Grannis Pond
Capitol County, Connecticut31 acresView mapDirections
No nutrient or algae sampling on record from CT DEEP for this lake.
Grannis Pond in Capitol County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Surface area: 31 acres.
Grannis Pond is a 31-acre lake in Capitol 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 Grannis 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 Grannis Pond
These are the measurements CT DEEP publishes for Grannis 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 Grannis Pond
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
31 acres
Shoreline
2 mi
No bathymetric survey has been published for Grannis Pond, so its depth is not documented here.
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Fishing Grannis Pond
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Frequently asked questions about Grannis Pond
Where is Grannis Pond?
- Grannis Pond is a lake in Capitol County, Connecticut. Its water-quality measurements are published by CT DEEP and shown on this page as reported.
What is the water quality of Grannis Pond?
- Grannis Pond in Capitol County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Surface area: 31 acres.
Is Grannis Pond 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 Grannis Pond come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.