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Washington stocking report

Ancient Lake S

27 records Last stocked: May 7, 2026

The short answer

Ancient Lake S was last stocked on May 7, 2026: 1,850 Rainbow Trout (Fry, 101 fish/lb).

County
Grant
Species on record
Rainbow Trout
Records
27 stocking events
Official source
Washington Department of Fish and Wildlife report

Location map

Ancient Lake S location context

Approximate · county context
Adams County Asotin County Benton County Chelan County Clallam County Clark County Columbia County Cowlitz County Douglas County Ferry County Franklin County Garfield County Grant County Grays Harbor County Island County Jefferson County King County Kitsap County Kittitas County Klickitat County Lewis County Lincoln County Mason County Okanogan County Pacific County Pend Oreille County Pierce County San Juan County Skagit County Skamania County Snohomish County Spokane County Stevens County Thurston County Wahkiakum County Walla Walla County Whatcom County Whitman County Yakima County WA Ancient Lake S, Grant County Ancient Lake S Hatchery Creek 41.1199, Grant County Hatchery Creek 41.1199 Moses Lake, Grant County Moses Lake Billy Clapp Lake, Grant County Billy Clapp Lake Potholes Reservoir, Grant County Potholes Reservoir Blue Lake, Grant County Blue Lake Deep Lake, Grant County Deep Lake Drain Lake 645, Grant County Drain Lake 645 Warden Lake, Grant County Warden Lake Grant County
Ancient Lake SGrant County Hatchery Creek 41.1199Grant County Moses LakeGrant County Billy Clapp LakeGrant County Potholes ReservoirGrant County

Pins use the finest location published with the stocking record. County-level pins show area context, not an exact access point; confirm access and directions with the official agency source.

Agency records

Full stocking history

DateSpeciesFishSizeHatchery
May 7, 2026 Rainbow Trout 1,850 Fry, 101 fish/lb COLUMBIA BASIN HATCHERY
March 19, 2025 Rainbow Trout 1,953 Fry, 104 fish/lb COLUMBIA BASIN HATCHERY
March 14, 2024 Rainbow Trout 1,800 Fry, 85 fish/lb COLUMBIA BASIN HATCHERY
October 12, 2022 Rainbow Trout 1,800 Fry, 18.6 fish/lb COLUMBIA BASIN HATCHERY
October 11, 2021 Rainbow Trout 1,808 Fry, 23.8 fish/lb COLUMBIA BASIN HATCHERY
October 30, 2020 Rainbow Trout 1,800 Fry, 20 fish/lb COLUMBIA BASIN HATCHERY
October 18, 2019 Rainbow Trout 1,824 Fry, 20 fish/lb COLUMBIA BASIN HATCHERY
October 12, 2018 Rainbow Trout 1,811 Fry, 18.3 fish/lb COLUMBIA BASIN HATCHERY
October 20, 2017 Rainbow Trout 1,805 Fry, 19 fish/lb COLUMBIA BASIN HATCHERY
October 21, 2016 Rainbow Trout 1,819 Fry, 20.4 fish/lb COLUMBIA BASIN HATCHERY
October 7, 2015 Rainbow Trout 1,820 Fry, 20.4 fish/lb COLUMBIA BASIN HATCHERY
October 3, 2014 Rainbow Trout 2,278 Fry, 20.7 fish/lb COLUMBIA BASIN HATCHERY
October 4, 2013 Rainbow Trout 1,502 Fry, 18.75 fish/lb COLUMBIA BASIN HATCHERY
October 12, 2012 Rainbow Trout 1,535 Fry, 19.6 fish/lb COLUMBIA BASIN HATCHERY
October 6, 2011 Rainbow Trout 1,504 Fry, 18.8 fish/lb COLUMBIA BASIN HATCHERY
October 20, 2010 Rainbow Trout 1,505 Fry, 19.3 fish/lb COLUMBIA BASIN HATCHERY
November 10, 2009 Rainbow Trout 1,504 Fry, 22 fish/lb COLUMBIA BASIN HATCHERY
October 27, 2008 Rainbow Trout 1,506 Fry, 23 fish/lb COLUMBIA BASIN HATCHERY
October 11, 2007 Rainbow Trout 1,500 Fry, 18.4 fish/lb COLUMBIA BASIN HATCHERY
March 10, 2006 Rainbow Trout 3,000 Fry, 100 fish/lb COLUMBIA BASIN HATCHERY
April 25, 2005 Rainbow Trout 3,024 Fry, 84 fish/lb COLUMBIA BASIN HATCHERY
March 31, 2004 Rainbow Trout 1,502 Fry, 79.5 fish/lb COLUMBIA BASIN HATCHERY
April 23, 2003 Rainbow Trout 3,003 Fry, 91 fish/lb COLUMBIA BASIN HATCHERY
May 19, 1998 Rainbow Trout 2,023 Fry, 56.2 fish/lb COLUMBIA BASIN HATCHERY
March 18, 1997 Rainbow Trout 2,000 Fry, 39.5 fish/lb COLUMBIA BASIN HATCHERY
March 19, 1996 Rainbow Trout 2,016 Fry, 63 fish/lb COLUMBIA BASIN HATCHERY
August 28, 1995 Rainbow Trout 1,998 Fry, 18.8 fish/lb COLUMBIA BASIN HATCHERY

Records shown exactly as published by Washington Department of Fish and Wildlife. An event missing here does not mean the water was not stocked - some plants go unreported or are published elsewhere.

Data source: Washington Department of Fish and Wildlife. Last updated: .

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