Silver Lake
Sussex County, DelawareView mapDirections
DNREC publishes the water-quality measurements for Silver Lake. Here is what has been measured.
- Limited data
Silver Lake in Sussex County, Delaware has water-quality measurements published by DNREC, shown here as reported. Water clarity: 2 ft visibility.
Silver Lake is a lake in Sussex County, Delaware.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2020-09-10. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Silver Lake is safe to swim in today is a call for the Delaware Department of Natural Resources and Environmental Control and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Silver Lake
These are the measurements DNREC publishes for Silver Lake, 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 2 ft of visibility. TSI 67.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 67 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
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Frequently asked questions about Silver Lake
Where is Silver Lake?
- Silver Lake is a lake in Sussex County, Delaware. Its water-quality measurements are published by DNREC and shown on this page as reported.
What is the water quality of Silver Lake?
- Silver Lake in Sussex County, Delaware has water-quality measurements published by DNREC, shown here as reported. Water clarity: 2 ft visibility.
Is Silver Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
5 measurements from 1 monitoring station, 2020. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- UD Citizen Monitoring Program
CMP_WQX5 samples · 2020
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.