Granville Reservoir
Hampden County, Massachusetts74 acresView mapDirections
No nutrient or algae sampling on record from MassDEP for this lake.
Granville Reservoir in Hampden County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Surface area: 74 acres.
Granville Reservoir is a 74-acre lake in Hampden 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 Granville 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 Granville Reservoir
These are the measurements MassDEP publishes for Granville 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 Granville Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
74 acres
Shoreline
2.7 mi
No bathymetric survey has been published for Granville Reservoir, so its depth is not documented here.
Stays via Stay22
Stays near Granville Reservoir
Compare lakeside cabins, hotels, and vacation rentals near Granville Reservoir in Hampden County, Massachusetts — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Granville Reservoir
Prices for Oct 16–18, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at Massachusetts’s top lakes →
Follow Granville Reservoir’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Granville Reservoir
Nearby Lakes in Hampden County
Frequently asked questions about Granville Reservoir
Where is Granville Reservoir?
- Granville 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 Granville Reservoir?
- Granville Reservoir in Hampden County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Surface area: 74 acres.
Is Granville Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Granville Reservoir across LakeQuality
More lakes in Massachusetts
Other Lakes in Massachusetts
Where this data comes from
Measurements for Granville Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.