Where is Hashamomuck Pond?

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

Hashamomuck Pond

Suffolk County, New York133 acresView map Directions

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

Area

133 acres

Surface area

Shoreline

3.5 mi

Measured length

Impaired · Pathogens (E. coli, fecal)

See the measurements Directions Where to stay

Hashamomuck Pond in Suffolk County, New York has water-quality measurements published by NY DEC, shown here as reported. Surface area: 133 acres.

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Hashamomuck Pond is a 133-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

Bacteria advisory

Nutrient and algae readings are not a swimming clearance. Hashamomuck Pond is listed impaired under Clean Water Act §303(d) (IR 5) for pathogens (E. coli, fecal). Check local advisories before you swim.

Whether Hashamomuck Pond 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 Hashamomuck Pond

These are the measurements NY DEC publishes for Hashamomuck Pond, 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 Hashamomuck Pond

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

Lake Details

Surface area

133 acres

Shoreline

3.5 mi

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

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Stays near Hashamomuck Pond

Compare lakeside cabins, hotels, and vacation rentals near Hashamomuck Pond 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.

Top-rated places to stay near Hashamomuck Pond

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Fishing Hashamomuck Pond

→ Hashamomuck Pond fishing regulations (limits, seasons, special rules)

EPA Impairment Status

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

Causes of impairment

Pathogens (E. coli, fecal)

Designated uses not supporting: Fish consumption.

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

Source: EPA ATTAINS assessment unit NY1701-0162 · Official waterbody report

Nearby Lakes in Suffolk County

Great Pond2.8 miView →Gardiners Creek3.2 miView →Fresh Pond6.5 ft clear4.1 miView →Marion Lake4.7 miView →Dam Pond5.3 miView →Scallop Pond10 miView →

Frequently asked questions about Hashamomuck Pond

Where is Hashamomuck Pond?: Hashamomuck Pond 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 Hashamomuck Pond?: Hashamomuck Pond in Suffolk County, New York has water-quality measurements published by NY DEC, shown here as reported. Surface area: 133 acres.
Is Hashamomuck Pond safe to swim in?: Nutrient and algae readings are not a swimming clearance. Hashamomuck Pond is listed impaired under Clean Water Act §303(d) (IR 5) for pathogens (E. coli, fecal). Check local advisories before you swim.