Riley Slough Fish Stocking
Snohomish County, Washington · 2005–2006 on record
According to Washington fish & wildlife agency, Riley Slough was last stocked June 8, 2006 with Coho Salmon. Riley Slough has 2 stocking records on file, spanning 2005–2006, with about 4,800 fish stocked over that period.
Nearby stocked waters
Other stocked waters near Riley Slough, freshest activity first.
King Lake
4 miPend Oreille County · 1 species · 46 records
Last stocked May 2026
Chain Lake
6 miSnohomish County · 2 species · 35 records
Last stocked May 2026
Wagner Lake
6 miSnohomish County · 2 species · 47 records
Last stocked April 2026
Skykomish River
2 miSnohomish County · 3 species · 126 records
Last stocked April 2026
Cottage Lake
6 miKing County · 2 species · 91 records
Last stocked April 2026
Lake Margaret
6 miKing County · 2 species · 78 records
Last stocked April 2026
By species
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Source |
|---|---|---|---|
| June 8, 2006 | Coho Salmon | 2,300 | Washington fish & wildlife agency |
| June 13, 2005 | Coho Salmon | 2,500 | Washington fish & wildlife agency |
The reporting agency did not include fish sizes for this water.
Frequently asked
When was Riley Slough last stocked?
According to Washington fish & wildlife agency, Riley Slough was last stocked June 8, 2006 with Coho Salmon.
What fish species are stocked in Riley Slough?
Riley Slough is stocked with Coho Salmon.
How often is Riley Slough stocked?
Riley Slough is stocked intermittently — 2 recorded stockings between 2005 and 2006.
How many fish have been stocked in Riley Slough?
About 4,800 fish have been stocked in Riley Slough across 2 recorded events since 2005, per Washington fish & wildlife agency.