Lake Marsh
Hamlin County, South Dakota3,026 acresView mapDirections
No nutrient or algae sampling on record from SD DANR for this lake.
- Limited data
Lake Marsh in Hamlin County, South Dakota has water-quality measurements published by SD DANR, shown here as reported. Surface area: 3026 acres.
Lake Marsh is a 3,026-acre lake in Hamlin County, South Dakota.
Source: EPA Water Quality Portal sampling records, SD DANR. Methodology: how these readings are compared.
What Lake Marsh is good for
From access and monitoring records, not editorial picks.
- Big water3,026 acres
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Lake Marsh is safe to swim in today is a call for the South Dakota Department of Agriculture and Natural Resources and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Lake Marsh
These are the measurements SD DANR publishes for Lake 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.
Ask about Lake Marsh
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
3,026 acres
Shoreline
10.7 mi
No bathymetric survey has been published for Lake Marsh, so its depth is not documented here.
Stays via Stay22
Stays near Lake Marsh
Compare lakeside cabins, hotels, and vacation rentals near Lake Marsh in Hamlin County, South Dakota — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Lake Marsh
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Follow Lake Marsh’s readings
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Fishing Lake Marsh
Nearby Lakes in Hamlin County
Frequently asked questions about Lake Marsh
Where is Lake Marsh?
- Lake Marsh is a lake in Hamlin County, South Dakota. Its water-quality measurements are published by SD DANR and shown on this page as reported.
What is the water quality of Lake Marsh?
- Lake Marsh in Hamlin County, South Dakota has water-quality measurements published by SD DANR, shown here as reported. Surface area: 3026 acres.
Is Lake 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 Lake Marsh come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.