Basin Evaluation Report

Maps 1 - 5 (PDF) includes:
  • Map 1: Thurston County Watersheds
  • Map 2: Thurston County Basins
  • Map 3: Thurston County Analysis Units
  • Map 4: Benthic Index of Biotic Integrity (B-IBI) Sample Site Locations
  • Map 5: General Water Quality for Thurston County’s Streams - 2007 to 2009 Water Years
Map 6 - 10 (PDF) includes:
  • Map 6: 1991 Total Impervious Area By Basin
  • Map 7: 2010 Total Impervious Area by Basin
  • Map 8: 2035 Total Impervious Area by Basin
  • Map 9: Total Impervious Area Estimate at Build Out By Basin
  • Map 10: Estimated Increase in Total Impervious Area - 2010 to Build-out
Maps 11 - 15 (PDF) includes:
  • Map 11: 1991 Forest Canopy by Basin
  • Map 12: 2006 Forest Canopy by Basin
  • Map 13: Forest Lands Vulnerable to Conversion
  • Map 14: Thurston County Wetlands
  • Map 15: Stream Riparian buffers
Maps 16 - 20 (PDF) includes:
  • Map 16: Landscape Groups: Puget Sound Watershed Characterization
  • Map 17: Basin Current Conditions
  • Map 18: Importance of Water flow – Surface Water: Puget Sound Watershed Characterization
  • Map 19: Importance of Water flow – Groundwater Recharge: Puget Sound Watershed Characterization
  • Map 20: Importance of Water flow – Groundwater Discharge: Puget Sound Watershed Characterization