Lake Martha
Marshall County, South Dakota96 acresView mapDirections
No nutrient or algae sampling on record from SD DANR for this lake.
Lake Martha in Marshall County, South Dakota has water-quality measurements published by SD DANR, shown here as reported. Surface area: 96 acres.
Lake Martha is a 96-acre lake in Marshall County, South Dakota.
Source: EPA Water Quality Portal sampling records, SD DANR. 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 Lake Martha 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 Martha
These are the measurements SD DANR publishes for Lake Martha, 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 Lake Martha
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
96 acres
Shoreline
1.8 mi
No bathymetric survey has been published for Lake Martha, so its depth is not documented here.
Stays via Stay22
Stays near Lake Martha
Compare lakeside cabins, hotels, and vacation rentals near Lake Martha in Marshall 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.
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Frequently asked questions about Lake Martha
Where is Lake Martha?
- Lake Martha is a lake in Marshall 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 Martha?
- Lake Martha in Marshall County, South Dakota has water-quality measurements published by SD DANR, shown here as reported. Surface area: 96 acres.
Is Lake Martha 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 Martha come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.