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Black Slough Watershed

The Black Slough Watershed drains 8.65 square miles of land in the South Fork Nooksack Valley.

  • Land Use:
    • Land use within the Black Slough Watershed includes forestry, rangeland, agricultural, and some recreational use.
  • Fish species:
    • Black Slough provides critical rearing habitat for ESA-listed South Fork Spring Chinook salmon and spawning and rearing habitat for coho salmon and ESA-listed steelhead trout.
  • Watershed Facts:
    • The Black Slough is arguably the most important tributary stream to the South Fork of the Nooksack River.