Skip to main content
LakeQuality

Little Swartswood Lake

Sussex County, New Jersey83 acresView mapDirections

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

Area
83 acres
Surface area
Shoreline
1.9 mi
Measured length
  • Impaired · Mercury

Little Swartswood Lake in Sussex County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Surface area: 83 acres.

Loading map…

Little Swartswood Lake is a 83-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. Little 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 Little 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.

Get alerts for Little Swartswood Lake →

Water quality measurements for Little Swartswood Lake

These are the measurements NJDEP publishes for Little 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 Little Swartswood Lake

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

Lake Details

Surface area

83 acres

Shoreline

1.9 mi

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

Stays via Stay22

Stays near Little Swartswood Lake

Compare lakeside cabins, hotels, and vacation rentals near Little Swartswood 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.

Top-rated places to stay near Little Swartswood Lake

Prices for Oct 16–18, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Follow Little Swartswood Lake’s readings

Email me when new measurements post for this lake. Updates stay free.


Or email

Fishing Little Swartswood Lake

EPA Impairment Status

Little 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

MercuryMetals (other than mercury)Nutrients (phosphorus, nitrogen)pH / acidityPCBsTemperature

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 Little Swartswood Lake

Where is Little Swartswood Lake?

Little 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 Little Swartswood Lake?

Little Swartswood Lake in Sussex County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Surface area: 83 acres.

Measurements on this page ↑

Is Little Swartswood Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Little 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.

Swimming on this page ↑

Where this data comes from

Measurements for Little 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