Federal bill targets golden mussel invasion in U.S. waterways

What does this do?

S 4603 establishes a federal task force to research, track, and combat the golden mussel, an invasive species entering U.S. waterways beginning with the Sacramento-San Joaquin Delta in California. The task force must publish control guidelines within one year, including setting up boat inspection stations. A competitive grant program would fund universities, nonprofits, and local governments to develop removal technologies for pipes, boat hulls, canals, and other affected infrastructure.

Who does it affect?

Residents, workers, water managers, farmers, fishing operations, and port operators near infested waterways are most directly affected, particularly in California. Boaters could face new inspection requirements at watercraft stations.

Why does it matter?

Golden mussels are known to clog water intake systems and harm ecosystems, posing risks to irrigation-dependent communities and clean water supplies. The spread of the species into U.S. waterways creates pressure on water infrastructure and aquatic environments.

What does it cost, and who pays?

• Up to $15M per year authorized
• Funding runs 2026 through 2030
• Covers task force and grants