Sunset Lake
New Castle County, Delaware46 acresView mapDirections
No nutrient or algae sampling on record from DNREC for this lake.
- Impaired · Nutrients (phosphorus, nitrogen)
- 39 ft max depth
Sunset Lake in New Castle County, Delaware has water-quality measurements published by DNREC, shown here as reported. Maximum depth: 39 ft. Surface area: 46 acres.
Sunset Lake is a 46-acre lake in New Castle County, Delaware with a maximum depth of 39 feet (5-foot average).
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
What Sunset Lake is good for
From access and monitoring records, not editorial picks.
- Deep water39 ft surveyed max depth
Swimming conditions
No readingBacteria advisory
Nutrient and algae readings are not a swimming clearance. Sunset Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen), oxygen depletion (low DO), pathogens (E. coli, fecal). Check local advisories before you swim.
Whether Sunset 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 Sunset Lake
These are the measurements DNREC publishes for Sunset Lake, 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.
Ask about Sunset Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
39 ft
Average depth
4.7 ft
Surface area
46 acres
Shoreline
3.1 mi
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Fishing Sunset Lake
EPA Impairment Status
Sunset Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Aquatic life, Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit DE120-L03 · Official waterbody report
Nearby Lakes in New Castle County
Frequently asked questions about Sunset Lake
Where is Sunset Lake?
- Sunset Lake is a lake in New Castle County, Delaware. Its water-quality measurements are published by DNREC and shown on this page as reported.
What is the water quality of Sunset Lake?
- Sunset Lake in New Castle County, Delaware has water-quality measurements published by DNREC, shown here as reported. Maximum depth: 39 ft. Surface area: 46 acres.
Is Sunset Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Sunset Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen), oxygen depletion (low DO), pathogens (E. coli, fecal). Check local advisories before you swim.
How deep is Sunset Lake?
- Sunset Lake has a maximum depth of 39 feet and an average depth of 4.7 feet. The lake covers 46 acres.
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Where this data comes from
Measurements for Sunset Lake 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