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Union Flat Creek Fish Stocking

Whitman County, Washington · 1995–2026 on record

Source: Washington fish & wildlife agency· updated 2026-05-20

According to Washington fish & wildlife agency, Union Flat Creek was last stocked May 20, 2026 with Rainbow Trout. Union Flat Creek has 31 stocking records on file, spanning 1995–2026, with about 33,624 fish stocked over that period.

May 20, 2026
Last stocked
33,624
Fish stocked
1
Species
31
Stocking records

When Union Flat Creek is stocked

Union Flat Creek is typically stocked in spring, most often in May — 26 stocking events in that peak month.

How Union Flat Creek's stockings spread across the calendar year.

Nearby stocked waters

Other stocked waters near Union Flat Creek, freshest activity first.

Rock Lake

29 mi

Whitman County · 3 species · 433 records

Last stocked May 2026

Pampa Pond

4 mi

Whitman County · 1 species · 154 records

Last stocked May 2026

Tucannon River

20 mi

3 species · 220 records

Last stocked April 2026

Tucannon River

20 mi

Columbia County · 1 species · 26 records

Last stocked May 2022

Palouse River

19 mi

1 species · 9 records

Last stocked March 2020

Pataha Creek

22 mi

1 species · 9 records

Last stocked January 2014

Stocking history

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

DateSpeciesNumberSource
May 20, 2026Rainbow Trout500Washington fish & wildlife agency
May 28, 2025Rainbow Trout500Washington fish & wildlife agency
May 21, 2024Rainbow Trout500Washington fish & wildlife agency
May 26, 2023Rainbow Trout500Washington fish & wildlife agency
May 27, 2022Rainbow Trout500Washington fish & wildlife agency
May 28, 2021Rainbow Trout500Washington fish & wildlife agency
May 24, 2019Rainbow Trout520Washington fish & wildlife agency
May 25, 2018Rainbow Trout400Washington fish & wildlife agency
Show 23 more stocking records →
DateSpeciesNumberSource
May 19, 2017Rainbow Trout500Washington fish & wildlife agency
May 24, 2016Rainbow Trout560Washington fish & wildlife agency
June 2, 2015Rainbow Trout530Washington fish & wildlife agency
May 28, 2014Rainbow Trout500Washington fish & wildlife agency
May 21, 2013Rainbow Trout500Washington fish & wildlife agency
May 21, 2012Rainbow Trout500Washington fish & wildlife agency
June 1, 2011Rainbow Trout2,000Washington fish & wildlife agency
May 26, 2010Rainbow Trout1,540Washington fish & wildlife agency
June 3, 2009Rainbow Trout1,512Washington fish & wildlife agency
May 29, 2008Rainbow Trout1,300Washington fish & wildlife agency
May 18, 2007Rainbow Trout1,547Washington fish & wildlife agency
May 30, 2006Rainbow Trout1,501Washington fish & wildlife agency
May 25, 2005Rainbow Trout1,500Washington fish & wildlife agency
May 25, 2004Rainbow Trout1,501Washington fish & wildlife agency
May 28, 2003Rainbow Trout1,502Washington fish & wildlife agency
May 29, 2002Rainbow Trout1,508Washington fish & wildlife agency
May 30, 2001Rainbow Trout1,560Washington fish & wildlife agency
May 30, 2000Rainbow Trout1,495Washington fish & wildlife agency
May 26, 1999Rainbow Trout1,520Washington fish & wildlife agency
May 13, 1998Rainbow Trout1,581Washington fish & wildlife agency
April 16, 1997Rainbow Trout1,570Washington fish & wildlife agency
May 15, 1996Rainbow Trout1,976Washington fish & wildlife agency
April 11, 1995Rainbow Trout1,501Washington fish & wildlife agency

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

Frequently asked

When was Union Flat Creek last stocked?

According to Washington fish & wildlife agency, Union Flat Creek was last stocked May 20, 2026 with Rainbow Trout.

What fish species are stocked in Union Flat Creek?

Union Flat Creek is stocked with Rainbow Trout.

What time of year is Union Flat Creek stocked?

Union Flat Creek is typically stocked in spring, most often in May.

How often is Union Flat Creek stocked?

Union Flat Creek is stocked intermittently — 31 recorded stockings between 1995 and 2026.

How many fish have been stocked in Union Flat Creek?

About 33,624 fish have been stocked in Union Flat Creek across 31 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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