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

Are there boat ramps on Long Lake?

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

Can I fish at Long Lake?

Long 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.

Long Lake

Grant County, Washington73 acresView map Directions

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

Area

73 acres

Surface area

Shoreline

3.6 mi

Measured length

Impaired · Pesticides
Public access

See the measurements Directions Where to stay

Long Lake in Grant County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 73 acres.

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Long Lake is a 73-acre lake in Grant County, Washington. 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 Long 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. Long Lake is listed impaired under Clean Water Act §303(d) (IR 5) for pesticides. Check local advisories before you swim.

Whether Long 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 Long Lake

These are the measurements Washington Ecology publishes for Long 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 Long Lake

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

Lake Details

Surface area

73 acres

Shoreline

3.6 mi

Public access

Yes

Listed by Washington Ecology

No bathymetric survey has been published for Long Lake, so its depth is not documented here.

Recreation & Access

Boat Landings

Yes

Public Access

Long 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 Long Lake

Compare lakeside cabins, hotels, and vacation rentals near Long Lake in Grant 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 Long Lake

Prices for Oct 16–18, 4 adults. Change dates on the map below.

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Fishing Long Lake

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

EPA Impairment Status

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

Causes of impairment

Pesticides

Designated uses not supporting: Drinking water, Fish consumption.

Source: EPA ATTAINS assessment unit WA17020015001462_001_001 · Official waterbody report

Nearby Lakes in Grant County

Canal Lake0.9 miView →Pit Lakes1.2 miView →Hampton Lake1.1 miView →Windmill Lake1.3 miView →Soda Lake2.9 miView →Marsh Unit One3.5 miView →

Frequently asked questions about Long Lake

Where is Long Lake?: Long Lake is a lake in Grant County, Washington. Its water-quality measurements are published by Washington Ecology and shown on this page as reported.
What is the water quality of Long Lake?: Long Lake in Grant County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 73 acres.
Is Long Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Long Lake is listed impaired under Clean Water Act §303(d) (IR 5) for pesticides. Check local advisories before you swim.
Are there boat ramps on Long Lake?: Long Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Long Lake. Public access is listed as yes.
Can I fish at Long Lake?: Long 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.