Sebastian Lake
Sebastian County, Arkansas61 acresView mapDirections
No nutrient or algae sampling on record from Arkansas DEQ for this lake.
Sebastian Lake in Sebastian County, Arkansas has water-quality measurements published by Arkansas DEQ, shown here as reported. Surface area: 61 acres.
Sebastian Lake is a 61-acre lake in Sebastian County, Arkansas.
Source: EPA Water Quality Portal sampling records, ADEQ. 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 Sebastian Lake is safe to swim in today is a call for the Arkansas Division of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Sebastian Lake
These are the measurements Arkansas DEQ publishes for Sebastian 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 Sebastian Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
61 acres
Shoreline
2.4 mi
No bathymetric survey has been published for Sebastian Lake, so its depth is not documented here.
Stays via Stay22
Stays near Sebastian Lake
Compare lakeside cabins, hotels, and vacation rentals near Sebastian Lake in Sebastian County, Arkansas — 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 Sebastian 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 Arkansas’s top lakes →
Follow Sebastian Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Sebastian Lake
Nearby Lakes in Sebastian County
Frequently asked questions about Sebastian Lake
Where is Sebastian Lake?
- Sebastian Lake is a lake in Sebastian County, Arkansas. Its water-quality measurements are published by Arkansas DEQ and shown on this page as reported.
What is the water quality of Sebastian Lake?
- Sebastian Lake in Sebastian County, Arkansas has water-quality measurements published by Arkansas DEQ, shown here as reported. Surface area: 61 acres.
Is Sebastian Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Sebastian Lake across LakeQuality
More lakes in Arkansas
Other Lakes in Arkansas
Where this data comes from
Measurements for Sebastian Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.