Until then, businesses can save time and money by better understanding the regulatory landscape.1Jeffrey M. Gaba, Federal Supervision of State Water Quality Standards under the Clean Water Act, 36 VAND. L. REV. 1167, 1176 (1983); see also 33 U.S.C. § 1251(b) (“It is the policy of the Congress to recognize, preserve, and protect the primary responsibilities and rights of States to prevent, reduce, and eliminate pollution, to plan the development and use (including restoration, preservation, and enhancement) of land and water resources . . . .”).2 33 U.S.C. § 407 (The Rivers and Harbors Act was also known as the Refuse Act); Bonnie A Malloy, Testing Cooperative Federalism: Water Quality Standards under the Clean Water Act, 6 ENVTL. & ENERGY L. & POL’Y J. 63, 69 (2011) (citations omitted).3 D.C. v. Schramm, 631 F.2d 854, 860 (D.C. Cir. 1980).4 33 U.S.C. § 1362(7) (2018).5 80 Fed. Reg. 37,054 (June 29, 2015), codified at 40 C.F.R. § 230.3(o) (2018).