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

Union Lake

Cumberland County, New Jersey865 acresView map Directions

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

Area

865 acres

Surface area

Shoreline

10.5 mi

Measured length

Impaired · Impaired biota (cause unknown)

See the measurements Directions Where to stay

Union Lake in Cumberland County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Surface area: 865 acres.

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Union Lake is a 865-acre lake in Cumberland County, New Jersey.

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

Swimming conditions

No reading

Bacteria advisory

Nutrient and algae readings are not a swimming clearance. Union Lake is listed impaired under Clean Water Act §303(d) (IR 5) for impaired biota (cause unknown), mercury, metals (other than mercury), pathogens (E. coli, fecal), pCBs. Check local advisories before you swim.

Whether Union 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 Union Lake

These are the measurements NJDEP publishes for Union 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 Union Lake

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

Lake Details

Surface area

865 acres

Shoreline

10.5 mi

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

Stays via Stay22

Stays near Union Lake

Compare lakeside cabins, hotels, and vacation rentals near Union Lake in Cumberland 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 Union Lake

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Fishing Union Lake

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

EPA Impairment Status

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

Causes of impairment

Impaired biota (cause unknown)MercuryMetals (other than mercury)Pathogens (E. coli, fecal)PCBs

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

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

Source: EPA ATTAINS assessment unit NJ02040206160030-01 · Official waterbody report

Nearby Lakes in Cumberland County

Beaver Lake5.8 miView →Laurel Lake6.2 miView →Cumberland Pond7.1 miView →Macrie Pond3.1 ft clear—View →Clarks Pond7.7 miView →Sunset Lake1.5 ft clear · Hypereutrophic—View →

Frequently asked questions about Union Lake

Where is Union Lake?: Union Lake is a lake in Cumberland County, New Jersey. Its water-quality measurements are published by NJDEP and shown on this page as reported.
What is the water quality of Union Lake?: Union Lake in Cumberland County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Surface area: 865 acres.
Is Union Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Union Lake is listed impaired under Clean Water Act §303(d) (IR 5) for impaired biota (cause unknown), mercury, metals (other than mercury), pathogens (E. coli, fecal), pCBs. Check local advisories before you swim.