Where is Highland Lake?

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

Highland Lake

Sussex County, New Jersey328 acresView map Directions

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

Area

328 acres

Surface area

Shoreline

5.8 mi

Measured length

Impaired · Mercury

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Highland Lake in Sussex County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Surface area: 328 acres.

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Highland Lake is a 328-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. Highland Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.

Whether Highland 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 Highland Lake

These are the measurements NJDEP publishes for Highland 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 Highland Lake

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

Lake Details

Surface area

328 acres

Shoreline

5.8 mi

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

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Stays near Highland Lake

Compare lakeside cabins, hotels, and vacation rentals near Highland 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.

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Fishing Highland Lake

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

EPA Impairment Status

Highland Lake 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: Fish consumption.

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

Source: EPA ATTAINS assessment unit NJ02020007040040-01 · Official waterbody report

Nearby Lakes in Sussex County

Lake Wanda1.1 miView →Wawayanda Lake1.8 miView →Barry Lakes2.6 miView →Canistear Reservoir3.4 miView →Great Gorge Lake12.3 ft clear · Mesotrophic3.1 miView →Lake Wildwood3.2 miView →

Frequently asked questions about Highland Lake

Where is Highland Lake?: Highland 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 Highland Lake?: Highland Lake in Sussex County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Surface area: 328 acres.
Is Highland Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Highland Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.