We are starting two rulemakings to update Washington’s water quality standards to help address freshwater nutrient pollution and the harmful, toxic algal blooms that can result from it.

A long-term analysis shows that a major Oregon reservoir abruptly swapped one type of toxic algae for another midway through ...

PROVO, Utah (KTVX) — With the warmer months finally upon us, you may be heading out to enjoy the bodies of water and reservoirs around you. Unfortunately, the warmer temperatures and abundant sunlight ...

An underwater bloom of toxic algae has wreaked havoc off the coast of South Australia since mid-March 2025. After eight ...

The Town of Poughkeepsie says a harmful algae bloom is impacting the water from the Kingston-Rhinecliff Bridge down to the West Point area. The town says it is unknown how long the condition will last ...

Scientists have traced Australia’s unprecedented toxic algal bloom to a surprising species producing potent neurotoxins, ...

Health New Zealand, National Public Health Service has issued a health warning for Waihao River at Gum Tree Flat Rd (Don's Hole) The warning follows finding moderate to high cover of potentially ...