To authorize the International Boundary and Water Commission to accept funds for activities relating to wastewater treatment and flood control works, and for other purposes.

This bill grants the United States Section of the International Boundary and Water Commission (IBWC) new authority to accept funds from both federal and non-federal sources. These funds are specifically designated for activities related to studying, designing, constructing, operating, or maintaining wastewater treatment works , water conservation projects , and flood control works . Funds accepted by the Commission will be deposited into a dedicated Treasury account and remain available until expended for the authorized purposes. The bill imposes limitations, including a cap of $5,000,000 per fiscal year on reimbursement or credit to non-federal entities, and prohibits accepting funds from entities linked to a foreign country of concern . To ensure transparency, the Commission is required to submit an annual report to relevant Congressional committees, detailing the activities carried out and costs associated with the accepted funds.