South Washington Lake
Eddy County, North Dakota212 acresView mapDirections
No nutrient or algae sampling on record from ND DEQ for this lake.
South Washington Lake in Eddy County, North Dakota has water-quality measurements published by ND DEQ, shown here as reported. Surface area: 212 acres.
South Washington Lake is a 212-acre lake in Eddy 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 South Washington Lake 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 South Washington Lake
These are the measurements ND DEQ publishes for South Washington Lake, 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 South Washington Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
212 acres
Shoreline
2.9 mi
No bathymetric survey has been published for South Washington Lake, so its depth is not documented here.
Stays via Stay22
Stays near South Washington Lake
Compare lakeside cabins, hotels, and vacation rentals near South Washington Lake in Eddy County, North 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.
Top-rated places to stay near South Washington Lake
Prices for Oct 16–18, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at North Dakota’s top lakes →
Follow South Washington Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing South Washington Lake
Nearby Lakes in Eddy County
Frequently asked questions about South Washington Lake
Where is South Washington Lake?
- South Washington Lake is a lake in Eddy 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 South Washington Lake?
- South Washington Lake in Eddy County, North Dakota has water-quality measurements published by ND DEQ, shown here as reported. Surface area: 212 acres.
Is South Washington Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore South Washington Lake across LakeQuality
More lakes in North Dakota
Other Lakes in North Dakota
Where this data comes from
Measurements for South Washington Lake 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