Cozy Lake is a lake in Morris County, New Jersey. Its water-quality measurements are published by NJDEP and shown on this page as reported.

Cozy Lake

Morris County, New Jersey27 acresView map Directions

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

Area

27 acres

Surface area

Shoreline

1.3 mi

Measured length

Impaired · Mercury

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Cozy Lake in Morris County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Surface area: 27 acres.

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Cozy Lake is a 27-acre lake in Morris County, New Jersey.

Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.

Swimming conditions

No reading

Not rated

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

Whether Cozy Lake is safe to swim in today is a call for the New Jersey Department of Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Cozy Lake

These are the measurements NJDEP publishes for Cozy 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 Cozy Lake

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

Lake Details

Surface area

27 acres

Shoreline

1.3 mi

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

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Stays near Cozy Lake

Compare lakeside cabins, hotels, and vacation rentals near Cozy Lake in Morris County, New Jersey — 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 Cozy Lake

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

EPA Impairment Status

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

Causes of impairment

MercuryMetals (other than mercury)pH / aciditySalinity / chlorides

Designated uses not supporting: Drinking water, Aquatic life, Fish consumption.

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

Source: EPA ATTAINS assessment unit NJ02030103030030-01 · Official waterbody report

Nearby Lakes in Morris County

Green Pond0.8 miView →Lake Swannanoa1 miView →Oak Ridge Lake1.4 miView →Oak Ridge Reservoir2.9 miView →Longwood Lake2.8 miView →Lake Denmark3.2 miView →

Frequently asked questions about Cozy Lake

Where is Cozy Lake?: Cozy Lake is a lake in Morris County, New Jersey. Its water-quality measurements are published by NJDEP and shown on this page as reported.
What is the water quality of Cozy Lake?: Cozy Lake in Morris County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Surface area: 27 acres.
Is Cozy Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Cozy Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, metals (other than mercury), pH / acidity, salinity / chlorides. Check local advisories before you swim.