Onion Lake
Vermilion County, Louisiana285 acresView mapDirections
No nutrient or algae sampling on record from LDEQ for this lake.
Onion Lake in Vermilion County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Surface area: 285 acres.
Onion Lake is a 285-acre lake in Vermilion County, Louisiana.
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 Onion Lake is safe to swim in today is a call for the Louisiana Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Onion Lake
These are the measurements LDEQ publishes for Onion 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.
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Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
285 acres
No bathymetric survey has been published for Onion Lake, so its depth is not documented here.
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Stays near Onion Lake
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Frequently asked questions about Onion Lake
Where is Onion Lake?
- Onion Lake is a lake in Vermilion County, Louisiana. Its water-quality measurements are published by LDEQ and shown on this page as reported.
What is the water quality of Onion Lake?
- Onion Lake in Vermilion County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Surface area: 285 acres.
Is Onion Lake 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 Onion Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.