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

Louis Lake

Okanogan County, Washington29 acresView map Directions

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

Area

29 acres

Surface area

Shoreline

1 mi

Measured length

See the measurements Directions Where to stay

Louis Lake in Okanogan County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 29 acres.

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Louis Lake is a 29-acre lake in Okanogan County, Washington.

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

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Louis 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 Louis Lake

These are the measurements Washington Ecology publishes for Louis 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 Louis Lake

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

Lake Details

Surface area

29 acres

Shoreline

1 mi

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

Stays via Stay22

Stays near Louis Lake

Compare lakeside cabins, hotels, and vacation rentals near Louis Lake in Okanogan 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 Louis Lake

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Fishing Louis Lake

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

Nearby Lakes in Okanogan County

Patterson Lake15.5 miView →Moccasin Lake17 miView →Big Twin Lake17.6 miView →Pearrygin Lake—View →Davis Lake—View →Big Hidden Lake—View →

Frequently asked questions about Louis Lake

Where is Louis Lake?: Louis Lake is a lake in Okanogan County, Washington. Its water-quality measurements are published by Washington Ecology and shown on this page as reported.
What is the water quality of Louis Lake?: Louis Lake in Okanogan County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 29 acres.
Is Louis Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.