Where is Lake Grinnell?

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

Lake Grinnell

Sussex County, New Jersey49 acresView map Directions

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

Area

49 acres

Surface area

Shoreline

2.2 mi

Measured length

Impaired · Metals (other than mercury)

See the measurements Directions Where to stay

Lake Grinnell in Sussex County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Surface area: 49 acres.

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Lake Grinnell is a 49-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. Lake Grinnell 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 Lake Grinnell 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 Grinnell

These are the measurements NJDEP publishes for Lake Grinnell, 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 Grinnell

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

Lake Details

Surface area

49 acres

Shoreline

2.2 mi

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

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Stays near Lake Grinnell

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

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Fishing Lake Grinnell

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

EPA Impairment Status

Lake Grinnell 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 NJ02020007010040-01 · Official waterbody report

Nearby Lakes in Sussex County

White Lake1 miView →Franklin Pond2.8 miView →Hawthorne Lake3.7 miView →Fox Hollow Lake4.2 miView →Tamarack Cove Lake5.2 ft clear · Eutrophic4.5 miView →Boardwalk Lake5.2 ft clear · Eutrophic—View →

Frequently asked questions about Lake Grinnell

Where is Lake Grinnell?: Lake Grinnell 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 Lake Grinnell?: Lake Grinnell in Sussex County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Surface area: 49 acres.
Is Lake Grinnell safe to swim in?: Nutrient and algae readings are not a swimming clearance. Lake Grinnell 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.