| Snoqualmie River At Duvall, WA |
| Snoqualmie River Near Carnation, WA |
| Snoqualmie River Near Snoqualmie, WA |
| Sooes River Below Miller Creek Near Ozette, WA |
| South Cascade Middle Tarn Near Marblemount, WA |
| South Fork Chehalis River Near Wildwood, WA |
| South Fork Newaukum River Near Onalaska, WA |
| South Fork Nooksack River At Saxon Bridge, WA |
| South Fork Palouse River At Pullman, WA |
| South Fork Skokomish River Near Union, WA |
| South Fork Snoqualmie River Above Alice Creek Near Garcia, WA |
| South Fork Stillaguamish River Near Granite Falls, WA |
| South Fork Sultan River Near Sultan, WA |
| South Fork Tolt River Below Regulating Basin Near Carnation, WA |
| South Fork Tolt River Near Carnation, WA |
| South Fork Tolt River Near Index, WA |
| South Fork Toutle River At Toutle, WA |
| South Prairie Creek At South Prairie, WA |
| Speelyai Creek Near Cougar, WA |
| Spokane River At Spokane, WA |
| Spokane River Below Trent Bridge Near Spokane, WA |
| Springbrook Creek At Orillia, WA |
| Stehekin River At Stehekin, WA |
| Stillaguamish River Near Stanwood, WA |
| Suiattle River Above All Creek Near Darrington, WA |
| Sultan River Below Diversion Dam Near Sultan, WA |
| Sultan River Below Powerplant Near Sultan, WA |
| Sumas River At South Pass Road At Nooksack, WA |
| Sumas River Near Sumas, WA |
| Swan Creek At 80Th St East Near Tacoma, WA |
| Taylor Creek Near Selleck, WA |
| Thunder Creek Near Newhalem, WA |
| Tilton River Above Bear Canyon Creek Near Cinebar, WA |
| Tolt River Near Carnation, WA |
| Toppenish Creek Near Fort Simcoe, WA |
| Toutle River At Tower Road Near Silver Lake, WA |
| Tucannon River Near Starbuck, WA |
| Tulalip Creek Above East Branch Near Tulalip, WA |
| Tulalip Creek Near Tulalip, WA |
| Twisp River Near Twisp, WA |
| Walla Walla River Near Touchet, WA |
| Wenatchee River At Monitor, WA |
| Wenatchee River At Peshastin, WA |
| Wenatchee River At Plain, WA |
| West Fork Salmon Creek Near Conconully, WA |
| White River Above Boise Creek At Buckley, WA |
| White River At Pacific, WA |
| White River At River Street Near Auburn, WA |
| White River At Roegner Park Near Auburn, WA |
| White River Below Clearwater River Near Buckley, WA |
