Is Cottonwood Lake Safe for Swimming?
Cottonwood Lake in Sully County, South Dakota has limited nutrient and algae sampling on record. A water-quality reading is not a swimming clearance. The state water agency and county health departments post current advisories; check them before you swim.. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Location | Sully County, South Dakota |
How does Cottonwood Lake compare?
Cottonwood Lake does not have enough recent summer sampling to compare with the South Dakota state average.
Stays via Stay22
Where to stay near Cottonwood Lake
Compare cabins, hotels, and vacation rentals near Cottonwood Lake in Sully County, South Dakota. Live availability and prices for your nights. Switch the map to Satellite to see how close each stay is to the water.
Top-rated places to stay near Cottonwood 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 trip to Cottonwood Lake?
Get lake water-quality updates plus the best cabin & lodging deals near Cottonwood Lake — straight to your inbox. No spam, unsubscribe anytime.
Watch Cottonwood Lake water quality
Get an email when the clarity or algae readings change. Unsubscribe anytime.