Harmful Algal Bloom (HAB) WARNING Advisory
July 1, 2025
Lahontan State Recreation Area (Updated: July 1, 2025)
Lahontan Reservoir, located in Lahontan State Recreation Area, has been upgraded to a Harmful Algal Bloom (HAB) WARNING Advisory. Visual and satellite imagery assessments have indicated an increase presence of Cyanobacteria. Water tests are currently being conducted by the Nevada Division of Environmental Protection (NDEP). These toxic algae can cause serious health issues for humans and animals.
SWIM AT YOUR OWN RISK
