Salem River Reservoir
Salem County, New Jersey8 acresView mapDirections
No nutrient or algae sampling on record from NJDEP for this lake.
- Impaired · Impaired biota (cause unknown)
- Limited data
Salem River Reservoir in Salem County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Surface area: 8 acres.
Salem River Reservoir is a 8-acre lake in Salem County, New Jersey.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2020-10-15. Methodology: how these readings are compared.
Swimming conditions
No readingBacteria advisory
Nutrient and algae readings are not a swimming clearance. Salem River 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), pH / acidity, turbidity. Check local advisories before you swim.
Whether Salem River 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 Salem River Reservoir
These are the measurements NJDEP publishes for Salem River 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.
Ask about Salem River Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
8 acres
No bathymetric survey has been published for Salem River Reservoir, so its depth is not documented here.
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Fishing Salem River Reservoir
Reservoir Info (USACE NID)
Salem River Reservoir is a man-made reservoir impounded by the Sadies Dam (completed 1956), built primarily for recreation on the Salem River; earth-type dam, 14 ft tall and 420 ft long.
- Surface area
- 8 ac
- Normal storage
- 36 ac-ft
- Drainage area
- 0.8 sq mi
- Hazard class
- Significant
- Owner
- South Jersey Agricultural Products
Source: USACE National Inventory of Dams, NID ID NJ00554 · Operator website · Matched by proximity (0.5 km)
EPA Impairment Status
Salem River 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 NJ02040206030010-01 · Official waterbody report
Nearby Lakes in Salem County
Frequently asked questions about Salem River Reservoir
Where is Salem River Reservoir?
- Salem River Reservoir is a lake in Salem County, New Jersey. Its water-quality measurements are published by NJDEP and shown on this page as reported.
What is the water quality of Salem River Reservoir?
- Salem River Reservoir in Salem County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Surface area: 8 acres.
Is Salem River Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Salem River 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), pH / acidity, turbidity. Check local advisories before you swim.
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Where this data comes from
12 measurements from 1 monitoring station, 2020. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- USGS New Jersey Water Science Center
USGS-NJ12 samples · 2020
Analytical methods
- HACH 2100Q, NTRU
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database