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Rehfeldt Slough

Minnehaha County, South Dakota52 acresView mapDirections

SD DANR publishes the water-quality measurements for Rehfeldt Slough. Here is what has been measured.

Chlorophyll-a
82.4 µg/L
More algae than most
Measured by SD DANR
Area
52 acres
Surface area
Shoreline
1.1 mi
Measured length
  • Limited data

Rehfeldt Slough in Minnehaha County, South Dakota has water-quality measurements published by SD DANR, shown here as reported. Chlorophyll-a (algae): 82.4 µg/L. Surface area: 52 acres.

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Rehfeldt Slough is a 52-acre lake in Minnehaha County, South Dakota.

Source: EPA Water Quality Portal sampling records, SD DANR, last sampled 2017-07-17. Methodology: how these readings are compared.

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Rehfeldt Slough 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.

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Water quality measurements for Rehfeldt Slough

These are the measurements SD DANR publishes for Rehfeldt 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. Chlorophyll-a 82.4 µg/L.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)No reading

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorusNo reading

The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.

Chlorophyll-a (algae)82.4µg/LMeasured, not scored

The green pigment in algae — a direct measure of how much algae is in the water.

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Answers come straight from the public measurements and survey records on this page.

Lake Details

Surface area

52 acres

Shoreline

1.1 mi

No bathymetric survey has been published for Rehfeldt Slough, so its depth is not documented here.

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Frequently asked questions about Rehfeldt Slough

Where is Rehfeldt Slough?

Rehfeldt Slough is a lake in Minnehaha 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 Rehfeldt Slough?

Rehfeldt Slough in Minnehaha County, South Dakota has water-quality measurements published by SD DANR, shown here as reported. Chlorophyll-a (algae): 82.4 µg/L. Surface area: 52 acres.

Measurements on this page ↑

Is Rehfeldt Slough safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

Where this data comes from

Measurements for Rehfeldt Slough come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.