Tule Lake is a lake in Siskiyou County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.

Tule Lake

Siskiyou County, California32 acresView map Directions

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

Area

32 acres

Surface area

Shoreline

2 mi

Measured length

Impaired · Other cause

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Tule Lake in Siskiyou County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 32 acres.

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Tule Lake is a 32-acre lake in Siskiyou County, California.

Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Tule Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for other cause. Check local advisories before you swim.

Whether Tule Lake is safe to swim in today is a call for the California State Water Resources Control Board and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Tule Lake

These are the measurements SWRCB publishes for Tule 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 Tule Lake

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

Lake Details

Surface area

32 acres

Shoreline

2 mi

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

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Stays near Tule Lake

Compare lakeside cabins, hotels, and vacation rentals near Tule Lake in Siskiyou County, California — 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 Tule Lake

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Fishing Tule Lake

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

EPA Impairment Status

Tule Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).

Causes of impairment

Other cause

Designated uses not supporting: Aquatic life.

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

Source: EPA ATTAINS assessment unit CAL1059102020020130221305 · Official waterbody report

Nearby Lakes in Siskiyou County

Bonita Lake—View →Lower Klamath Lake12.2 miView →Souza Lake—View →Sheepy Lake—View →Red Rock Lakes—View →Medicine Lake—View →

Frequently asked questions about Tule Lake

Where is Tule Lake?: Tule Lake is a lake in Siskiyou County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Tule Lake?: Tule Lake in Siskiyou County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 32 acres.
Is Tule Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Tule Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for other cause. Check local advisories before you swim.