Willow Slough Marsh
Jefferson County, Texas64 acresView mapDirections
No nutrient or algae sampling on record from TCEQ for this lake.
Willow Slough Marsh in Jefferson County, Texas has water-quality measurements published by TCEQ, shown here as reported. Surface area: 64 acres.
Willow Slough Marsh is a 64-acre lake in Jefferson County, Texas.
Source: EPA Water Quality Portal sampling records, TCEQ. 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 Willow Slough Marsh is safe to swim in today is a call for the Texas Commission on Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Willow Slough Marsh
These are the measurements TCEQ publishes for Willow Slough Marsh, 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
64 acres
No bathymetric survey has been published for Willow Slough Marsh, so its depth is not documented here.
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Frequently asked questions about Willow Slough Marsh
Where is Willow Slough Marsh?
- Willow Slough Marsh is a lake in Jefferson County, Texas. Its water-quality measurements are published by TCEQ and shown on this page as reported.
What is the water quality of Willow Slough Marsh?
- Willow Slough Marsh in Jefferson County, Texas has water-quality measurements published by TCEQ, shown here as reported. Surface area: 64 acres.
Is Willow Slough Marsh 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 Willow Slough Marsh come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.