Walther Slough
Emmons County, North Dakota572 acresView mapDirections
No nutrient or algae sampling on record from ND DEQ for this lake.
Walther Slough in Emmons County, North Dakota has water-quality measurements published by ND DEQ, shown here as reported. Surface area: 572 acres.
Walther Slough is a 572-acre lake in Emmons 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 Walther 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 Walther Slough
These are the measurements ND DEQ publishes for Walther 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 Walther Slough
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
572 acres
No bathymetric survey has been published for Walther Slough, so its depth is not documented here.
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Fishing Walther Slough
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Frequently asked questions about Walther Slough
Where is Walther Slough?
- Walther Slough is a lake in Emmons 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 Walther Slough?
- Walther Slough in Emmons County, North Dakota has water-quality measurements published by ND DEQ, shown here as reported. Surface area: 572 acres.
Is Walther 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 Walther 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