When is Commonwealth Lake stocked next?

The agency has a stocking scheduled for Mar 8 to 12, 2027. Planned dates can shift with weather and water conditions.

How often is Commonwealth Lake stocked?

Across all years on record, most stockings come in March.

Is Commonwealth Lake stocked often?

The second most stocked of 3 waters in Washington County. Stocked about as often as a typical Oregon water on our record. We count each day the agency reported stocking it.

Commonwealth Lake trout stocking

Washington County, Oregon · lake · about 185 ft elevation

Commonwealth Lake has stockings planned from Mar 8, 2027. The agency's schedule lists 4 planned stockings. Most stockings come in March.

Last stocked

No record yet

Next planned

Mar 8, 2027

agency schedule

Last 12 months

0 stockings

On record

0 stockings

The second most stocked of 3 waters in Washington County.
Stocked about as often as a typical Oregon water on our record.

River conditions

Nearest USGS gage: FANNO CREEK AT 56TH AVE, AT PORTLAND, OR (6 km away, on a different stream or lake).

Flow: 1 cfs; much higher than usual for the last six weeks
Gage height: 8.48 ft

Streamflow, last six weeks (cfs), daily. Latest: 2 cfs on Nov 7.

Latest reading Nov 9, 2026, 8:35 AM UTC. USGS data are provisional. Gage page at USGS.

Weather at Commonwealth Lake

Overnight
43°F
Slight Chance Light Rain
17% rain · wind 0 mph
Friday
61°F
Mostly Cloudy then Chance Light Rain
48% rain · wind 1 to 5 mph
Friday Night
48°F
Light Rain Likely
71% rain · wind 2 mph
Saturday
64°F
Mostly Cloudy then Light Rain
92% rain · wind 0 to 6 mph
Saturday Night
49°F
Light Rain
97% rain · wind 3 to 12 mph
Sunday
58°F
Slight Chance Light Rain then Mostly Cloudy
23% rain · wind 3 mph

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

When is Commonwealth Lake stocked?

Most stockings come in March.

By month, all years

Stockings of Commonwealth Lake by month, all years on record. This month is shown in blue.

Stocking history

20270 stockings · 4 planned

Date	Species	Fish
Week of May 3Planned May 3 to May 7	Trout	2,244
Week of Apr 26Planned Apr 26 to Apr 30	Trout	800
Week of Mar 29Planned Mar 29 to Apr 2	Trout	500
Week of Mar 8Planned Mar 8 to Mar 12	Trout	500

From Oregon 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: Oregon fishing regulations.

Where is Commonwealth Lake?

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

Directions Larger map Oregon fishing regulations

Stocked waters near Commonwealth Lake

Haldeman Pondpond · 14 mi2 on record
Henry Hagg Lakelake · 20 mi18 on record
Phillips Reservoirlake · 21 mi1 on record
Dorman Pondpond · 22 mi4 on record

All stocked waters in Washington County Stocked this week in Oregon

Questions about Commonwealth Lake

When is Commonwealth Lake stocked next?: The agency has a stocking scheduled for Mar 8 to 12, 2027. Planned dates can shift with weather and water conditions.
How often is Commonwealth Lake stocked?: Across all years on record, most stockings come in March.
Is Commonwealth Lake stocked often?: The second most stocked of 3 waters in Washington County. Stocked about as often as a typical Oregon water on our record. We count each day the agency reported stocking it.