Old Marsh Pond
Naugatuck Valley County, Connecticut189 acresView mapDirections
No nutrient or algae sampling on record from CT DEEP for this lake.
Old Marsh Pond in Naugatuck Valley County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Surface area: 189 acres.
Old Marsh Pond is a 189-acre lake in Naugatuck Valley 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 Old Marsh 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 Old Marsh Pond
These are the measurements CT DEEP publishes for Old Marsh 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 Old Marsh Pond
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
189 acres
Shoreline
4.5 mi
No bathymetric survey has been published for Old Marsh Pond, so its depth is not documented here.
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Frequently asked questions about Old Marsh Pond
Where is Old Marsh Pond?
- Old Marsh Pond is a lake in Naugatuck Valley County, Connecticut. Its water-quality measurements are published by CT DEEP and shown on this page as reported.
What is the water quality of Old Marsh Pond?
- Old Marsh Pond in Naugatuck Valley County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Surface area: 189 acres.
Is Old Marsh 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 Old Marsh Pond come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.