This project addressedthe issues surrounding the current state of knowledge, testing protocols, performance, regulatory environment, and research gaps pertaining to the widespread use of residential sized non-leaded brass materials in potable water systems. The goal was to synthesize the current state of knowledge through a series of topic papers and then convene experts in the field to develop research needs and priorities. A total of 27 priority issues and research needs were identified, in the following Leaching, Performance, and Product Acceptance Criteria, Costs, Plumbing Code Revisions and Marketplace Enforcement, Education and Technology Transfer, Manufacturing Issues, and Regulatory Impact and Implementation.