Lake Winchester
Litchfield County, Connecticut250 acresView mapDirections
No nutrient or algae sampling on record from CT DEEP for this lake.
- Public access
- Limited data
Lake Winchester in Litchfield County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Surface area: 250 acres.
Lake Winchester is a 250-acre lake in Litchfield County, Connecticut. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2024-11-18. Methodology: how these readings are compared.
What Lake Winchester is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Lake Winchester 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 Lake Winchester
These are the measurements CT DEEP publishes for Lake Winchester, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data.
Ask about Lake Winchester
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
250 acres
Public access
Yes
Listed by CT DEEP
No bathymetric survey has been published for Lake Winchester, so its depth is not documented here.
Recreation & Access
- Winchester LakePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Lake Winchester
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Top-rated places to stay near Lake Winchester
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Fishing Lake Winchester
Reservoir Info (USACE NID)
Lake Winchester is a man-made reservoir impounded by the Winchester Lake Dam, built primarily for recreation on the E Br Naugatuck River; earth-type dam, 23 ft tall and 675 ft long.
- Surface area
- 250 ac
- Normal storage
- 2,280 ac-ft
- Drainage area
- 2.19 sq mi
- Hazard class
- Significant
- Owner
- Connecticut DEEP
Source: USACE National Inventory of Dams, NID ID CT00105 · Operator website
Nearby Lakes in Litchfield County
Frequently asked questions about Lake Winchester
Where is Lake Winchester?
- Lake Winchester is a lake in Litchfield County, Connecticut. Its water-quality measurements are published by CT DEEP and shown on this page as reported.
What is the water quality of Lake Winchester?
- Lake Winchester in Litchfield County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Surface area: 250 acres.
Is Lake Winchester safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Lake Winchester?
- Lake Winchester has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Winchester Lake. Public access is listed as yes.
Can I fish at Lake Winchester?
- Lake Winchester has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Connecticut's fish and wildlife agency, so check its current regulations before you go.
Explore Lake Winchester across LakeQuality
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Where this data comes from
3 measurements from 1 monitoring station, 2024. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- Connecticut Department Of Energy And Environmental Protection
CT_DEP01_WQX3 samples · 2024
Analytical methods
- Total Phosphorus After Block Digestion
- Nitrate-Nitrite Nitrogen by Colorimetry
- Turbidity by Nephelometry
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory