Great Mountain Pond
Western Connecticut County, Connecticut41 acresView mapDirections
No nutrient or algae sampling on record from CT DEEP for this lake.
Great Mountain Pond in Western Connecticut County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Surface area: 41 acres.
Great Mountain Pond is a 41-acre lake in Western Connecticut County, Connecticut.
Source: EPA Water Quality Portal sampling records, your state environmental agency. 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 Great Mountain Pond is safe to swim in today is a call for the Connecticut Department of Energy and Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Great Mountain Pond
These are the measurements CT DEEP publishes for Great Mountain Pond, 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 Great Mountain Pond
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
41 acres
Shoreline
1.2 mi
No bathymetric survey has been published for Great Mountain Pond, so its depth is not documented here.
Stays via Stay22
Stays near Great Mountain Pond
Compare lakeside cabins, hotels, and vacation rentals near Great Mountain Pond in Western Connecticut County, Connecticut — 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 Great Mountain Pond
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.
Follow Great Mountain Pond’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Great Mountain Pond
Nearby Lakes in Western Connecticut County
Frequently asked questions about Great Mountain Pond
Where is Great Mountain Pond?
- Great Mountain Pond is a lake in Western Connecticut County, Connecticut. Its water-quality measurements are published by CT DEEP and shown on this page as reported.
What is the water quality of Great Mountain Pond?
- Great Mountain Pond in Western Connecticut County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Surface area: 41 acres.
Is Great Mountain Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Great Mountain Pond across LakeQuality
More lakes in Connecticut
Other Lakes in Connecticut
Where this data comes from
Measurements for Great Mountain Pond come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.