
Lake Kapowsin Fishing Regulations
Pierce County, Washington · 2026 size limits, bag limits, and seasons
Lake Kapowsin is a lake in Pierce County, Washington. It has its own fishing regulations for 4 species, including Channel Catfish, Largemouth Bass, Smallmouth Bass, and Walleye. These rules replace Washington's statewide limits on this water.
Map of Lake Kapowsin

Fish with special rules on Lake Kapowsin
Tap a fish for identification tips, size records, and the best bait.
Lake Kapowsin limits by species (2026)
| Species | Size limit | Daily bag | Season |
|---|---|---|---|
| – | 10 | Year-round | |
| 12" max | 10 | Year-round | |
| – | 15 | Year-round | |
| – | 16 | Year-round |
– means no limit is listed for this water. Rules not shown here follow Washington's statewide regulations.
Plan your Lake Kapowsin trip
Lake Kapowsin fishing: common questions
What fish have special regulations on Lake Kapowsin?
4 species have rules specific to Lake Kapowsin: Channel Catfish, Largemouth Bass, Smallmouth Bass, and Walleye.
What is the channel catfish limit on Lake Kapowsin?
No size limit is listed for Channel Catfish on Lake Kapowsin, and the daily bag limit is 10.
What is the largemouth bass limit on Lake Kapowsin?
Largemouth Bass have a maximum size of 12" on Lake Kapowsin, and the daily bag limit is 10.
What is the smallmouth bass limit on Lake Kapowsin?
No size limit is listed for Smallmouth Bass on Lake Kapowsin, and the daily bag limit is 15.
Do Washington statewide fishing rules apply on Lake Kapowsin?
Where Lake Kapowsin has its own rule for a species, that rule replaces the statewide limit. For species not listed on this page, Washington's statewide regulations apply. Regulations are set by the Washington Department of Fish and Wildlife; confirm with the official 2026 regulations before keeping a fish.
Other Washington waters with special regulations
- Yakima River · Benton
- Columbia River
- Wind River · Skamania
- Drano Lake · Skamania
- Naselle River · Pacific
- Roosevelt Lake · Ferry/Grant/Lincoln/Okanogan/Stevens
- Cowlitz River · Cowlitz/Lewis
- Green River · Duwamish
- Grays River · Wahkiakum
- Nisqually River · Pierce/Thurston
- Nooksack River · Whatcom
- Humptulips River · Grays Harbor
Take Lake Kapowsin rules on the water
Identify your catch, check if it's a keeper, and log it. CatchVault is on iOS, with Android on the way.



