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Isabella Lake Fish Stocking

Mason County, Washington · 1995–2025 on record

Source: Washington fish & wildlife agency· updated 2025-10-06

According to Washington fish & wildlife agency, Isabella Lake was last stocked October 6, 2025 with Rainbow Trout. Isabella Lake has 54 stocking records on file, spanning 1995–2025, with about 731,325 fish stocked over that period.

October 6, 2025
Last stocked
731,325
Fish stocked
2
Species
54
Stocking records

When Isabella Lake is stocked

Isabella Lake is typically stocked year-round, most often in March — 16 stocking events in that peak month.

How Isabella Lake's stockings spread across the calendar year.

Nearby stocked waters

Other stocked waters near Isabella Lake, freshest activity first.

Panhandle Lake

7 mi

Mason County · 2 species · 71 records

Last stocked June 2026

Summit Lake

8 mi

Thurston County · 3 species · 368 records

Last stocked May 2026

Lost Lake

6 mi

Mason County · 3 species · 223 records

Last stocked May 2026

Lake Limerick

9 mi

Mason County · 2 species · 59 records

Last stocked April 2026

Phillips Lake

9 mi

Mason County · 2 species · 127 records

Last stocked April 2026

Island Lake

5 mi

Mason County · 3 species · 172 records

Last stocked April 2026

Stocking history

Most recent stockings first. Dates shown at the precision the agency reported.

DateSpeciesNumberSource
October 6, 2025Rainbow Trout8,325Washington fish & wildlife agency
September 23, 2024Rainbow Trout8,320Washington fish & wildlife agency
October 2, 2023Rainbow Trout8,320Washington fish & wildlife agency
October 3, 2022Rainbow Trout8,650Washington fish & wildlife agency
October 4, 2021Rainbow Trout8,320Washington fish & wildlife agency
October 12, 2020Rainbow Trout8,400Washington fish & wildlife agency
October 1, 2019Rainbow Trout8,360Washington fish & wildlife agency
October 23, 2018Rainbow Trout8,547Washington fish & wildlife agency
Show 42 more stocking records →
DateSpeciesNumberSource
October 3, 2017Rainbow Trout1,200Washington fish & wildlife agency
October 3, 2016Rainbow Trout1,100Washington fish & wildlife agency
September 17, 2015Rainbow Trout1,207Washington fish & wildlife agency
October 19, 2010Rainbow Trout13,905Washington fish & wildlife agency
October 19, 2010Rainbow Trout1,104Washington fish & wildlife agency
May 5, 2010Rainbow Trout215Washington fish & wildlife agency
May 5, 2010Rainbow Trout1,388Washington fish & wildlife agency
October 27, 2009Rainbow Trout7,035Washington fish & wildlife agency
March 20, 2009Rainbow Trout3,002Washington fish & wildlife agency
September 22, 2008Rainbow Trout10,860Washington fish & wildlife agency
March 19, 2008Rainbow Trout3,003Washington fish & wildlife agency
July 26, 2007Rainbow Trout15,515Washington fish & wildlife agency
March 20, 2007Rainbow Trout200Washington fish & wildlife agency
March 20, 2007Rainbow Trout2,500Washington fish & wildlife agency
June 29, 2006Rainbow Trout7,595Washington fish & wildlife agency
March 14, 2006Rainbow Trout3,500Washington fish & wildlife agency
June 16, 2005Rainbow Trout44,784Washington fish & wildlife agency
March 14, 2005Rainbow Trout3,502Washington fish & wildlife agency
March 12, 2004Rainbow Trout1,032Washington fish & wildlife agency
June 18, 2003Rainbow Trout49,959Washington fish & wildlife agency
March 7, 2003Rainbow Trout4,012Washington fish & wildlife agency
November 25, 2002Rainbow Trout780Washington fish & wildlife agency
June 18, 2002Rainbow Trout32,130Washington fish & wildlife agency
March 11, 2002Rainbow Trout4,018Washington fish & wildlife agency
June 28, 2001Rainbow Trout15,400Washington fish & wildlife agency
March 22, 2001Rainbow Trout618Washington fish & wildlife agency
March 14, 2001Rainbow Trout4,033Washington fish & wildlife agency
March 8, 2000Rainbow Trout4,009Washington fish & wildlife agency
March 18, 1999Rainbow Trout3,996Washington fish & wildlife agency
July 2, 1998Rainbow Trout52,800Washington fish & wildlife agency
March 23, 1998Coho Salmon125,000Washington fish & wildlife agency
March 16, 1998Rainbow Trout4,000Washington fish & wildlife agency
October 6, 1997Rainbow Trout2,670Washington fish & wildlife agency
June 19, 1997Coho Salmon39,650Washington fish & wildlife agency
June 19, 1997Coho Salmon39,650Washington fish & wildlife agency
May 30, 1997Rainbow Trout50,016Washington fish & wildlife agency
April 25, 1997Rainbow Trout2,985Washington fish & wildlife agency
August 28, 1996Rainbow Trout2,600Washington fish & wildlife agency
May 30, 1996Rainbow Trout20,160Washington fish & wildlife agency
April 25, 1996Rainbow Trout788Washington fish & wildlife agency
March 28, 1996Rainbow Trout2,992Washington fish & wildlife agency
October 4, 1995Rainbow Trout4,689Washington fish & wildlife agency

The reporting agency did not include fish sizes for this water.

Showing 50 of 54 stocking records.

Frequently asked

When was Isabella Lake last stocked?

According to Washington fish & wildlife agency, Isabella Lake was last stocked October 6, 2025 with Rainbow Trout.

What fish species are stocked in Isabella Lake?

Isabella Lake is stocked with Rainbow Trout and Coho Salmon.

What time of year is Isabella Lake stocked?

Isabella Lake is typically stocked year-round, most often in March.

How often is Isabella Lake stocked?

Isabella Lake has been stocked about 2 times a year — 54 recorded stockings between 1995 and 2025.

How many fish have been stocked in Isabella Lake?

About 731,325 fish have been stocked in Isabella Lake across 54 recorded events since 1995, per Washington fish & wildlife agency.

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How this is calculated: compiled automatically from Washington fish & wildlife agency open data — normalized, date-validated, and shown only at the precision the agency reported. Sources & methodology →

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