Glen Rock Reservoir
Washington County, Rhode Island31 acresView mapDirections
No nutrient or algae sampling on record from RIDEM for this lake.
- Impaired · Nuisance exotic species
- 9 ft max depth
Glen Rock Reservoir in Washington County, Rhode Island has water-quality measurements published by RIDEM, shown here as reported. Maximum depth: 9.2 ft. Surface area: 31 acres.
Glen Rock Reservoir is a 31-acre lake in Washington County, Rhode Island with a maximum depth of 9 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. Glen Rock Reservoir is listed impaired under Clean Water Act §303(d) (IR 4C) for nuisance exotic species. Check local advisories before you swim.
Whether Glen Rock 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 Glen Rock Reservoir
These are the measurements RIDEM publishes for Glen Rock 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 Glen Rock Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
9.2 ft
Surface area
31 acres
Shoreline
3.2 mi
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Fishing Glen Rock Reservoir
EPA Impairment Status
Glen Rock Reservoir is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4C).
Causes of impairment
Designated uses not supporting: Aquatic life.
Source: EPA ATTAINS assessment unit RI0008039L-19 · Official waterbody report
Nearby Lakes in Washington County
Frequently asked questions about Glen Rock Reservoir
Where is Glen Rock Reservoir?
- Glen Rock Reservoir is a lake in Washington County, Rhode Island. Its water-quality measurements are published by RIDEM and shown on this page as reported.
What is the water quality of Glen Rock Reservoir?
- Glen Rock Reservoir in Washington County, Rhode Island has water-quality measurements published by RIDEM, shown here as reported. Maximum depth: 9.2 ft. Surface area: 31 acres.
Is Glen Rock Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Glen Rock Reservoir is listed impaired under Clean Water Act §303(d) (IR 4C) for nuisance exotic species. Check local advisories before you swim.
How deep is Glen Rock Reservoir?
- Glen Rock Reservoir has a maximum depth of 9.2 feet. The lake covers 31 acres.
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Where this data comes from
Measurements for Glen Rock 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