New Millpond
Suffolk County, New York105 acresView mapDirections
No nutrient or algae sampling on record from NY DEC for this lake.
- Impaired · Habitat alterations
- 6 ft max depth
New Millpond in Suffolk County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 6 ft. Surface area: 105 acres.
New Millpond is a 105-acre lake in Suffolk County, New York with a maximum depth of 6 feet (3-foot average).
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. New Millpond is listed impaired under Clean Water Act §303(d) (IR 4C) for habitat alterations. Check local advisories before you swim.
Whether New Millpond 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 New Millpond
These are the measurements NY DEC publishes for New Millpond, 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 New Millpond
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
6 ft
Average depth
3 ft
Surface area
105 acres
Shoreline
4.9 mi
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Fishing New Millpond
EPA Impairment Status
New Millpond is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4C).
Causes of impairment
Source: EPA ATTAINS assessment unit NY1702-0238 · Official waterbody report
Nearby Lakes in Suffolk County
Frequently asked questions about New Millpond
Where is New Millpond?
- New Millpond 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 New Millpond?
- New Millpond in Suffolk County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 6 ft. Surface area: 105 acres.
Is New Millpond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. New Millpond is listed impaired under Clean Water Act §303(d) (IR 4C) for habitat alterations. Check local advisories before you swim.
How deep is New Millpond?
- New Millpond has a maximum depth of 6 feet and an average depth of 3 feet. The lake covers 105 acres.
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Where this data comes from
Measurements for New Millpond 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