Where is Harbor Lake?

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

Harbor Lake

Los Angeles County, California34 acresView map Directions

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

Area

34 acres

Surface area

Impaired · Algal growth
Limited data

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Harbor Lake in Los Angeles County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 34 acres.

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Harbor Lake is a 34-acre lake in Los Angeles 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. Harbor Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for algal growth, pesticides. Check local advisories before you swim.

Whether Harbor 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 Harbor Lake

These are the measurements SWRCB publishes for Harbor 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 Harbor Lake

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

Lake Details

Surface area

34 acres

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

Stays via Stay22

Stays near Harbor Lake

Compare lakeside cabins, hotels, and vacation rentals near Harbor Lake in Los Angeles 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 Harbor Lake

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Fishing Harbor Lake

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

EPA Impairment Status

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

Causes of impairment

Algal growthPesticides

Designated uses not supporting: Aquatic life, Fish consumption.

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

Source: EPA ATTAINS assessment unit CAL4051200020000229084938 · Official waterbody report

Nearby Lakes in Los Angeles County

Silver Lake Reservoir21.6 miView →Garvey Reservoir20.9 miView →Hollywood Reservoir23.3 miView →Legg Lake21.8 miView →Stone Canyon Reservoir24.3 miView →Encino Reservoir27.8 miView →

Frequently asked questions about Harbor Lake

Where is Harbor Lake?: Harbor Lake is a lake in Los Angeles County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Harbor Lake?: Harbor Lake in Los Angeles County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 34 acres.
Is Harbor Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Harbor Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for algal growth, pesticides. Check local advisories before you swim.