StockedWaters
Open menu

Rock Lake Fish Stocking

Whitman County, Washington · 1995–2026 on record

Source: Washington fish & wildlife agency· updated 2026-05-13

According to Washington fish & wildlife agency, Rock Lake was last stocked May 13, 2026 with Rainbow Trout. Rock Lake has 433 stocking records on file, spanning 1995–2026, with about 8,985,561 fish stocked over that period.

May 13, 2026
Last stocked
8,985,561
Fish stocked
3
Species
433
Stocking records

When Rock Lake is stocked

Rock Lake is typically stocked in fall, most often in October — 165 stocking events in that peak month.

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

Nearby stocked waters

Other stocked waters near Rock Lake, freshest activity first.

Chapman Lake

14 mi

Spokane County · 2 species · 52 records

Last stocked May 2026

Sprague Lake

19 mi

Adams County · 8 species · 256 records

Last stocked May 2026

Long Lake

19 mi

Spokane County · 2 species · 83 records

Last stocked May 2026

Williams Lake

10 mi

Spokane County · 3 species · 235 records

Last stocked May 2026

Amber Lake

12 mi

Spokane County · 2 species · 54 records

Last stocked May 2026

Badger Lake

12 mi

Spokane County · 3 species · 157 records

Last stocked May 2026

Stocking history

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

DateSpeciesNumberSource
May 13, 2026Rainbow Trout49,400Washington fish & wildlife agency
May 13, 2026Rainbow Trout52,250Washington fish & wildlife agency
May 11, 2026Rainbow Trout60,592Washington fish & wildlife agency
May 7, 2026Rainbow Trout64,581Washington fish & wildlife agency
March 9, 2026Rainbow Trout10,126Washington fish & wildlife agency
March 5, 2026Rainbow Trout6,124Washington fish & wildlife agency
March 2, 2026Brown Trout15,000Washington fish & wildlife agency
October 31, 2025Steelhead11,250Washington fish & wildlife agency
Show 42 more stocking records →
DateSpeciesNumberSource
October 31, 2025Rainbow Trout7,500Washington fish & wildlife agency
October 27, 2025Rainbow Trout21,560Washington fish & wildlife agency
October 24, 2025Rainbow Trout7,650Washington fish & wildlife agency
October 23, 2025Rainbow Trout12,160Washington fish & wildlife agency
October 22, 2025Rainbow Trout10,877Washington fish & wildlife agency
October 22, 2025Rainbow Trout9,136Washington fish & wildlife agency
October 3, 2025Rainbow Trout15,933Washington fish & wildlife agency
October 1, 2025Brown Trout15,570Washington fish & wildlife agency
October 1, 2025Brown Trout4,430Washington fish & wildlife agency
September 30, 2025Brown Trout42,712Washington fish & wildlife agency
September 30, 2025Brown Trout26,078Washington fish & wildlife agency
May 30, 2025Rainbow Trout4Washington fish & wildlife agency
May 28, 2025Rainbow Trout35,181Washington fish & wildlife agency
May 28, 2025Rainbow Trout71,519Washington fish & wildlife agency
May 14, 2025Rainbow Trout56,280Washington fish & wildlife agency
May 7, 2025Rainbow Trout31,906Washington fish & wildlife agency
May 7, 2025Rainbow Trout18,096Washington fish & wildlife agency
March 4, 2025Brown Trout14,406Washington fish & wildlife agency
February 19, 2025Steelhead20,000Washington fish & wildlife agency
February 2, 2025Steelhead80,000Washington fish & wildlife agency
November 19, 2024Rainbow Trout4,238Washington fish & wildlife agency
November 18, 2024Rainbow Trout12,447Washington fish & wildlife agency
October 16, 2024Rainbow Trout13,500Washington fish & wildlife agency
October 14, 2024Rainbow Trout10,561Washington fish & wildlife agency
October 14, 2024Rainbow Trout3,720Washington fish & wildlife agency
October 10, 2024Rainbow Trout12,200Washington fish & wildlife agency
October 10, 2024Rainbow Trout11,978Washington fish & wildlife agency
October 10, 2024Rainbow Trout8,724Washington fish & wildlife agency
October 10, 2024Rainbow Trout3,726Washington fish & wildlife agency
October 10, 2024Rainbow Trout7,812Washington fish & wildlife agency
October 10, 2024Steelhead29,784Washington fish & wildlife agency
October 8, 2024Rainbow Trout15,240Washington fish & wildlife agency
October 8, 2024Rainbow Trout8,140Washington fish & wildlife agency
October 8, 2024Brown Trout7,310Washington fish & wildlife agency
June 11, 2024Rainbow Trout76,000Washington fish & wildlife agency
June 10, 2024Rainbow Trout28,600Washington fish & wildlife agency
June 5, 2024Rainbow Trout70,096Washington fish & wildlife agency
May 30, 2024Rainbow Trout42,500Washington fish & wildlife agency
May 28, 2024Rainbow Trout72,360Washington fish & wildlife agency
April 15, 2024Rainbow Trout4,385Washington fish & wildlife agency
April 12, 2024Rainbow Trout421Washington fish & wildlife agency
March 26, 2024Rainbow Trout100Washington fish & wildlife agency

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

Showing 50 of 433 stocking records.

Frequently asked

When was Rock Lake last stocked?

According to Washington fish & wildlife agency, Rock Lake was last stocked May 13, 2026 with Rainbow Trout.

What fish species are stocked in Rock Lake?

Rock Lake is stocked with Rainbow Trout, Brown Trout, and Steelhead.

What time of year is Rock Lake stocked?

Rock Lake is typically stocked in fall, most often in October.

How often is Rock Lake stocked?

Rock Lake has been stocked about 14 times a year — 433 recorded stockings between 1995 and 2026.

How many fish have been stocked in Rock Lake?

About 8,985,561 fish have been stocked in Rock Lake across 433 recorded events since 1995, per Washington fish & wildlife agency.

Browse

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 →

Compiled by .