The bill establishes the Water Project Navigators Program to support the development of multi-benefit water projects in eligible states. It defines terms like "disadvantaged community," "eligible entity," and "multi-benefit water project," and outlines the duties of navigators. The bill details criteria and guidelines for awarding grants, with a focus on serving Indian Tribes, disadvantaged communities, rural areas, and entities with limited resources. Additionally, it explains the cost share, coordination efforts, compliance requirements, and the authorization of appropriations for the Program. The bill includes a reporting requirement to Congress outlining the Program's impact and benefits.