Dahl Slough
Nelson County, North Dakota249 acresView mapDirections
No nutrient or algae sampling on record from ND DEQ for this lake.
Dahl Slough in Nelson County, North Dakota has water-quality measurements published by ND DEQ, shown here as reported. Surface area: 249 acres.
Dahl Slough is a 249-acre lake in Nelson County, North Dakota.
Source: EPA Water Quality Portal sampling records, NDDEQ. 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 Dahl Slough is safe to swim in today is a call for the North Dakota Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Dahl Slough
These are the measurements ND DEQ publishes for Dahl 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 Dahl Slough
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
249 acres
No bathymetric survey has been published for Dahl Slough, so its depth is not documented here.
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Fishing Dahl Slough
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Frequently asked questions about Dahl Slough
Where is Dahl Slough?
- Dahl Slough is a lake in Nelson County, North Dakota. Its water-quality measurements are published by ND DEQ and shown on this page as reported.
What is the water quality of Dahl Slough?
- Dahl Slough in Nelson County, North Dakota has water-quality measurements published by ND DEQ, shown here as reported. Surface area: 249 acres.
Is Dahl 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 Dahl Slough come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Depth, fish, and access data from North Dakota Game & Fish