Greenfield Pond
St. Lawrence County, New York29 acresView mapDirections
No nutrient or algae sampling on record from NY DEC for this lake.
- 28 ft max depth
Greenfield Pond in St. Lawrence County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 27.9 ft. Surface area: 29 acres.
Greenfield Pond is a 29-acre lake in St. Lawrence County, New York with a maximum depth of 28 feet (10-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. Check local advisories before you swim.
Whether Greenfield 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.
Water quality measurements for Greenfield Pond
These are the measurements NY DEC publishes for Greenfield 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 Greenfield Pond
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
27.9 ft
Average depth
9.8 ft
Surface area
29 acres
Shoreline
1.4 mi
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Frequently asked questions about Greenfield Pond
Where is Greenfield Pond?
- Greenfield Pond is a lake in St. Lawrence 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 Greenfield Pond?
- Greenfield Pond in St. Lawrence County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 27.9 ft. Surface area: 29 acres.
Is Greenfield Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Greenfield Pond?
- Greenfield Pond has a maximum depth of 27.9 feet and an average depth of 9.8 feet. The lake covers 29 acres.
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Where this data comes from
Measurements for Greenfield Pond come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.