Where is Barrett Lake?

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

Barrett Lake

San Diego County, California612 acresView map Directions

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

Area

612 acres

Surface area

Shoreline

16.2 mi

Measured length

Impaired · Metals (other than mercury)
Limited data

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Barrett Lake in San Diego County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 612 acres.

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Barrett Lake is a 612-acre lake in San Diego 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. Barrett Lake is listed impaired under Clean Water Act §303(d) (IR 5) for metals (other than mercury), nutrients (phosphorus, nitrogen), pH / acidity, taste, color, odor, toxic inorganics. Check local advisories before you swim.

Whether Barrett 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 Barrett Lake

These are the measurements SWRCB publishes for Barrett 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 Barrett Lake

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

Lake Details

Surface area

612 acres

Shoreline

16.2 mi

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

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Stays near Barrett Lake

Compare lakeside cabins, hotels, and vacation rentals near Barrett Lake in San Diego 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 Barrett Lake

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

EPA Impairment Status

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

Causes of impairment

Metals (other than mercury)Nutrients (phosphorus, nitrogen)pH / acidityTaste, color, odorToxic inorganics

Designated uses not supporting: Drinking water, Aquatic life.

Source: EPA ATTAINS assessment unit CAL9113000019980803101540 · Official waterbody report

Nearby Lakes in San Diego County

Palo Verde Lake8.6 miView →Loveland Reservoir8.2 miView →Morena Reservoir8.8 miView →El Capitan Lake15.6 miView →Lower Otay Lake14.7 miView →Upper Otay Lake15.4 miView →

Frequently asked questions about Barrett Lake

Where is Barrett Lake?: Barrett Lake is a lake in San Diego County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Barrett Lake?: Barrett Lake in San Diego County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 612 acres.
Is Barrett Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Barrett Lake is listed impaired under Clean Water Act §303(d) (IR 5) for metals (other than mercury), nutrients (phosphorus, nitrogen), pH / acidity, taste, color, odor, toxic inorganics. Check local advisories before you swim.