Mianus Reservoir
Western Connecticut County, Connecticut201 acresView mapDirections
No nutrient or algae sampling on record from CT DEEP for this lake.
Mianus Reservoir in Western Connecticut County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Surface area: 201 acres.
Mianus Reservoir is a 201-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 Mianus Reservoir 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 Mianus Reservoir
These are the measurements CT DEEP publishes for Mianus 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.
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Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
201 acres
Shoreline
6.4 mi
No bathymetric survey has been published for Mianus Reservoir, so its depth is not documented here.
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Frequently asked questions about Mianus Reservoir
Where is Mianus Reservoir?
- Mianus Reservoir 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 Mianus Reservoir?
- Mianus Reservoir in Western Connecticut County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Surface area: 201 acres.
Is Mianus 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 Mianus Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.