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Windmill Lake trout stocking

Grant County, Washington · lake · about 988 ft elevation

Windmill Lake was last stocked 6 months ago (Apr 27, 2026). We have 15 stockings on record since May 9, 2017, 1 in the last 12 months (9,000 fish). Most stockings come in May. Species stocked: rainbow trout.

Last stocked
6 months ago
Apr 27, 2026
Next planned
Not announced
Last 12 months
1 stocking
9,000 fish
On record
15 stockings
since May 9, 2017
  • Number 15 of 87 stocked waters in Grant County by stocking days.
  • Stocked more often than 75% of Washington waters on our record.

Weather at Windmill Lake

  • Today
    58°F
    Partly Sunny
    1% rain · wind 5 mph
  • Tonight
    42°F
    Mostly Cloudy
    5% rain · wind 2 to 12 mph
  • Sunday
    59°F
    Mostly Cloudy
    5% rain · wind 6 to 16 mph
  • Sunday Night
    37°F
    Mostly Cloudy
    14% rain · wind 5 mph
  • Monday
    52°F
    Light Rain Likely
    63% rain · wind 3 mph
  • Monday Night
    39°F
    Light Rain Likely
    63% rain · wind 5 mph

Forecast from the National Weather Service for this location, refreshed hourly.

When is Windmill Lake stocked?

Most stockings come in May. Stocked 3 times in 2021, about every 149 days.

By month, all years

JanFebMar: 1 stocking1MarApr: 3 stockings3AprMay: 7 stockings7MayJunJulAugSep: 1 stocking1SepOct: 3 stockings3OctNovDec
Stockings of Windmill Lake by month, all years on record. This month is shown in blue.

Year by year

JanFebMarAprMayJunJulAugSepOctNovDec
20261
20251
20241
20231
20221
2021111
202011
201911

What is stocked

SpeciesStockingsFishFish per stocking
Rainbow trout15114,6237,642

Stocking history

20261 stocking · 9,000 fish
DateSpeciesFishSince previousHatchery
Apr 27Latest
Monday
Rainbow trout
9,000
82 lb
361 daysColumbia Basin Hatchery
20251 stocking · 9,000 fish
DateSpeciesFishSince previousHatchery
May 1
Thursday
Rainbow trout
9,000
92 lb
366 daysColumbia Basin Hatchery
20241 stocking · 9,000 fish
DateSpeciesFishSince previousHatchery
Apr 30
Tuesday
Rainbow trout
9,000
92 lb
398 daysColumbia Basin Hatchery
20231 stocking · 12,892 fish
  • Mar 29 rainbow trout, 12,892 fish
20221 stocking · 11,100 fish
  • May 10 rainbow trout, 11,100 fish
20213 stockings · 14,105 fish
  • Sep 29 rainbow trout, 1,505 fish
  • May 3 rainbow trout, 11,100 fish
  • Apr 2 rainbow trout, 1,500 fish
20202 stockings · 12,615 fish
  • Oct 20 rainbow trout, 1,515 fish
  • May 14 rainbow trout, 11,100 fish
20192 stockings · 12,720 fish
  • Oct 10 rainbow trout, 1,582 fish
  • May 2 rainbow trout, 11,138 fish
20182 stockings · 13,071 fish
  • Oct 3 rainbow trout, 1,808 fish
  • May 9 rainbow trout, 11,263 fish
20171 stocking · 11,120 fish
  • May 9 rainbow trout, 11,120 fish

From Washington fish and wildlife agency reports, collected nightly and kept after the agency takes them down. Agencies revise reports; check the agency's report before you go. Seasons and limits: Washington fishing regulations.

Where is Windmill Lake?

Grant County, Washington. Approximate: the marker is the USGS place-name point for this water, not an agency location.

DirectionsLarger mapWashington fishing regulations

Stocked waters near Windmill Lake

All stocked waters in Grant CountyStocked this week in Washington

Questions about Windmill Lake

When was Windmill Lake last stocked?
The latest reported stocking was Apr 27, 2026 (rainbow trout, 9,000 fish), according to Washington agency reports.
How often is Windmill Lake stocked?
Stocked 3 times in 2021, about every 149 days. Across all years on record, most stockings come in May.
Is Windmill Lake stocked often?
Number 15 of 87 stocked waters in Grant County by stocking days. Stocked more often than 75% of Washington waters on our record. We count each day the agency reported stocking it.
What kind of trout are stocked in Windmill Lake?
Rainbow trout (15 stockings, 114,623 fish).