Old River Slough
Catahoula County, Louisiana259 acresView mapDirections
No nutrient or algae sampling on record from LDEQ for this lake.
Old River Slough in Catahoula County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Surface area: 259 acres.
Old River Slough is a 259-acre lake in Catahoula 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 Old River Slough 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 Old River Slough
These are the measurements LDEQ publishes for Old River Slough, 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 Old River Slough
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
259 acres
Shoreline
7 mi
No bathymetric survey has been published for Old River Slough, so its depth is not documented here.
Stays via Stay22
Stays near Old River Slough
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Fishing Old River Slough
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Frequently asked questions about Old River Slough
Where is Old River Slough?
- Old River Slough is a lake in Catahoula County, Louisiana. Its water-quality measurements are published by LDEQ and shown on this page as reported.
What is the water quality of Old River Slough?
- Old River Slough in Catahoula County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Surface area: 259 acres.
Is Old River Slough 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 Old River Slough come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.