Where is Lake Shastina?

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

Lake Shastina

Siskiyou County, California675 acresView map Directions

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

Area

675 acres

Surface area

Impaired · Mercury
Limited data

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Lake Shastina in Siskiyou County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 675 acres.

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Lake Shastina is a 675-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

Limited data

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

Whether Lake Shastina 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 Lake Shastina

These are the measurements SWRCB publishes for Lake Shastina, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

No clarity data.

Ask about Lake Shastina

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

Lake Details

Surface area

675 acres

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

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Stays near Lake Shastina

Compare lakeside cabins, hotels, and vacation rentals near Lake Shastina 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 Lake Shastina

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Fishing Lake Shastina

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

EPA Impairment Status

Lake Shastina is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).

Causes of impairment

Mercury

Designated uses not supporting: Other.

Source: EPA ATTAINS assessment unit CAL1055007720020720134715 · Official waterbody report

Nearby Lakes in Siskiyou County

Big Lake5.8 miView →Barton Lake8.7 miView →Dwight Hammond Reservoir9.8 miView →Trout Lake12 miView →Steamboat Lake12.3 miView →Little Crater Lake13.5 miView →

Frequently asked questions about Lake Shastina

Where is Lake Shastina?: Lake Shastina 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 Lake Shastina?: Lake Shastina in Siskiyou County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 675 acres.
Is Lake Shastina safe to swim in?: Nutrient and algae readings are not a swimming clearance. Lake Shastina is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.