Supplemental Aquatic Life Temperature Criteria Information

 

Different Aquatic Life Uses and Their Associated Numeric Criteria

BENEFICIAL USE TEMP
   Highest 7-DADMAX
Char Spawning and Rearing  12º C
Core Summer Salmonid Habitat  16º C
Salmonid Spawning, Rearing, and Migration 17.5º C
Salmonid Rearing, & Migration only 17.5º C

 

Spawning and Egg Incubation Periods

DATES SPECIES
Aug 21 - May 15 Char Spawning and Incubation
Sep 1 - May 15 Char Spawning and Incubation
Aug 1 - Jul 15 Salmon and Trout Spawning and Incubation
Aug 1 - Jun 15 Salmon and Trout Spawning and Incubation
Aug 15 - Jul 1 Salmon and Trout Spawning and Incubation
Aug 15 - Jul 15 Salmon and Trout Spawning and Incubation
Aug 15 - Jun 15 Salmon and Trout Spawning and Incubation
Aug 15 - May 15 Salmon and Trout Spawning and Incubation
Feb 15 - Jul 1 Salmon and Trout Spawning and Incubation
Feb 15 - Jun 1 Salmon and Trout Spawning and Incubation
Feb 15 - Jun 15 Salmon and Trout Spawning and Incubation
Oct 1 - Jun 15 Salmon and Trout Spawning and Incubation
Oct 1 - May 15 Salmon and Trout Spawning and Incubation
Sep 1 - Jul 1 Salmon and Trout Spawning and Incubation
Sep 1 - Jul 15 Salmon and Trout Spawning and Incubation
Sep 1 - Jun 15 Salmon and Trout Spawning and Incubation
Sep 15 - Jul 1 Salmon and Trout Spawning and Incubation
Sep 15 - Jun 15 Salmon and Trout Spawning and Incubation
Sep 15 - May 15 Salmon and Trout Spawning and Incubation

 

For questions or comments, please contact:

Susan Braley
Water Quality Program
WA Department of Ecology
P.O. Box 47600
Olympia, WA 98504-7600
Phone: 360-407-6414
Email: SWQS461@ecy.wa.gov

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Back to Surface Water Criteria

 

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Last updated April 2008