Mashapaug Pond
Providence County, Rhode Island73 acresView mapDirections
No nutrient or algae sampling on record from RIDEM for this lake.
- Impaired · Algal growth
- 12 ft max depth
Mashapaug Pond in Providence County, Rhode Island has water-quality measurements published by RIDEM, shown here as reported. Maximum depth: 11.5 ft. Surface area: 73 acres.
Mashapaug Pond is a 73-acre lake in Providence County, Rhode Island with a maximum depth of 12 feet.
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
Swimming conditions
No readingBacteria advisory
Nutrient and algae readings are not a swimming clearance. Mashapaug Pond is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, nutrients (phosphorus, nitrogen), oxygen depletion (low DO), pathogens (E. coli, fecal), pCBs. Check local advisories before you swim.
Whether Mashapaug 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 Mashapaug Pond
These are the measurements RIDEM publishes for Mashapaug 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 Mashapaug Pond
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
11.5 ft
Surface area
73 acres
Shoreline
2.4 mi
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Fishing Mashapaug Pond
EPA Impairment Status
Mashapaug 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, Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit RI0006017L-06 · Official waterbody report
Nearby Lakes in Providence County
Frequently asked questions about Mashapaug Pond
Where is Mashapaug Pond?
- Mashapaug Pond 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 Mashapaug Pond?
- Mashapaug Pond in Providence County, Rhode Island has water-quality measurements published by RIDEM, shown here as reported. Maximum depth: 11.5 ft. Surface area: 73 acres.
Is Mashapaug Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Mashapaug Pond is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, nutrients (phosphorus, nitrogen), oxygen depletion (low DO), pathogens (E. coli, fecal), pCBs. Check local advisories before you swim.
How deep is Mashapaug Pond?
- Mashapaug Pond has a maximum depth of 11.5 feet. The lake covers 73 acres.
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Where this data comes from
Measurements for Mashapaug 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