Riga Lake
Northwest Hills County, Connecticut156 acresView mapDirections
No nutrient or algae sampling on record from CT DEEP for this lake.
- 35 ft max depth
Riga Lake in Northwest Hills County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Maximum depth: 35.1 ft. Surface area: 156 acres.
Riga Lake is a 156-acre lake in Northwest Hills County, Connecticut with a maximum depth of 35 feet (9-foot average).
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
What Riga Lake is good for
From access and monitoring records, not editorial picks.
- Deep water35.1 ft surveyed max depth
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Riga Lake 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 Riga Lake
These are the measurements CT DEEP publishes for Riga Lake, 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 Riga Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
35.1 ft
Average depth
9.2 ft
Surface area
156 acres
Shoreline
2.9 mi
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Fishing Riga Lake
Nearby Lakes in Northwest Hills County
Frequently asked questions about Riga Lake
Where is Riga Lake?
- Riga Lake is a lake in Northwest Hills County, Connecticut. Its water-quality measurements are published by CT DEEP and shown on this page as reported.
What is the water quality of Riga Lake?
- Riga Lake in Northwest Hills County, Connecticut has water-quality measurements published by CT DEEP, shown here as reported. Maximum depth: 35.1 ft. Surface area: 156 acres.
Is Riga Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Riga Lake?
- Riga Lake has a maximum depth of 35.1 feet and an average depth of 9.2 feet. The lake covers 156 acres.
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Where this data comes from
Measurements for Riga Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.