Cobble Mountain Reservoir
Hampden County, Massachusetts1,066 acresView mapDirections
No nutrient or algae sampling on record from MassDEP for this lake.
Cobble Mountain Reservoir in Hampden County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Surface area: 1066 acres.
Cobble Mountain Reservoir is a 1,066-acre lake in Hampden County, Massachusetts.
Source: EPA Water Quality Portal sampling records, MassDEP. Methodology: how these readings are compared.
What Cobble Mountain Reservoir is good for
From access and monitoring records, not editorial picks.
- Big water1,066 acres
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Cobble 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 Cobble Mountain Reservoir
These are the measurements MassDEP publishes for Cobble 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.
Ask about Cobble Mountain Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
1,066 acres
Shoreline
17.1 mi
No bathymetric survey has been published for Cobble Mountain Reservoir, so its depth is not documented here.
Stays via Stay22
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Fishing Cobble Mountain Reservoir
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Frequently asked questions about Cobble Mountain Reservoir
Where is Cobble Mountain Reservoir?
- Cobble Mountain Reservoir is a lake in Hampden County, Massachusetts. Its water-quality measurements are published by MassDEP and shown on this page as reported.
What is the water quality of Cobble Mountain Reservoir?
- Cobble Mountain Reservoir in Hampden County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Surface area: 1066 acres.
Is Cobble 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 Cobble Mountain Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.