Coatesville Reservoir
Chester County, Pennsylvania55 acresView mapDirections
No nutrient or algae sampling on record from PA DEP for this lake.
- Limited data
Coatesville Reservoir in Chester County, Pennsylvania has water-quality measurements published by PA DEP, shown here as reported. Surface area: 55 acres.
Coatesville Reservoir is a 55-acre lake in Chester County, Pennsylvania.
Source: EPA Water Quality Portal sampling records, PA DEP, last sampled 2026-03-23. 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 Coatesville Reservoir is safe to swim in today is a call for the Pennsylvania Department of Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Coatesville Reservoir
These are the measurements PA DEP publishes for Coatesville 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 Coatesville Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
55 acres
Shoreline
1.6 mi
No bathymetric survey has been published for Coatesville Reservoir, so its depth is not documented here.
Stays via Stay22
Stays near Coatesville Reservoir
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Frequently asked questions about Coatesville Reservoir
Where is Coatesville Reservoir?
- Coatesville Reservoir is a lake in Chester County, Pennsylvania. Its water-quality measurements are published by PA DEP and shown on this page as reported.
What is the water quality of Coatesville Reservoir?
- Coatesville Reservoir in Chester County, Pennsylvania has water-quality measurements published by PA DEP, shown here as reported. Surface area: 55 acres.
Is Coatesville Reservoir 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
Measurements for Coatesville Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.