Where is Lake Shawnee?

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

Lake Shawnee

Morris County, New Jersey82 acresView map Directions

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

Area

82 acres

Surface area

Shoreline

3.2 mi

Measured length

Impaired · Mercury

See the measurements Directions Where to stay

Lake Shawnee in Morris County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Surface area: 82 acres.

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Lake Shawnee is a 82-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. Lake Shawnee is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, nutrients (phosphorus, nitrogen), pesticides, pH / acidity, pCBs, temperature. Check local advisories before you swim.

Whether Lake Shawnee 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 Lake Shawnee

These are the measurements NJDEP publishes for Lake Shawnee, 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 Lake Shawnee

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

Lake Details

Surface area

82 acres

Shoreline

3.2 mi

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

Stays via Stay22

Stays near Lake Shawnee

Compare lakeside cabins, hotels, and vacation rentals near Lake Shawnee 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.

Top-rated places to stay near Lake Shawnee

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Fishing Lake Shawnee

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

EPA Impairment Status

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

Causes of impairment

MercuryNutrients (phosphorus, nitrogen)PesticidespH / acidityPCBsTemperature

Designated uses not supporting: Aquatic life, Fish consumption.

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

Source: EPA ATTAINS assessment unit NJ02040105150020-01 · Official waterbody report

Nearby Lakes in Morris County

Picatinny Lake—View →Longwood Lake—View →Mount Hope Lake—View →Lake Denmark—View →Oak Ridge Lake—View →Lake Swannanoa—View →

Frequently asked questions about Lake Shawnee

Where is Lake Shawnee?: Lake Shawnee 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 Lake Shawnee?: Lake Shawnee in Morris County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Surface area: 82 acres.
Is Lake Shawnee safe to swim in?: Nutrient and algae readings are not a swimming clearance. Lake Shawnee is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, nutrients (phosphorus, nitrogen), pesticides, pH / acidity, pCBs, temperature. Check local advisories before you swim.