Where is Beaver Lake?

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

How deep is Beaver Lake?

Beaver Lake has a maximum depth of 7.5 feet. The lake covers 63 acres.

Beaver Lake

Nassau County, New York63 acresView map Directions

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

Max depth

7.5 ft

Bathymetric survey

Area

63 acres

Surface area

Shoreline

1.5 mi

Measured length

Impaired · Nutrients (phosphorus, nitrogen)
8 ft max depth

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Beaver Lake in Nassau County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 7.5 ft. Surface area: 63 acres.

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Beaver Lake is a 63-acre lake in Nassau County, New York with a maximum depth of 8 feet.

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. Beaver Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.

Whether Beaver 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 Beaver Lake

These are the measurements NY DEC publishes for Beaver 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.

Ask about Beaver Lake

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

Lake Details

Max depth

7.5 ft

Surface area

63 acres

Shoreline

1.5 mi

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Stays near Beaver Lake

Compare lakeside cabins, hotels, and vacation rentals near Beaver Lake in Nassau 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 Beaver Lake

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

EPA Impairment Status

Beaver 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)

Designated uses not supporting: Recreation.

Source: EPA ATTAINS assessment unit NY1702-0152 · Official waterbody report

Nearby Lakes in Nassau County

Dosoris Pond3.5 miView →Lake Success11.2 miView →Seaman Pond—View →Hempstead Lake—View →Massapequa Lake—View →Smith Pond—View →

Frequently asked questions about Beaver Lake

Where is Beaver Lake?: Beaver Lake is a lake in Nassau 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 Beaver Lake?: Beaver Lake in Nassau County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 7.5 ft. Surface area: 63 acres.
Is Beaver Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Beaver Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
How deep is Beaver Lake?: Beaver Lake has a maximum depth of 7.5 feet. The lake covers 63 acres.