Where is Harold E Watson Reservoir?

Harold E Watson Reservoir is a lake in Newport County, Rhode Island. Its water-quality measurements are published by RIDEM and shown on this page as reported.

How deep is Harold E Watson Reservoir?

Harold E Watson Reservoir has a maximum depth of 26.2 feet and an average depth of 13.1 feet. The lake covers 379 acres.

Harold E Watson Reservoir

Newport County, Rhode Island379 acresView map Directions

No nutrient or algae sampling on record from RIDEM for this lake.

Max depth

26.2 ft

Bathymetric survey

Area

379 acres

Surface area

Shoreline

4.7 mi

Measured length

Impaired · Nutrients (phosphorus, nitrogen)
26 ft max depth

See the measurements Directions Where to stay

Harold E Watson Reservoir in Newport County, Rhode Island has water-quality measurements published by RIDEM, shown here as reported. Maximum depth: 26.2 ft. Surface area: 379 acres.

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Harold E Watson Reservoir is a 379-acre lake in Newport County, Rhode Island with a maximum depth of 26 feet (13-foot average).

Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Harold E Watson Reservoir is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen), oxygen depletion (low DO). Check local advisories before you swim.

Whether Harold E Watson 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.

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Water quality measurements for Harold E Watson Reservoir

These are the measurements RIDEM publishes for Harold E Watson 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 Harold E Watson Reservoir

Answers come straight from the public measurements and survey records on this page.

Lake Details

Max depth

26.2 ft

Average depth

13.1 ft

Surface area

379 acres

Shoreline

4.7 mi

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Stays near Harold E Watson Reservoir

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Fishing Harold E Watson Reservoir

→ Harold E Watson Reservoir fishing regulations (limits, seasons, special rules)

EPA Impairment Status

Harold E Watson Reservoir is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).

Causes of impairment

Nutrients (phosphorus, nitrogen)Oxygen depletion (low DO)

Designated uses not supporting: Drinking water, Aquatic life.

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit RI0007035L-07 · Official waterbody report

Nearby Lakes in Newport County

Simmons Pond1.5 miView →Nonquit Pond1.9 miView →Tunipus Pond3.5 miView →Quicksand Pond3.2 miView →Briggs Marsh4.3 miView →Long Pond—View →

Frequently asked questions about Harold E Watson Reservoir

Where is Harold E Watson Reservoir?: Harold E Watson Reservoir is a lake in Newport County, Rhode Island. Its water-quality measurements are published by RIDEM and shown on this page as reported.
What is the water quality of Harold E Watson Reservoir?: Harold E Watson Reservoir in Newport County, Rhode Island has water-quality measurements published by RIDEM, shown here as reported. Maximum depth: 26.2 ft. Surface area: 379 acres.
Is Harold E Watson Reservoir safe to swim in?: Nutrient and algae readings are not a swimming clearance. Harold E Watson Reservoir is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen), oxygen depletion (low DO). Check local advisories before you swim.
How deep is Harold E Watson Reservoir?: Harold E Watson Reservoir has a maximum depth of 26.2 feet and an average depth of 13.1 feet. The lake covers 379 acres.