Mineral Lake

The hatchery truck comes to Mineral Lake often: 16 release dates in 2025, in 5 different months, about 3,064 fish each time. The first came on Jan 22, 2025, the last on Aug 7, 2025.

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

Mineral Lake in numbers

catchable trout in 2025: 49,031
so far in 2026, through Oct 30: 65,179
2025 against the 2015–2025 average of 44,384 a year: +10%

2026 is running ahead of 2025: 65,179 fish through Oct 30, against 49,031 by the same date a year earlier. The latest batch, 2,751 brown trout, rainbow trout, went in on Jul 14, 2026, 114 days before this page was built.

WDFW lists Mineral Lake as 274.8 acres in Lewis County. It is the smaller of the 2 Lewis County waters on this site. Its 2025 stocking came to about 178 catchable trout per acre, 21st of the 37 waters on this site with a WDFW acreage.

Release log

Every release since January 2025

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

Latest batch, Jul 14, 20262,751brown trout, rainbow trout

Summer 2026

Jul 14Brown trout1,6882.5 per lb · avg 6 oz

Jul 14Rainbow trout1,0632.5 per lb · avg 6 oz

Jul 8Brown trout3,5002.5 per lb · avg 6 oz

Spring 2026

Apr 21Rainbow trout7,8002.6 per lb · avg 6 oz

Apr 19Brown trout5,8002.9 per lb · avg 6 oz

Apr 16Rainbow trout3,9202.8 per lb · avg 6 oz

Apr 15Rainbow trout7,0402.7 per lb · avg 6 oz

Apr 8Rainbow trout12,1502.7 per lb · avg 6 oz

Mar 3Rainbow trout9,9883.1 per lb · avg 5 oz

Winter 2026

Feb 24Rainbow trout11,8803.3 per lb · avg 5 oz

Feb 10Rainbow trout3500.1 per lb · avg 10.0 lb

Summer 2025

Aug 7Brown trout2,9582.5 per lb · avg 6 oz

Jul 31Rainbow trout2,1001.8 per lb · avg 9 oz

Jul 29Rainbow trout2,8761.5 per lb · avg 11 oz

Jul 9Rainbow trout2,3982 per lb · avg 8 oz

Jul 2Rainbow trout3,0002.5 per lb · avg 6 oz

Spring 2025

May 20Rainbow trout3,0002.5 per lb · avg 6 oz

May 15Brown trout1,0002.6 per lb · avg 6 oz

May 6Brown trout3,5102.7 per lb · avg 6 oz

Apr 29Rainbow trout3,0002.5 per lb · avg 6 oz

Apr 25Rainbow trout2,9992.5 per lb · avg 6 oz

Apr 24Rainbow trout3,0002.5 per lb · avg 6 oz

Apr 23Rainbow trout3,2402.7 per lb · avg 6 oz

Apr 17Rainbow trout3,0002.5 per lb · avg 6 oz

Apr 15Rainbow trout9,0002.5 per lb · avg 6 oz

Apr 9Rainbow trout3,6003 per lb · avg 5 oz

Winter 2025

Jan 22Rainbow trout3500.1 per lb · avg 10.0 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 2017, with 13 release dates and 61,159 fish; the 2015–2025 average is 11.0 release dates a year.

2015: 38,344 catchable fish on 6 release dates
2016: 57,131 catchable fish on 15 release dates
61k2017: 61,159 catchable fish on 13 release dates
2018: 34,920 catchable fish on 12 release dates
2019: 33,625 catchable fish on 7 release dates
2020: 50,520 catchable fish on 14 release dates
2021: 47,088 catchable fish on 10 release dates
2022: 39,037 catchable fish on 10 release dates
2023: 36,546 catchable fish on 8 release dates
2024: 40,827 catchable fish on 10 release dates
49k2025: 49,031 catchable fish on 16 release dates
65k2026 (to Oct 30): 65,179 catchable fish on 10 release dates

How big are these fish?

4 to 8 oz: 106,136 fish, 93%
8 to 16 oz: 7,374 fish, 6%
2 lb and over: 700 fish, 1%

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 12,150 rainbow trout on Apr 8, 2026. The heaviest fish were 350 rainbow trout on Feb 10, 2026, at 0.1 per lb, about 10.0 lb each.

Species in these records: rainbow trout, brown trout.

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