Pascoag Reservoir
Providence County, Rhode Island338 acresView mapDirections
No nutrient or algae sampling on record from RIDEM for this lake.
- Impaired · Mercury
- 19 ft max depth
Pascoag Reservoir in Providence County, Rhode Island has water-quality measurements published by RIDEM, shown here as reported. Maximum depth: 19 ft. Surface area: 338 acres.
Pascoag Reservoir is a 338-acre lake in Providence County, Rhode Island with a maximum depth of 19 feet.
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Pascoag Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, nuisance exotic species. Check local advisories before you swim.
Whether Pascoag Reservoir is safe to swim in today is a call for the Rhode Island Department of Environmental Management and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Pascoag Reservoir
These are the measurements RIDEM publishes for Pascoag 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. TSI undefined.
Ask about Pascoag Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
19 ft
Surface area
338 acres
Shoreline
8.4 mi
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Stays near Pascoag Reservoir
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Fishing Pascoag Reservoir
EPA Impairment Status
Pascoag 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: Aquatic life, Fish consumption.
Source: EPA ATTAINS assessment unit RI0001002L-03 · Official waterbody report
Nearby Lakes in Providence County
Frequently asked questions about Pascoag Reservoir
Where is Pascoag Reservoir?
- Pascoag Reservoir is a lake in Providence County, Rhode Island. Its water-quality measurements are published by RIDEM and shown on this page as reported.
What is the water quality of Pascoag Reservoir?
- Pascoag Reservoir in Providence County, Rhode Island has water-quality measurements published by RIDEM, shown here as reported. Maximum depth: 19 ft. Surface area: 338 acres.
Is Pascoag Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Pascoag Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, nuisance exotic species. Check local advisories before you swim.
How deep is Pascoag Reservoir?
- Pascoag Reservoir has a maximum depth of 19 feet. The lake covers 338 acres.
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Where this data comes from
Measurements for Pascoag Reservoir 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