Grand Lake
Plaquemines County, Louisiana1,801 acresView mapDirections
No nutrient or algae sampling on record from LDEQ for this lake.
Grand Lake in Plaquemines County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Surface area: 1801 acres.
Grand Lake is a 1,801-acre lake in Plaquemines County, Louisiana.
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
What Grand Lake is good for
From access and monitoring records, not editorial picks.
- Big water1,801 acres
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Grand 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 Grand Lake
These are the measurements LDEQ publishes for Grand 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 Grand Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
1,801 acres
No bathymetric survey has been published for Grand Lake, so its depth is not documented here.
Stays via Stay22
Stays near Grand Lake
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Fishing Grand Lake
Nearby Lakes in Plaquemines County
Frequently asked questions about Grand Lake
Where is Grand Lake?
- Grand Lake is a lake in Plaquemines County, Louisiana. Its water-quality measurements are published by LDEQ and shown on this page as reported.
What is the water quality of Grand Lake?
- Grand Lake in Plaquemines County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Surface area: 1801 acres.
Is Grand 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 Grand Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.