Northfield Mountain Reservoir
Franklin County, Massachusetts237 acresView mapDirections
No nutrient or algae sampling on record from MassDEP for this lake.
Northfield Mountain Reservoir in Franklin County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Surface area: 237 acres.
Northfield Mountain Reservoir is a 237-acre lake in Franklin 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 Northfield Mountain 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 Northfield Mountain Reservoir
These are the measurements MassDEP publishes for Northfield Mountain 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.
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Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
237 acres
Shoreline
3.5 mi
No bathymetric survey has been published for Northfield Mountain Reservoir, so its depth is not documented here.
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Frequently asked questions about Northfield Mountain Reservoir
Where is Northfield Mountain Reservoir?
- Northfield Mountain Reservoir is a lake in Franklin County, Massachusetts. Its water-quality measurements are published by MassDEP and shown on this page as reported.
What is the water quality of Northfield Mountain Reservoir?
- Northfield Mountain Reservoir in Franklin County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Surface area: 237 acres.
Is Northfield Mountain 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 Northfield Mountain Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.