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You'll find useful data in this section.

Spring Chinook return up the fish ladder to the adult holding facility at the hatchery. But the ladder is not opened for coho or steelhead. Coho for broodstock broodstock
The reproductively mature adults in a population that breed (or spawn) and produce more individuals (offspring or progeny).

Learn more about broodstock
are collected at Wells Dam; and steelhead for broodstock are collected in the river. The numbers presented here represent those collected for broodstock. Salmon and steelhead returns:

  • 2021: 265 steelhead collected for Winthrop NFH.
  • 2021: 1,028 spring Chinook returned to Winthrop NFH.
  • 2021: 785 coho collected for Winthrop NFH.
  • 2020: 212 steelhead collected for Winthrop NFH.
  • 2020: 974 spring Chinook returned to Winthrop NFH.
  • 2020: 842 coho collected for Winthrop NFH.
  • 2019: 275 steelhead collected for Winthrop NFH.
  • 2019: 1,249 spring Chinook returned to Winthrop NFH.
  • 2019: 1,386 coho collected for Winthrop NFH.
  • 2018: 333 steelhead collected for Winthrop NFH.
  • 2018: 1,377 spring Chinook returned to Winthrop NFH.
  • 2018: 1,285 coho collected for Winthrop NFH.
  • 2017: 1,577 spring Chinook returned to Winthrop NFH.
  • 2017: 1,251 coho collected for Winthrop NFH.

Track our salmon as they return via the Fish Passage Center's website.

Weather data is collected daily at the hatchery.  Data are displayed on the National Oceanic and Atmospheric Administration's website here.