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Rainbow stocking
Lowland lake · Grant County · 14,281.5 acres · 1,042 ft
250 rainbows on May 29
4 months agoColumbia Basin Hatchery
Average size
Catchables
0.4 lb
Nothing new since May 29. WDFW usually plants here in October.
2026 so far
71,250
56% of a normal year
Normal year
127,951
average of 11 seasons
Typical size
Fry
under 0.1 lb each
Stocking season
Mar, May, Oct
when the truck comes
This year against a 11-season average
2026normal
Recent plants
| Date | Species | Number | Size | Fish/lb |
|---|---|---|---|---|
| May 29 | Rainbow | 250 | Catchables · 0.4 lb each | 2.5 |
| Mar 3 | Rainbow | 71,000 | Fry · under 0.1 lb each | 118 |
| Oct 22 | Rainbow | 14,706 | Catchables · 0.15 lb each | 6.7 |
| Jun 6 | Rainbow | 250 | Catchables · 0.4 lb each | 2.5 |
| Mar 10 | Rainbow | 69,800 | Fry · under 0.1 lb each | 94 |
| Apr 18 | Rainbow | 69,947 | Fry · under 0.1 lb each | 100 |
| Mar 20 | Rainbow | 31,275 | Fry · under 0.1 lb each | 88 |
| Oct 31 | Rainbow | 5,059 | Fingerlings · 0.12 lb each | 8.2 |
42 rainbow releases on record since 2015 · from WDFW's fish plants data, as published.
This lake on WDFWWDFW fishing prospects calendar
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rainbow Trout | ||||||||||||
| Channel Catfish | ||||||||||||
| Crappie | ||||||||||||
| Bass | ||||||||||||
| Bluegill | ||||||||||||
| Walleye | ||||||||||||
| Yellow Perch | ||||||||||||
| Lake Whitefish |
quiet → best this month
WDFW rates rainbow trout best in April through June.
WDFW draws one calendar per species for the whole state, so it shows the season's shape rather than this lake's own record. Check the rules for when each species is open here. This lake on WDFW
be the first to say how Potholes Reservoir fished
No catch reports yet for this water.
Currently
59°
Partly cloudyfeels like 54°
Tue
Favorable
66° 48°
wind 10 kt · 8% rain
Wed
Favorable
79° 51°
wind 10 kt · 2% rain
Thu
Favorable
84° 54°
wind 12 kt · 3% rain
Fri
Favorable
82° 60°
wind 8 kt · 2% rain
Sat
Favorable
83° 59°
wind 6 kt · 0% rain
Sun
Favorable
85° 60°
wind 5 kt · 0% rain
Mon
Favorable
83° 58°
wind 9 kt · 0% rain
The current regulation for Potholes Reservoir could not be confidently verified from a structured source, so this dashboard won't guess. Check the official WDFW sport fishing rules before fishing.
rules are shown exactly as published and cover every species at this location — they can change at any time, so always confirm with WDFW before fishingWant to know the best time to fish for rainbow trout this week at Potholes Reservoir?
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Wind now
11mph
N · gusting 14
Gusts · 12h
15mph
holding or building
wind mph gusts