NATIONAL PARK SERVICE · alerts
Toxic Algae Found – Blue Mesa Water Quality Advisory
August 20, 2025 · Source: National Park Service
Cyanotoxins are currently present in the Iola Basin. Until further notice, the park recommends that no person or pet swims in, or drinks from, reservoir waters in the Iola Basin. Cyanotoxins may be present in the Cebolla and Sapinero Basins. Use caution when fishing, boating, or recreating in Blue Mesa Reservoir.
Read the official NPS sourceWhat Travelers Need to Know
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This is an archived notice. Confirm its current status on the official conditions page before traveling.
Traveler guidance by State & Nation Staff Writer.
