Lost Flat Bay
Plaquemines County, Louisiana211 acresView mapDirections
No nutrient or algae sampling on record from LDEQ for this lake.
Lost Flat Bay in Plaquemines County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Surface area: 211 acres.
Lost Flat Bay is a 211-acre lake in Plaquemines 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 Lost Flat Bay 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 Lost Flat Bay
These are the measurements LDEQ publishes for Lost Flat Bay, 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
211 acres
No bathymetric survey has been published for Lost Flat Bay, so its depth is not documented here.
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Frequently asked questions about Lost Flat Bay
Where is Lost Flat Bay?
- Lost Flat Bay 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 Lost Flat Bay?
- Lost Flat Bay in Plaquemines County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Surface area: 211 acres.
Is Lost Flat Bay 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 Lost Flat Bay come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.