Ingersoll Reservoir
Warren County, New Jersey649 acresView mapDirections
No nutrient or algae sampling on record from NJDEP for this lake.
- Impaired · Mercury
Ingersoll Reservoir in Warren County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Surface area: 649 acres.
Ingersoll Reservoir is a 649-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 readingBacteria advisory
Nutrient and algae readings are not a swimming clearance. Ingersoll Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, metals (other than mercury), pathogens (E. coli, fecal), pesticides, pCBs, temperature. Check local advisories before you swim.
Whether Ingersoll Reservoir 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 Ingersoll Reservoir
These are the measurements NJDEP publishes for Ingersoll Reservoir, 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.
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Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
649 acres
Shoreline
6.3 mi
No bathymetric survey has been published for Ingersoll Reservoir, so its depth is not documented here.
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Fishing Ingersoll Reservoir
EPA Impairment Status
Ingersoll Reservoir 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, Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit NJ02040105140040-01 · Official waterbody report
Nearby Lakes in Warren County
Frequently asked questions about Ingersoll Reservoir
Where is Ingersoll Reservoir?
- Ingersoll Reservoir 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 Ingersoll Reservoir?
- Ingersoll Reservoir in Warren County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Surface area: 649 acres.
Is Ingersoll Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Ingersoll Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, metals (other than mercury), pathogens (E. coli, fecal), pesticides, pCBs, temperature. Check local advisories before you swim.
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Where this data comes from
Measurements for Ingersoll Reservoir 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