; (B) transport large volumes of water to downstream rivers; (C) reduce the introduction of pollutants to large streams and rivers; (D) provide and purify drinking water supplies; (E) are especially important to the life cycles of aquatic organisms; and (F) aid in flood prevention. (7) The peer reviewed scientific literature unequivocally demonstrates that— (A) streams, regardless of their size or frequency of flow, are connected to, and strongly influence the function of, downstream waters