Number Five Reservoir
Worcester County, Massachusetts31 acresView mapDirections
No nutrient or algae sampling on record from MassDEP for this lake.
Number Five Reservoir in Worcester County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Surface area: 31 acres.
Number Five Reservoir is a 31-acre lake in Worcester County, Massachusetts.
Source: EPA Water Quality Portal sampling records, MassDEP. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Number Five Reservoir is safe to swim in today is a call for the Massachusetts Department of Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Number Five Reservoir
These are the measurements MassDEP publishes for Number Five 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 Number Five Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
31 acres
Shoreline
1 mi
No bathymetric survey has been published for Number Five Reservoir, so its depth is not documented here.
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Frequently asked questions about Number Five Reservoir
Where is Number Five Reservoir?
- Number Five Reservoir is a lake in Worcester County, Massachusetts. Its water-quality measurements are published by MassDEP and shown on this page as reported.
What is the water quality of Number Five Reservoir?
- Number Five Reservoir in Worcester County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Surface area: 31 acres.
Is Number Five Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
Measurements for Number Five Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.