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Stream Temperature

Since 2005, GCWIN has monitored Grand County's streams and rivers for temperature.  Currently, GCWIN has 55 active monitoring sites spread out across the county.  Stream temperature remains a concern particularly in the summer when high temperatures can hurt our valuable cold-water trout fisheries.

GCWIN's Stream Temperature Monitoring Plan:

  • Provides a baseline of temperature data in the Upper Colorado and Fraser River Basins

  • Provides information that has been used to support Colorado stream temperature standards

  • Facilitated Grand County's Stream Management Plan

  • Supports operational decisions for water diversion projects

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