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

How deep is Round Pond?

Round Pond has a maximum depth of 26.2 feet and an average depth of 13.1 feet. The lake covers 45 acres.

Round Pond

Lewis County, New York45 acresView map Directions

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

Max depth

26.2 ft

Bathymetric survey

Area

45 acres

Surface area

Shoreline

1.4 mi

Measured length

Impaired · Mercury
26 ft max depth

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Round Pond in Lewis County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 26.2 ft. Surface area: 45 acres.

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Round Pond is a 45-acre lake in Lewis County, New York with a maximum depth of 26 feet (13-foot average).

Source: EPA Water Quality Portal sampling records, NYSDEC. Methodology: how these readings are compared.

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Round Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.

Whether Round 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 Round Pond

These are the measurements NY DEC publishes for Round 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 Round Pond

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

Lake Details

Max depth

26.2 ft

Average depth

13.1 ft

Surface area

45 acres

Shoreline

1.4 mi

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Stays near Round Pond

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Fishing Round Pond

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

EPA Impairment Status

Round Pond is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).

Causes of impairment

Mercury

Designated uses not supporting: Aquatic life.

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

Source: EPA ATTAINS assessment unit NY0905-0058 · Official waterbody report

Nearby Lakes in Lewis County

Long Pond0.3 miView →Trout Lake1 miView →Mud Pond1.6 miView →Sand Pond3 miView →Soft Maple Reservoir4.7 miView →Crooked Lake5 miView →

Frequently asked questions about Round Pond

Where is Round Pond?: Round Pond is a lake in Lewis 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 Round Pond?: Round Pond in Lewis County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 26.2 ft. Surface area: 45 acres.
Is Round Pond safe to swim in?: Nutrient and algae readings are not a swimming clearance. Round Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
How deep is Round Pond?: Round Pond has a maximum depth of 26.2 feet and an average depth of 13.1 feet. The lake covers 45 acres.