Where is Pattison Lake?

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

How deep is Pattison Lake?

Pattison Lake has a maximum depth of 20 feet. The lake covers 255 acres.

Are there boat ramps on Pattison Lake?

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

Can I fish at Pattison Lake?

Pattison 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.

Pattison Lake

Thurston County, Washington255 acresView map Directions

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

Max depth

20 ft

Bathymetric survey

Area

255 acres

Surface area

Shoreline

4.4 mi

Measured length

Impaired · Nutrients (phosphorus, nitrogen)
20 ft max depth
Public access

See the measurements Directions Where to stay

Pattison Lake in Thurston County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Maximum depth: 20 ft. Surface area: 255 acres.

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Pattison Lake is a 255-acre lake in Thurston County, Washington with a maximum depth of 20 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 Pattison Lake is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp

Swimming conditions

No reading

Not rated

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

Whether Pattison 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 Pattison Lake

These are the measurements Washington Ecology publishes for Pattison 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 Pattison Lake

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

Lake Details

Max depth

20 ft

Surface area

255 acres

Shoreline

4.4 mi

Public access

Yes

Listed by Washington Ecology

Recreation & Access

Boat Landings

Yes

Public Access

Pattison LakePublic

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

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Stays near Pattison Lake

Compare lakeside cabins, hotels, and vacation rentals near Pattison Lake in Thurston 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 Pattison Lake

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Fishing Pattison Lake

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

EPA Impairment Status

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

Causes of impairment

Nutrients (phosphorus, nitrogen)

Designated uses not supporting: Aquatic life.

Source: EPA ATTAINS assessment unit WA17110019001258_001_001 · Official waterbody report

Nearby Lakes in Thurston County

LakeEutrophic0.1 miView →LakeEutrophic1.3 miView →LakeMesotrophic2.1 miView →LakeMesotrophic2.5 miView →LakeMesotrophic3.1 miView →Chambers Lake3.5 miView →

Frequently asked questions about Pattison Lake

Where is Pattison Lake?: Pattison Lake is a lake in Thurston County, Washington. Its water-quality measurements are published by Washington Ecology and shown on this page as reported.
What is the water quality of Pattison Lake?: Pattison Lake in Thurston County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Maximum depth: 20 ft. Surface area: 255 acres.
Is Pattison Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Pattison Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
How deep is Pattison Lake?: Pattison Lake has a maximum depth of 20 feet. The lake covers 255 acres.
Are there boat ramps on Pattison Lake?: Pattison Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Pattison Lake. Public access is listed as yes.
Can I fish at Pattison Lake?: Pattison 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.