Lac Grand Bayou
Avoyelles County, Louisiana98 acresView mapDirections
No nutrient or algae sampling on record from LDEQ for this lake.
Lac Grand Bayou in Avoyelles County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Surface area: 98 acres.
Lac Grand Bayou is a 98-acre lake in Avoyelles 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 Lac Grand Bayou 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 Lac Grand Bayou
These are the measurements LDEQ publishes for Lac Grand Bayou, 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 Lac Grand Bayou
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
98 acres
Shoreline
7.8 mi
No bathymetric survey has been published for Lac Grand Bayou, so its depth is not documented here.
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Frequently asked questions about Lac Grand Bayou
Where is Lac Grand Bayou?
- Lac Grand Bayou is a lake in Avoyelles County, Louisiana. Its water-quality measurements are published by LDEQ and shown on this page as reported.
What is the water quality of Lac Grand Bayou?
- Lac Grand Bayou in Avoyelles County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Surface area: 98 acres.
Is Lac Grand Bayou 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 Lac Grand Bayou come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.