Where is Columbia Lake?

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

Columbia Lake

Warren County, New Jersey48 acresView map Directions

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

Area

48 acres

Surface area

Shoreline

3.3 mi

Measured length

Impaired · Mercury

See the measurements Directions Where to stay

Columbia Lake in Warren County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Surface area: 48 acres.

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Columbia Lake is a 48-acre lake in Warren 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. Columbia Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, metals (other than mercury), pCBs, temperature. Check local advisories before you swim.

Whether Columbia 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 Columbia Lake

These are the measurements NJDEP publishes for Columbia 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 Columbia Lake

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

Lake Details

Surface area

48 acres

Shoreline

3.3 mi

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

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Stays near Columbia Lake

Compare lakeside cabins, hotels, and vacation rentals near Columbia Lake in Warren 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 Columbia Lake

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Fishing Columbia Lake

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

EPA Impairment Status

Columbia 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)PCBsTemperature

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 NJ02040105050050-01 · Official waterbody report

Nearby Lakes in Warren County

Delaware Lake1.6 ft clear · Hypereutrophic1 miView →Sunfish Pond5 miView →Lake Susquehanna5 miView →Upper Yards Creek Reservoir6.1 miView →Lower Yards Creek Reservoir6.6 miView →Cedar Lake5.8 miView →

Frequently asked questions about Columbia Lake

Where is Columbia Lake?: Columbia Lake is a lake in Warren County, New Jersey. Its water-quality measurements are published by NJDEP and shown on this page as reported.
What is the water quality of Columbia Lake?: Columbia Lake in Warren County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Surface area: 48 acres.
Is Columbia Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Columbia Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, metals (other than mercury), pCBs, temperature. Check local advisories before you swim.