Where is Johnson Lake?

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

Johnson Lake

Sussex County, New Jersey37 acresView map Directions

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

Area

37 acres

Surface area

Shoreline

1.8 mi

Measured length

Impaired · Mercury

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Johnson Lake in Sussex County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Surface area: 37 acres.

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Johnson Lake is a 37-acre lake in Sussex 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. Johnson Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, pCBs, temperature. Check local advisories before you swim.

Whether Johnson 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 Johnson Lake

These are the measurements NJDEP publishes for Johnson 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 Johnson Lake

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

Lake Details

Surface area

37 acres

Shoreline

1.8 mi

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

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Stays near Johnson Lake

Compare lakeside cabins, hotels, and vacation rentals near Johnson Lake in Sussex 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.

Top-rated places to stay near Johnson Lake

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Fishing Johnson Lake

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

EPA Impairment Status

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

Causes of impairment

MercuryPCBsTemperature

Designated uses not supporting: Aquatic life, Fish consumption.

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

Source: EPA ATTAINS assessment unit NJ02040105150060-01 · Official waterbody report

Nearby Lakes in Sussex County

Forest Lake0.7 miView →Cub Lake0.6 miView →Wright Pond1.1 miView →Cranberry Lake8.2 ft clear · Eutrophic1.4 miView →Wolf Lake1.3 miView →Lake Lackawanna1.6 miView →

Frequently asked questions about Johnson Lake

Where is Johnson Lake?: Johnson Lake is a lake in Sussex County, New Jersey. Its water-quality measurements are published by NJDEP and shown on this page as reported.
What is the water quality of Johnson Lake?: Johnson Lake in Sussex County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Surface area: 37 acres.
Is Johnson Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Johnson Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, pCBs, temperature. Check local advisories before you swim.