Oradell Reservoir
Bergen County, New Jersey104 acresView mapDirections
No nutrient or algae sampling on record from NJDEP for this lake.
- Impaired · Impaired biota (cause unknown)
Oradell Reservoir in Bergen County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Surface area: 104 acres.
Oradell Reservoir is a 104-acre lake in Bergen 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. Oradell Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for impaired biota (cause unknown), mercury, metals (other than mercury), nutrients (phosphorus, nitrogen), oxygen depletion (low DO), pathogens (E. coli, fecal). Check local advisories before you swim.
Whether Oradell 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 Oradell Reservoir
These are the measurements NJDEP publishes for Oradell 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
104 acres
No bathymetric survey has been published for Oradell Reservoir, so its depth is not documented here.
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Fishing Oradell Reservoir
EPA Impairment Status
Oradell 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 NJ02030103170060-01 · Official waterbody report
Nearby Lakes in Bergen County
Frequently asked questions about Oradell Reservoir
Where is Oradell Reservoir?
- Oradell Reservoir is a lake in Bergen County, New Jersey. Its water-quality measurements are published by NJDEP and shown on this page as reported.
What is the water quality of Oradell Reservoir?
- Oradell Reservoir in Bergen County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Surface area: 104 acres.
Is Oradell Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Oradell Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for impaired biota (cause unknown), mercury, metals (other than mercury), nutrients (phosphorus, nitrogen), oxygen depletion (low DO), pathogens (E. coli, fecal). Check local advisories before you swim.
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Where this data comes from
Measurements for Oradell 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