Where is Agawan Lake?

Agawan Lake is a lake in Suffolk County, New York. Its water-quality measurements are published by NY DEC and shown on this page as reported.

Agawan Lake

Suffolk County, New York64 acresView map Directions

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

Area

64 acres

Surface area

Shoreline

2.1 mi

Measured length

Impaired · Nutrients (phosphorus, nitrogen)

See the measurements Directions Where to stay

Agawan Lake in Suffolk County, New York has water-quality measurements published by NY DEC, shown here as reported. Surface area: 64 acres.

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Agawan Lake is a 64-acre lake in Suffolk County, New York.

Source: EPA Water Quality Portal sampling records, NYSDEC. Methodology: how these readings are compared.

Swimming conditions

No reading

Recreation use not supported

Nutrient and algae readings are not a swimming clearance. Agawan Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen), oxygen depletion (low DO). Check local advisories before you swim.

Whether Agawan Lake is safe to swim in today is a call for the New York Department of Environmental Conservation and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Agawan Lake

These are the measurements NY DEC publishes for Agawan 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. TSI undefined.

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

Lake Details

Surface area

64 acres

Shoreline

2.1 mi

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

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Stays near Agawan Lake

Compare lakeside cabins, hotels, and vacation rentals near Agawan Lake in Suffolk County, New York — 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 Agawan Lake

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

EPA Impairment Status

Agawan Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).

Causes of impairment

Nutrients (phosphorus, nitrogen)Oxygen depletion (low DO)

Designated uses not supporting: Recreation.

Source: EPA ATTAINS assessment unit NY1701-0117 · Official waterbody report

Nearby Lakes in Suffolk County

Little Fresh Pond3.8 ft clear3.1 miView →Channel Pond2.7 miView →Mill Pond3.2 miView →Big Fresh Pond7.5 ft clear3.4 miView →Scallop Pond5 miView →Kellis Pond5.3 miView →

Frequently asked questions about Agawan Lake

Where is Agawan Lake?: Agawan Lake is a lake in Suffolk County, New York. Its water-quality measurements are published by NY DEC and shown on this page as reported.
What is the water quality of Agawan Lake?: Agawan Lake in Suffolk County, New York has water-quality measurements published by NY DEC, shown here as reported. Surface area: 64 acres.
Is Agawan Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Agawan Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen), oxygen depletion (low DO). Check local advisories before you swim.