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Twelve Lake Fish Stocking

King County, Washington · 1995–2026 on record

Source: Washington fish & wildlife agency· updated 2026-04-01

According to Washington fish & wildlife agency, Twelve Lake was last stocked April 1, 2026 with Rainbow Trout. Twelve Lake has 48 stocking records on file, spanning 1995–2026, with about 129,608 fish stocked over that period.

April 1, 2026
Last stocked
129,608
Fish stocked
2
Species
48
Stocking records

When Twelve Lake is stocked

Twelve Lake is typically stocked in spring, most often in March — 18 stocking events in that peak month.

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

Nearby stocked waters

Other stocked waters near Twelve Lake, freshest activity first.

Mayfield Reservoir

13 mi

Lewis County · 5 species · 420 records

Last stocked July 2026

Goose Lake

11 mi

Lewis County · 2 species · 17 records

Last stocked July 2026

Lake Lawrence

8 mi

Thurston County · 4 species · 166 records

Last stocked May 2026

Clear Lake

7 mi

Thurston County · 5 species · 199 records

Last stocked April 2026

Harts Lake

12 mi

Pierce County · 2 species · 105 records

Last stocked March 2026

Mine Creek

7 mi

King County · 1 species · 1 records

Last stocked July 2020

Stocking history

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

DateSpeciesNumberSource
April 1, 2026Rainbow Trout4,500Washington fish & wildlife agency
April 1, 2025Rainbow Trout5,400Washington fish & wildlife agency
April 2, 2024Rainbow Trout4,500Washington fish & wildlife agency
April 18, 2023Rainbow Trout4,500Washington fish & wildlife agency
March 28, 2022Rainbow Trout834Washington fish & wildlife agency
March 28, 2022Rainbow Trout3,162Washington fish & wildlife agency
April 5, 2021Rainbow Trout4,500Washington fish & wildlife agency
April 21, 2020Rainbow Trout4,500Washington fish & wildlife agency
Show 40 more stocking records →
DateSpeciesNumberSource
April 3, 2019Rainbow Trout4,512Washington fish & wildlife agency
April 4, 2018Rainbow Trout4,500Washington fish & wildlife agency
April 4, 2017Rainbow Trout4,500Washington fish & wildlife agency
April 6, 2016Rainbow Trout4,500Washington fish & wildlife agency
April 22, 2015Rainbow Trout2,025Washington fish & wildlife agency
April 7, 2015Rainbow Trout2,560Washington fish & wildlife agency
April 22, 2014Rainbow Trout4,500Washington fish & wildlife agency
May 10, 2013Rainbow Trout4,500Washington fish & wildlife agency
May 1, 2012Rainbow Trout4,000Washington fish & wildlife agency
March 14, 2011Rainbow Trout4,300Washington fish & wildlife agency
March 17, 2010Rainbow Trout3,000Washington fish & wildlife agency
March 27, 2009Rainbow Trout3,028Washington fish & wildlife agency
May 22, 2008Rainbow Trout1,500Washington fish & wildlife agency
March 11, 2008Rainbow Trout3,090Washington fish & wildlife agency
June 12, 2007Rainbow Trout1,500Washington fish & wildlife agency
March 21, 2007Rainbow Trout3,000Washington fish & wildlife agency
June 20, 2006Rainbow Trout1,000Washington fish & wildlife agency
March 21, 2006Rainbow Trout2,000Washington fish & wildlife agency
November 3, 2005Rainbow Trout500Washington fish & wildlife agency
May 2, 2005Rainbow Trout1,500Washington fish & wildlife agency
March 14, 2005Rainbow Trout1,500Washington fish & wildlife agency
October 15, 2004Rainbow Trout500Washington fish & wildlife agency
July 22, 2004Rainbow Trout400Washington fish & wildlife agency
April 28, 2004Rainbow Trout1,500Washington fish & wildlife agency
March 17, 2004Rainbow Trout1,500Washington fish & wildlife agency
March 19, 2003Rainbow Trout2,500Washington fish & wildlife agency
June 10, 2002Rainbow Trout2,000Washington fish & wildlife agency
March 7, 2002Rainbow Trout2,000Washington fish & wildlife agency
May 24, 2001Rainbow Trout2,500Washington fish & wildlife agency
March 12, 2001Rainbow Trout2,000Washington fish & wildlife agency
July 26, 2000Rainbow Trout3,000Washington fish & wildlife agency
July 26, 2000Rainbow Trout3,000Washington fish & wildlife agency
April 12, 2000Rainbow Trout2,000Washington fish & wildlife agency
March 20, 1998Rainbow Trout2,750Washington fish & wildlife agency
April 1, 1997Rainbow Trout4,300Washington fish & wildlife agency
May 23, 1996Rainbow Trout2,300Washington fish & wildlife agency
March 22, 1996Rainbow Trout1,500Washington fish & wildlife agency
March 22, 1995Rainbow Trout952Washington fish & wildlife agency
March 15, 1995Cutthroat Trout100Washington fish & wildlife agency
March 14, 1995Rainbow Trout1,395Washington fish & wildlife agency

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

Frequently asked

When was Twelve Lake last stocked?

According to Washington fish & wildlife agency, Twelve Lake was last stocked April 1, 2026 with Rainbow Trout.

What fish species are stocked in Twelve Lake?

Twelve Lake is stocked with Rainbow Trout and Cutthroat Trout.

What time of year is Twelve Lake stocked?

Twelve Lake is typically stocked in spring, most often in March.

How often is Twelve Lake stocked?

Twelve Lake has been stocked about 2 times a year — 48 recorded stockings between 1995 and 2026.

How many fish have been stocked in Twelve Lake?

About 129,608 fish have been stocked in Twelve Lake across 48 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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