Where is Upper Twin Lake?

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

Upper Twin Lake

Shasta County, California41 acresView map Directions

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

Area

41 acres

Surface area

Shoreline

1.1 mi

Measured length

Limited data

See the measurements Directions Where to stay

Upper Twin Lake in Shasta County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 41 acres.

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Upper Twin Lake is a 41-acre lake in Shasta 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. Check local advisories before you swim.

Whether Upper Twin 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 Upper Twin Lake

These are the measurements SWRCB publishes for Upper Twin 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.

Ask about Upper Twin Lake

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

Lake Details

Surface area

41 acres

Shoreline

1.1 mi

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

Stays via Stay22

Stays near Upper Twin Lake

Compare lakeside cabins, hotels, and vacation rentals near Upper Twin Lake in Shasta 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 Upper Twin Lake

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Fishing Upper Twin Lake

→ Upper Twin Lake fishing regulations (limits, seasons, special rules)

Nearby Lakes in Shasta County

Lower Twin Lake0.6 miView →Horseshoe Lake—View →Lake Helen—View →Manzanita Lake—View →North Battle Creek Reservoir—View →Lake Eiler—View →

Frequently asked questions about Upper Twin Lake

Where is Upper Twin Lake?: Upper Twin Lake is a lake in Shasta County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Upper Twin Lake?: Upper Twin Lake in Shasta County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 41 acres.
Is Upper Twin Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.