Harstad Slough
Stevens County, Minnesota334 acresView mapDirections
No nutrient or algae sampling on record from Minnesota PCA for this lake.
Harstad Slough in Stevens County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Surface area: 334 acres.
Harstad Slough is a 334-acre lake in Stevens County, Minnesota.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder. 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 Harstad Slough is safe to swim in today is a call for the Minnesota Pollution Control Agency and the Minnesota DNR and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Harstad Slough
These are the measurements Minnesota PCA publishes for Harstad 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. TSI undefined.
Ask about Harstad Slough
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
334 acres
Shoreline
4.5 mi
No bathymetric survey has been published for Harstad Slough, so its depth is not documented here.
Stays via Stay22
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Fishing Harstad Slough
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Frequently asked questions about Harstad Slough
Where is Harstad Slough?
- Harstad Slough is a lake in Stevens County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Harstad Slough?
- Harstad Slough in Stevens County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Surface area: 334 acres.
Is Harstad Slough 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 Harstad Slough come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Lake details from Minnesota DNR LakeFinder