Where is Lake Ewauna?

Lake Ewauna is a lake in Klamath County, Oregon. Its water-quality measurements are published by Oregon DEQ and shown on this page as reported.

Lake Ewauna

Klamath County, Oregon371 acresView map Directions

No nutrient or algae sampling on record from Oregon DEQ for this lake.

Area

371 acres

Surface area

Shoreline

4.3 mi

Measured length

Impaired · Algal growth

See the measurements Directions Where to stay

Lake Ewauna in Klamath County, Oregon has water-quality measurements published by Oregon DEQ, shown here as reported. Surface area: 371 acres.

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Lake Ewauna is a 371-acre lake in Klamath County, Oregon.

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

Swimming conditions

No reading

Recreation use not supported

Nutrient and algae readings are not a swimming clearance. Lake Ewauna is listed impaired under Clean Water Act §303(d) (IR 4A) for algal growth, ammonia, oxygen depletion (low DO), pH / acidity. Check local advisories before you swim.

Whether Lake Ewauna is safe to swim in today is a call for the Oregon Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Lake Ewauna

These are the measurements Oregon DEQ publishes for Lake Ewauna, 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 Lake Ewauna

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

Lake Details

Surface area

371 acres

Shoreline

4.3 mi

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

Stays via Stay22

Stays near Lake Ewauna

Compare lakeside cabins, hotels, and vacation rentals near Lake Ewauna in Klamath County, Oregon — 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 Lake Ewauna

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Fishing Lake Ewauna

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

EPA Impairment Status

Lake Ewauna is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).

Causes of impairment

Algal growthAmmoniaOxygen depletion (low DO)pH / acidity

Designated uses not supporting: Drinking water, Aquatic life, Fish consumption, Recreation, Other.

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit OR_LK_1801020412_88_100474 · Official waterbody report

Nearby Lakes in Klamath County

Fremont Bridge LakeHypereutrophic2.6 miView →Meadow Lake6.2 miView →Spring Lake8 miView →Lost River Pool6.9 miView →Whiteline Reservoir—View →Nuss Lake8.3 miView →

Frequently asked questions about Lake Ewauna

Where is Lake Ewauna?: Lake Ewauna is a lake in Klamath County, Oregon. Its water-quality measurements are published by Oregon DEQ and shown on this page as reported.
What is the water quality of Lake Ewauna?: Lake Ewauna in Klamath County, Oregon has water-quality measurements published by Oregon DEQ, shown here as reported. Surface area: 371 acres.
Is Lake Ewauna safe to swim in?: Nutrient and algae readings are not a swimming clearance. Lake Ewauna is listed impaired under Clean Water Act §303(d) (IR 4A) for algal growth, ammonia, oxygen depletion (low DO), pH / acidity. Check local advisories before you swim.