Lake St. Clair

Of the 20,159 catchable trout WDFW put into Lake St. Clair in 2025, 89% arrived in March, April or May; the rest went in on Nov 25 and Dec 29.

WDFW data through Oct 30, 2026. Page updated November 5, 2026.

Lake St. Clair in numbers

catchable trout in 2025: 20,159
so far in 2026, through Oct 30: 19,034
2025 against the 2015–2025 average of 26,519 a year: −24%

2026 is running close to 2025: 19,034 fish through Oct 30, against 17,940 by the same date a year earlier. The latest batch, 4,000 rainbow trout, went in on May 6, 2026, 183 days before this page was built.

WDFW lists Lake St. Clair as 233.1 acres in Thurston County, at 77 ft. It is the smaller of the 2 Thurston County waters on this site. Per acre, Lake St. Clair got about 86 catchable trout in 2025, which puts it 26th of the 37 waters on this site with a WDFW acreage.

Release log

Every release since January 2025

15 species-date records, newest first. Fish per lb is the figure WDFW reports for each batch.

Latest batch, May 6, 20264,000rainbow trout, 7 oz each

Spring 2026

May 6Rainbow trout4,0002.4 per lb · avg 7 oz

Apr 23Rainbow trout3,0032.3 per lb · avg 7 oz

Apr 15Rainbow trout3,7502 per lb · avg 8 oz

Apr 13Rainbow trout1,7322.2 per lb · avg 7 oz

Mar 25Rainbow trout2,0752.5 per lb · avg 6 oz

Mar 23Rainbow trout4,0252.5 per lb · avg 6 oz

Winter 2026

Jan 8Cutthroat trout2900.5 per lb · avg 2.0 lb

Jan 2Cutthroat trout1590.5 per lb · avg 2.0 lb

Autumn 2025

Nov 25Rainbow trout1,9451.4 per lb · avg 11 oz

Spring 2025

May 7Rainbow trout1,8402.3 per lb · avg 7 oz

Apr 18Rainbow trout3,6702 per lb · avg 8 oz

Apr 15Rainbow trout2,7501.8 per lb · avg 9 oz

Apr 14Rainbow trout3,6802 per lb · avg 8 oz

Mar 26Rainbow trout6,0002.6 per lb · avg 6 oz

Winter 2025

Dec 29Cutthroat trout2740.5 per lb · avg 2.0 lb

2015 – 2026

Fish released each year

2025 is yellow. 2026 is outlined because the year is not over: the data runs to Oct 30, 2026. The busiest full year was 2023, with 10 release dates and 43,478 fish; the 2015–2025 average is 8.7 release dates a year.

2015: 20,408 catchable fish on 7 release dates
2016: 20,350 catchable fish on 7 release dates
2017: 19,748 catchable fish on 9 release dates
2018: 38,438 catchable fish on 12 release dates
2019: 28,810 catchable fish on 7 release dates
2020: 25,232 catchable fish on 8 release dates
2021: 23,561 catchable fish on 8 release dates
2022: 23,104 catchable fish on 9 release dates
43k2023: 43,478 catchable fish on 10 release dates
2024: 28,420 catchable fish on 12 release dates
20k2025: 20,159 catchable fish on 7 release dates
19k2026 (to Oct 30): 19,034 catchable fish on 8 release dates

How big are these fish?

4 to 8 oz: 22,675 fish, 58%
8 to 16 oz: 15,795 fish, 40%
2 lb and over: 723 fish, 2%

Weight is 1 ÷ fish per lb, as WDFW reports it for each batch. It is a batch average, not a guarantee for any one fish. Counts cover every release since January 2025.

Notes from the records

The biggest single batch since January 2025 was 6,000 rainbow trout on Mar 26, 2025. The heaviest fish were 290 cutthroat trout on Jan 8, 2026, at 0.5 per lb, about 2.0 lb each.

Species in these records: rainbow trout, cutthroat trout.

Timing shifts from year to year. Treat this as a pattern, not a promise.