Swartswood Lake
Sussex County, New Jersey521 acresView mapDirections
No nutrient or algae sampling on record from NJDEP for this lake.
- Impaired · Mercury
Swartswood Lake in Sussex County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Surface area: 521 acres.
Swartswood Lake is a 521-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 readingNot rated
Nutrient and algae readings are not a swimming clearance. Swartswood Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, metals (other than mercury), nutrients (phosphorus, nitrogen), pH / acidity, pCBs, temperature. Check local advisories before you swim.
Whether Swartswood 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.
Water quality measurements for Swartswood Lake
These are the measurements NJDEP publishes for Swartswood 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 Swartswood Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
521 acres
Shoreline
7 mi
No bathymetric survey has been published for Swartswood Lake, so its depth is not documented here.
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Fishing Swartswood Lake
EPA Impairment Status
Swartswood Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Drinking water, Aquatic life, Fish consumption.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit NJ02040105030020-01 · Official waterbody report
Nearby Lakes in Sussex County
Frequently asked questions about Swartswood Lake
Where is Swartswood Lake?
- Swartswood 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 Swartswood Lake?
- Swartswood Lake in Sussex County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Surface area: 521 acres.
Is Swartswood Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Swartswood Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, metals (other than mercury), nutrients (phosphorus, nitrogen), pH / acidity, pCBs, temperature. Check local advisories before you swim.
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Where this data comes from
Measurements for Swartswood 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