Opinion ID: 4238952
Heading Depth: 4
Heading Rank: 1

Heading: Various sections of part 122, subpart B

Text: allow the Director to determine, on a case- by-case basis, that certain . . . storm water exception was the exercise of residual designation authority. 33 U.S.C. § 1342(p)(2)(E). Pursuant to a statutory directive, the EPA subsequently promulgated implementing regulations that preserved the agency's residual designation authority. 40 C.F.R. § 122.26(a)(9)(i)(C)–(D); see also NPDES -- Regulations for Revision of the Water Pollution Control Program Addressing Storm Water Discharges, 64 Fed. Reg. 68,722, 68,781 (Dec. 8, 1999) (The NPDES permitting authority's existing designation authority . . . [is] being retained.). These regulations are the basis for plaintiffs' suits. - 5 - discharges (§ 122.26) . . . that do not generally require an individual permit may be required to obtain an individual permit because of their contributions to water pollution.