Halfmoon Lake
St. Bernard County, Louisiana1,329 acresView mapDirections
No nutrient or algae sampling on record from LDEQ for this lake.
Halfmoon Lake in St. Bernard County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Surface area: 1329 acres.
Halfmoon Lake is a 1,329-acre lake in St. Bernard County, Louisiana.
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
What Halfmoon Lake is good for
From access and monitoring records, not editorial picks.
- Big water1,329 acres
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Halfmoon 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 Halfmoon Lake
These are the measurements LDEQ publishes for Halfmoon 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 Halfmoon Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
1,329 acres
No bathymetric survey has been published for Halfmoon Lake, so its depth is not documented here.
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Stays near Halfmoon Lake
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Fishing Halfmoon Lake
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Frequently asked questions about Halfmoon Lake
Where is Halfmoon Lake?
- Halfmoon Lake is a lake in St. Bernard County, Louisiana. Its water-quality measurements are published by LDEQ and shown on this page as reported.
What is the water quality of Halfmoon Lake?
- Halfmoon Lake in St. Bernard County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Surface area: 1329 acres.
Is Halfmoon 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 Halfmoon Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.