South Norwalk Reservoir
Western Connecticut County, Connecticut155 acresView mapDirections
No nutrient or algae sampling on record from CT DEEP for this lake.
South Norwalk Reservoir in Western Connecticut County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Surface area: 155 acres.
South Norwalk Reservoir is a 155-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 South Norwalk 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 South Norwalk Reservoir
These are the measurements CT DEEP publishes for South Norwalk 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 South Norwalk Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
155 acres
Shoreline
4.3 mi
No bathymetric survey has been published for South Norwalk Reservoir, so its depth is not documented here.
Stays via Stay22
Stays near South Norwalk Reservoir
Compare lakeside cabins, hotels, and vacation rentals near South Norwalk Reservoir 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 South Norwalk 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.
Follow South Norwalk Reservoir’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing South Norwalk Reservoir
Nearby Lakes in Western Connecticut County
Frequently asked questions about South Norwalk Reservoir
Where is South Norwalk Reservoir?
- South Norwalk 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 South Norwalk Reservoir?
- South Norwalk Reservoir in Western Connecticut County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Surface area: 155 acres.
Is South Norwalk Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore South Norwalk Reservoir across LakeQuality
More lakes in Connecticut
Other Lakes in Connecticut
Where this data comes from
Measurements for South Norwalk Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.