When was Harts Lake last stocked?

The latest reported stocking was Mar 31, 2026 (rainbow trout, 5,000 fish), according to Washington agency reports.

How often is Harts Lake stocked?

Stocked 4 times in 2025, mostly in April, usually on Tuesdays, about every 28 days. Across all years on record, most stockings come in March to April and October to November.

Is Harts Lake stocked often?

Number 8 of 43 stocked waters in Pierce County by stocking days. Stocked more often than 85% of Washington waters on our record. We count each day the agency reported stocking it.

What kind of trout are stocked in Harts Lake?

Rainbow trout (26 stockings, 56,535 fish).

Harts Lake trout stocking

Pierce County, Washington · lake · about 349 ft elevation

Harts Lake was last stocked 7 months ago (Mar 31, 2026). We have 26 stockings on record since Oct 14, 2016, 2 in the last 12 months (5,576 fish). Most stockings come in March to April and October to November. Species stocked: rainbow trout.

Last stocked

7 months ago

Mar 31, 2026

Next planned

Not announced

Last 12 months

2 stockings

5,576 fish

On record

26 stockings

since Oct 14, 2016

Number 8 of 43 stocked waters in Pierce County by stocking days.
Stocked more often than 85% of Washington waters on our record.

River conditions

Nearest USGS gage: CENTRALIA POWER CANAL NEAR MCKENNA, WA (2 km away, on a different stream or lake).

Flow: 24 cfs; much lower than usual for the last six weeks
Gage height: 8.66 ft

Streamflow, last six weeks (cfs), daily. Latest: 24 cfs on Nov 7.

Latest reading Nov 9, 2026, 9:00 AM UTC. USGS data are provisional. Gage page at USGS.

Weather at Harts Lake

This Afternoon
61°F
Light Rain Likely
63% rain · wind 5 mph
Tonight
45°F
Light Rain
92% rain · wind 5 to 10 mph
Thursday
59°F
Mostly Sunny
7% rain · wind 5 mph
Thursday Night
42°F
Mostly Cloudy then Chance Light Rain
48% rain · wind 3 mph
Friday
58°F
Light Rain
85% rain · wind 3 to 14 mph
Friday Night
47°F
Light Rain Likely
70% rain · wind 2 to 9 mph

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

When is Harts Lake stocked?

Most stockings come in March to April and October to November. Stocked 4 times in 2025, mostly in April, usually on Tuesdays, about every 28 days.

By month, all years

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

Year by year

	Mar	Apr	May	Oct	Nov
2026	1
2025	1	2			1
2024		2			1
2023	2				1
2022		1			1
2021		1			1
2020			2		1
2019	1			1

What is stocked

Species	Stockings	Fish	Fish per stocking
Rainbow trout	26	56,535	2,174

Stocking history

20261 stocking · 5,000 fish

Date	Species	Fish	Since previous	Hatchery
Mar 31Latest Tuesday	Rainbow trout	5,000 2,000 lb	18 weeks	Puyallup Hatchery

20254 stockings · 13,576 fish

Date	Species	Fish	Since previous	Hatchery
Nov 25 Tuesday	Rainbow trout	576 420 lb	230 days	Lakewood Hatchery
Apr 9 Wednesday	Rainbow trout	4,000 1,667 lb	1 day	Puyallup Hatchery
Apr 8 Tuesday	Rainbow trout	4,000 1,667 lb	4 weeks	Puyallup Hatchery
Mar 11 Tuesday	Rainbow trout	5,000 2,857 lb	15 weeks	Puyallup Hatchery

20243 stockings · 8,562 fish

Date	Species	Fish	Since previous	Hatchery
Nov 26 Tuesday	Rainbow trout	562 480 lb	31 weeks	Lakewood Hatchery
Apr 23 Tuesday	Rainbow trout	3,500 1,400 lb	13 days	Puyallup Hatchery
Apr 10 Wednesday	Rainbow trout	4,500 1,800 lb	141 days	Puyallup Hatchery

20233 stockings · 7,587 fish

Nov 21 rainbow trout, 1,092 fish
Mar 22 rainbow trout, 3,795 fish
Mar 21 rainbow trout, 2,700 fish

20222 stockings · 1,931 fish

Nov 18 rainbow trout, 581 fish
Apr 14 rainbow trout, 1,350 fish

20212 stockings · 6,724 fish

Nov 17 rainbow trout, 564 fish
Apr 12 rainbow trout, 6,160 fish

20203 stockings · 7,345 fish

Nov 16 rainbow trout, 558 fish
May 11 rainbow trout, 3,353 fish
May 4 rainbow trout, 3,434 fish

20192 stockings · 3,050 fish

Oct 16 rainbow trout, 550 fish
Mar 26 rainbow trout, 2,500 fish

20183 stockings · 1,346 fish

Oct 16 rainbow trout, 306 fish
Oct 9 rainbow trout, 350 fish
Apr 25 rainbow trout, 690 fish

20172 stockings · 989 fish

Oct 19 rainbow trout, 560 fish
Apr 7 rainbow trout, 429 fish

20161 stocking · 425 fish

Oct 14 rainbow trout, 425 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 Harts Lake?

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

Directions Larger map Washington fishing regulations

Stocked waters near Harts Lake

Clear Lakelake · 5 mistocked Apr 22, 2026
Silver Lakelake · 5 mistocked Apr 20, 2026
Lake Lawrencelake · 6 mistocked May 27, 2026
Rapjohn Lakelake · 6 mistocked May 26, 2026
Ohop Lakelake · 9 mistocked Mar 31, 2026
Clear Lakelake · 10 mistocked May 19, 2026
Tanwax Lakelake · 10 mistocked May 20, 2026
Lake Whitmanlake · 11 mistocked Mar 10, 2026

All stocked waters in Pierce County Stocked this week in Washington

Questions about Harts Lake

When was Harts Lake last stocked?: The latest reported stocking was Mar 31, 2026 (rainbow trout, 5,000 fish), according to Washington agency reports.
How often is Harts Lake stocked?: Stocked 4 times in 2025, mostly in April, usually on Tuesdays, about every 28 days. Across all years on record, most stockings come in March to April and October to November.
Is Harts Lake stocked often?: Number 8 of 43 stocked waters in Pierce County by stocking days. Stocked more often than 85% of Washington waters on our record. We count each day the agency reported stocking it.
What kind of trout are stocked in Harts Lake?: Rainbow trout (26 stockings, 56,535 fish).