Where is Seventh Lake?

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

How deep is Seventh Lake?

Seventh Lake has a maximum depth of 85.3 feet and an average depth of 38.7 feet. The lake covers 951 acres.

Are there boat ramps on Seventh Lake?

Seventh Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Seventh Lake. Public access is listed as yes.

Can I fish at Seventh Lake?

Seventh Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by New York's fish and wildlife agency, so check its current regulations before you go.

Seventh Lake

Hamilton County, New York951 acresView map Directions

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

Max depth

85.3 ft

Bathymetric survey

Area

951 acres

Surface area

Shoreline

14.2 mi

Measured length

Impaired · Metals (other than mercury)
85 ft max depth
Public access

See the measurements Directions Where to stay

Seventh Lake in Hamilton County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 85.3 ft. Surface area: 951 acres.

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Seventh Lake is a 951-acre lake in Hamilton County, New York with a maximum depth of 85 feet (39-foot average). Limited fish-species data available. Public access is available with 1 public boat landing.

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

What Seventh Lake is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp
Deep water85.3 ft surveyed max depth

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Seventh Lake is listed impaired under Clean Water Act §303(d) (IR 5) for metals (other than mercury). Check local advisories before you swim.

Whether Seventh 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.

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Water quality measurements for Seventh Lake

These are the measurements NY DEC publishes for Seventh 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 Seventh Lake

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

Lake Details

Max depth

85.3 ft

Average depth

38.7 ft

Surface area

951 acres

Shoreline

14.2 mi

Public access

Yes

Listed by NY DEC

Recreation & Access

Boat Landings

Yes

Public Access

Seventh LakePublic

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

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Stays near Seventh Lake

Compare lakeside cabins, hotels, and vacation rentals near Seventh Lake in Hamilton 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.

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Fishing Seventh Lake

→ Seventh Lake fishing regulations (limits, seasons, special rules)

EPA Impairment Status

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

Causes of impairment

Metals (other than mercury)

Designated uses not supporting: Drinking water.

Source: EPA ATTAINS assessment unit NY0801-0376 · Official waterbody report

Nearby Lakes in Hamilton County

Bug Lake1.2 miView →Eighth Lake2.5 miView →Bear Pond3.3 miView →Upper Pond3.6 miView →Lower Pond4.3 miView →Shallow Lake—View →

Frequently asked questions about Seventh Lake

Where is Seventh Lake?: Seventh Lake is a lake in Hamilton 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 Seventh Lake?: Seventh Lake in Hamilton County, New York has water-quality measurements published by NY DEC, shown here as reported. Maximum depth: 85.3 ft. Surface area: 951 acres.
Is Seventh Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Seventh Lake is listed impaired under Clean Water Act §303(d) (IR 5) for metals (other than mercury). Check local advisories before you swim.
How deep is Seventh Lake?: Seventh Lake has a maximum depth of 85.3 feet and an average depth of 38.7 feet. The lake covers 951 acres.
Are there boat ramps on Seventh Lake?: Seventh Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Seventh Lake. Public access is listed as yes.
Can I fish at Seventh Lake?: Seventh Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by New York's fish and wildlife agency, so check its current regulations before you go.