Harts Lake is a lake in Pierce County, Washington. Its water-quality measurements are published by Washington Ecology and shown on this page as reported.

How deep is Harts Lake?

Harts Lake has a maximum depth of 50 feet. The lake covers 112 acres.

Are there boat ramps on Harts Lake?

Harts Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Harts Lake. Public access is listed as yes.

Can I fish at Harts Lake?

Harts Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Washington's fish and wildlife agency, so check its current regulations before you go.

Harts Lake

Pierce County, Washington112 acresView map Directions

No nutrient or algae sampling on record from Washington Ecology for this lake.

Max depth

50 ft

Bathymetric survey

Area

112 acres

Surface area

Shoreline

1.6 mi

Measured length

Impaired · Nuisance exotic species
50 ft max depth
Public access

See the measurements Directions Where to stay

Harts Lake in Pierce County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Maximum depth: 50 ft. Surface area: 112 acres.

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Harts Lake is a 112-acre lake in Pierce County, Washington with a maximum depth of 50 feet. Limited fish-species data available. Public access is available with 1 public boat landing.

Source: EPA Water Quality Portal sampling records, WA Ecology. Methodology: how these readings are compared.

What Harts Lake is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp
Deep water50 ft surveyed max depth

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Harts Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nuisance exotic species, nutrients (phosphorus, nitrogen). Check local advisories before you swim.

Whether Harts Lake is safe to swim in today is a call for the Washington State Department of Ecology and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Harts Lake

These are the measurements Washington Ecology publishes for Harts Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

No clarity data. TSI undefined.

Ask about Harts Lake

Answers come straight from the public measurements and survey records on this page.

Lake Details

Max depth

50 ft

Surface area

112 acres

Shoreline

1.6 mi

Public access

Yes

Listed by Washington Ecology

Recreation & Access

Boat Landings

Yes

Public Access

Harts LakePublic

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

Stays via Stay22

Stays near Harts Lake

Compare lakeside cabins, hotels, and vacation rentals near Harts Lake in Pierce County, Washington — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

Top-rated places to stay near Harts Lake

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Fishing Harts Lake

→ Harts Lake fishing regulations (limits, seasons, special rules)

EPA Impairment Status

Harts Lake is officially listed as impaired under Clean Water Act §303(d) in the 2018 EPA reporting cycle (IR category 5).

Causes of impairment

Nuisance exotic speciesNutrients (phosphorus, nitrogen)

Designated uses not supporting: Aquatic life.

Source: EPA ATTAINS assessment unit WA17110015000513_001_001 · Official waterbody report

Nearby Lakes in Pierce County

Tule Lake1.9 miView →Kreger Lake3.9 miView →Silver Lake4.9 miView →Cranberry Lake5 miView →Rapjohn Lake—View →Lewis Lake—View →

Frequently asked questions about Harts Lake

Where is Harts Lake?: Harts Lake is a lake in Pierce County, Washington. Its water-quality measurements are published by Washington Ecology and shown on this page as reported.
What is the water quality of Harts Lake?: Harts Lake in Pierce County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Maximum depth: 50 ft. Surface area: 112 acres.
Is Harts Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Harts Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nuisance exotic species, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
How deep is Harts Lake?: Harts Lake has a maximum depth of 50 feet. The lake covers 112 acres.
Are there boat ramps on Harts Lake?: Harts Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Harts Lake. Public access is listed as yes.
Can I fish at Harts Lake?: Harts Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Washington's fish and wildlife agency, so check its current regulations before you go.