Estuaries and salinity zones present 



1. Puget Sound 



2. Hood Canal 



3. Skagit Bay 



4. Grays Harbor 



5. Willapa Bay 



6. Columbia River 



7. Nehalem Bay 



8. Tillamook Bay 



9. Netarts Bay 



10. Siletz River 



1 1 . Yaquina Bay 



12. Alsea River 



13. Siuslaw River 



14. Umpqua River 



1 5. Coos Bay 



16. Rogue River 



17. Klamath River 



18. Humboldt Bay 



19. Eel River 



20. Tomales Bay 



21. Central San Francisco Bay* 



22. South San Francisco Bay 



23. Elkhorn Slough 



24. Morro Bay 



25. Santa Monica Bay 



26. San Pedro Bay 



27. Alamitos Bay 



28. Anaheim Bay 



29. Newport Bay 



30. Mission Bay 



31 . San Diego Bay 



32. Tijuana Estuary 



Central San Francisco Bay includes Suisun and San Pablo Bays 



WA 



023 



24^ 



CA 



Salinity zones: 



J_ Tidal fresh zone (0-0.5 ppt) 

 M Mixing zone (0.5-25 ppt) 



^ Seawater zone (>25 ppt) 

 J Salinity zone not present 



Figure 16. Location of 32 West Coast estuaries and associated salinity zones. 



41 



