175 m3/s to 103 m3/s.
  • Forty-nine (49) mm of precipitation was observed last week and seventeen (17) mm of precipitation is expected for next week.
  • You can monitor continuous reservoir elevation by clicking here(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).

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