Where is Wallkill Lake?

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

Wallkill Lake

Sussex County, New Jersey28 acresView map Directions

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

Area

28 acres

Surface area

Shoreline

0.9 mi

Measured length

Impaired · Metals (other than mercury)

See the measurements Directions Where to stay

Wallkill Lake in Sussex County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Surface area: 28 acres.

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Wallkill Lake is a 28-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

Bacteria advisory

Nutrient and algae readings are not a swimming clearance. Wallkill Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for metals (other than mercury), pathogens (E. coli, fecal). Check local advisories before you swim.

Whether Wallkill 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 Wallkill Lake

These are the measurements NJDEP publishes for Wallkill 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 Wallkill Lake

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

Lake Details

Surface area

28 acres

Shoreline

0.9 mi

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

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Stays near Wallkill Lake

Compare lakeside cabins, hotels, and vacation rentals near Wallkill 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 Wallkill Lake

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

EPA Impairment Status

Wallkill Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).

Causes of impairment

Metals (other than mercury)Pathogens (E. coli, fecal)

Designated uses not supporting: Drinking water, Recreation.

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

Source: EPA ATTAINS assessment unit NJ02020007030030-01 · Official waterbody report

Nearby Lakes in Sussex County

Glenwood Lake1.1 miView →Lake Pochung2.3 miView →Vernon Valley Lake2.6 miView →Pleasant Valley Lake4 miView →Great Gorge Lake12.3 ft clear · Mesotrophic5.3 miView →Clove Acres Lake4.3 miView →

Frequently asked questions about Wallkill Lake

Where is Wallkill Lake?: Wallkill 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 Wallkill Lake?: Wallkill Lake in Sussex County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Surface area: 28 acres.
Is Wallkill Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Wallkill Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for metals (other than mercury), pathogens (E. coli, fecal). Check local advisories before you swim.