Harmful Algal Bloom and Hypoxia Research and Control Amendments Act of 2025

This bill extends through FY2030 and modifies the Harmful Algal Bloom and Hypoxia Research and Control Act to address algal blooms and hypoxia (deficiency of oxygen) in U.S. marine, estuarine, and freshwater systems. Harmful algal blooms are high concentrations of algae that may create nuisance or toxic conditions that are harmful to humans, animals, aquatic ecosystems, and the economy.

Learn about this bill’s status and read its full summary in the Pocket Congress app.