Swan Marsh
Mackinac County, Michigan28 acresView mapDirections
No nutrient or algae sampling on record from EGLE for this lake.
Swan Marsh in Mackinac County, Michigan has water-quality measurements published by EGLE, shown here as reported. Surface area: 28 acres.
Swan Marsh is a 28-acre lake in Mackinac County, Michigan.
Source: EPA Water Quality Portal sampling records, EGLE. 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 Swan Marsh is safe to swim in today is a call for the Michigan Department of Environment, Great Lakes, and Energy (EGLE) and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Swan Marsh
These are the measurements EGLE publishes for Swan 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.
Ask about Swan Marsh
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
28 acres
Shoreline
1.3 mi
No bathymetric survey has been published for Swan Marsh, so its depth is not documented here.
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Stays near Swan Marsh
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Frequently asked questions about Swan Marsh
Where is Swan Marsh?
- Swan Marsh is a lake in Mackinac County, Michigan. Its water-quality measurements are published by EGLE and shown on this page as reported.
What is the water quality of Swan Marsh?
- Swan Marsh in Mackinac County, Michigan has water-quality measurements published by EGLE, shown here as reported. Surface area: 28 acres.
Is Swan 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 Swan Marsh come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.