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LakeQuality

Powell Slough

Colusa County, California27 acresView mapDirections

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

Area
27 acres
Surface area
Shoreline
1.8 mi
Measured length

Powell Slough in Colusa County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 27 acres.

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Powell Slough is a 27-acre lake in Colusa 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. Check local advisories before you swim.

Whether Powell Slough 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 Powell Slough

These are the measurements SWRCB publishes for Powell Slough, 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.

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

Lake Details

Surface area

27 acres

Shoreline

1.8 mi

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

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Stays near Powell Slough

Compare lakeside cabins, hotels, and vacation rentals near Powell Slough in Colusa 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.

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Fishing Powell Slough

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Frequently asked questions about Powell Slough

Where is Powell Slough?

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

What is the water quality of Powell Slough?

Powell Slough in Colusa County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 27 acres.

Measurements on this page ↑

Is Powell Slough safe to swim in?

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

Swimming on this page ↑

Where this data comes from

Measurements for Powell Slough come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.