Massapequa Lake
Nassau County, New York39 acresView mapDirections
No nutrient or algae sampling on record from NY DEC for this lake.
- Impaired · Oxygen depletion (low DO)
- 2 ft max depth
Massapequa Lake in Nassau County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 1.6 ft. Surface area: 39 acres.
Massapequa Lake is a 39-acre lake in Nassau County, New York with a maximum depth of 2 feet.
Source: EPA Water Quality Portal sampling records, NYSDEC. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Massapequa Lake is listed impaired under Clean Water Act §303(d) (IR 5) for oxygen depletion (low DO). Check local advisories before you swim.
Whether Massapequa 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.
Water quality measurements for Massapequa Lake
These are the measurements NY DEC publishes for Massapequa 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 Massapequa Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
1.6 ft
Surface area
39 acres
Shoreline
1.3 mi
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Fishing Massapequa Lake
EPA Impairment Status
Massapequa Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Aquatic life.
Source: EPA ATTAINS assessment unit NY1701-0156 · Official waterbody report
Nearby Lakes in Nassau County
Frequently asked questions about Massapequa Lake
Where is Massapequa Lake?
- Massapequa 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 Massapequa Lake?
- Massapequa Lake in Nassau County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 1.6 ft. Surface area: 39 acres.
Is Massapequa Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Massapequa Lake is listed impaired under Clean Water Act §303(d) (IR 5) for oxygen depletion (low DO). Check local advisories before you swim.
How deep is Massapequa Lake?
- Massapequa Lake has a maximum depth of 1.6 feet. The lake covers 39 acres.
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Where this data comes from
Measurements for Massapequa Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database