This review report describes the state of the science since the release of the 2012 RWQC, related to the protection of human health in water bodies designated for primary contact recreation (e.g., swimming). Based on the EPAs review of the existing criteria and developments in the available science, and consistent with CWA Section 304(a)(9)(B), the EPA has decided not to revise the 2012 Recreational Water Criteria during this review cycle.