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LakeQuality

Shongum Lake

Morris County, New Jersey70 acresView mapDirections

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

Area
70 acres
Surface area
Shoreline
1.9 mi
Measured length
  • Impaired · Impaired biota (cause unknown)

Shongum Lake in Morris County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Surface area: 70 acres.

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Shongum Lake is a 70-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. Shongum Lake is listed impaired under Clean Water Act §303(d) (IR 5) for impaired biota (cause unknown), metals (other than mercury). Check local advisories before you swim.

Whether Shongum 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 Shongum Lake

These are the measurements NJDEP publishes for Shongum 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.

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

Lake Details

Surface area

70 acres

Shoreline

1.9 mi

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

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Stays near Shongum Lake

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

EPA Impairment Status

Shongum 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)Metals (other than mercury)

Designated uses not supporting: Drinking water, Aquatic life.

Source: EPA ATTAINS assessment unit NJ02030103030120-01 · Official waterbody report

Nearby Lakes in Morris County

Frequently asked questions about Shongum Lake

Where is Shongum Lake?

Shongum 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 Shongum Lake?

Shongum Lake in Morris County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Surface area: 70 acres.

Measurements on this page ↑

Is Shongum Lake safe to swim in?

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

Swimming on this page ↑

Where this data comes from

Measurements for Shongum Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.

Other records on this page

Impairment status from EPA ATTAINS 303(d) database