Evans Pond
Salem County, New JerseyView mapDirections
NJDEP publishes the water-quality measurements for Evans Pond. Here is what has been measured.
- Eutrophic
- Impaired · Mercury
- Limited data
Evans Pond in Salem County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Water clarity: 0.7 ft visibility. Phosphorus: 440 µg/L. Chlorophyll-a (algae): 22 µg/L.
Evans Pond is a productive, nutrient-rich eutrophic lake in Salem County, New Jersey. Compared to the 6 other monitored lakes in Salem County, Evans Pond ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2024-10-01. Methodology: how these readings are compared.
Swimming conditions
Readings onlyLimited data
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Evans Pond is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, metals (other than mercury). Check local advisories before you swim.
Whether Evans Pond 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 Evans Pond
These are the measurements NJDEP publishes for Evans Pond, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 0.7 ft of visibility. Phosphorus 440 µg/L. Chlorophyll-a 22 µg/L. TSI 79.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 0.7ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 440µg/L | Poor GoodFairPoor |
| Chlorophyll-a (algae) | 22µg/L | Fair GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 79 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
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Stays near Evans Pond
Compare lakeside cabins, hotels, and vacation rentals near Evans Pond in Salem 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. The water-quality readings cover nutrients and algae, not lodging. Cabins and rentals around Evans Pond are listed below.
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Fishing Evans Pond
EPA Impairment Status
Evans Pond 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.
Source: EPA ATTAINS assessment unit NJ02040206140030-01 · Official waterbody report
Nearby Lakes in Salem County
Frequently asked questions about Evans Pond
Where is Evans Pond?
- Evans Pond 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 Evans Pond?
- Evans Pond in Salem County, New Jersey has water-quality measurements published by NJDEP, shown here as reported. Water clarity: 0.7 ft visibility. Phosphorus: 440 µg/L. Chlorophyll-a (algae): 22 µg/L.
Is Evans Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Evans Pond is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, metals (other than mercury). Check local advisories before you swim.
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Where this data comes from
15 measurements from 1 monitoring station, 2024. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- Princeton Hydro LLC
PRINCETONHYDRO15 samples · 2024
Analytical methods
- 4500 P B ~ Phosphorus, sample preparation method
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