Hundred Acre Pond
Washington County, Rhode Island85 acresView mapDirections
No nutrient or algae sampling on record from RIDEM for this lake.
- Impaired · Mercury
- 38 ft max depth
Hundred Acre Pond in Washington County, Rhode Island has water-quality measurements published by RIDEM, shown here as reported. Maximum depth: 38.1 ft. Surface area: 85 acres.
Hundred Acre Pond is a 85-acre lake in Washington County, Rhode Island with a maximum depth of 38 feet.
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
What Hundred Acre Pond is good for
From access and monitoring records, not editorial picks.
- Deep water38.1 ft surveyed max depth
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Hundred Acre Pond is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, nuisance exotic species, oxygen depletion (low DO). Check local advisories before you swim.
Whether Hundred Acre Pond 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 Hundred Acre Pond
These are the measurements RIDEM publishes for Hundred Acre Pond, 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 Hundred Acre Pond
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
38.1 ft
Surface area
85 acres
Shoreline
2.3 mi
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Stays near Hundred Acre Pond
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Fishing Hundred Acre Pond
EPA Impairment Status
Hundred Acre Pond 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.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit RI0008039L-13 · Official waterbody report
Nearby Lakes in Washington County
Frequently asked questions about Hundred Acre Pond
Where is Hundred Acre Pond?
- Hundred Acre Pond 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 Hundred Acre Pond?
- Hundred Acre Pond in Washington County, Rhode Island has water-quality measurements published by RIDEM, shown here as reported. Maximum depth: 38.1 ft. Surface area: 85 acres.
Is Hundred Acre Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Hundred Acre Pond is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, nuisance exotic species, oxygen depletion (low DO). Check local advisories before you swim.
How deep is Hundred Acre Pond?
- Hundred Acre Pond has a maximum depth of 38.1 feet. The lake covers 85 acres.
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Where this data comes from
Measurements for Hundred Acre Pond 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