567—64.4 (455B) Issuance of NPDES permits.
	 64.4(1) Individual permit. The director shall, when an operation permit expires and an NPDES permit is required for the discharge, and, upon proper application, issue an individual NPDES permit in accordance with 64.5(455B), 64.7(455B), 64.8(1) and 64.9(455B).
	 64.4(2) General permit.
	  a.   	 The director may issue general permits which are consistent with 64.4(2)“b” and the requirements specified in 64.6(455B), 64.7(455B), 64.8(2), and 64.9(455B) for the following activities:
	 (1) 	 Storm water point sources requiring an NPDES permit pursuant to Section 402(p) of the federal Clean Water Act and 40 CFR 122.26 (as amended through June 15, 1992).
	 (2) 	 Private sewage disposal system discharges permitted under IAC 567—Chapter 69 where subsoil discharge is not possible as determined by the administrative authority.
	 (3) 	 For any discharge, except a storm water only discharge, from a mining or processing facility.
	  b.   	 Each general permit issued by the department must:
	 (1) 	 Be adopted as an administrative rule in accordance with Iowa Code chapter 17A, the Administrative Procedure Act. Each proposed permit will be accompanied by a fact sheet setting forth the principal facts and methodologies considered during permit development,
	 (2) 	 Correspond to existing geographic or political boundaries, and
	 (3) 	 Be identified in 567—64.15(455B).
	  c.   	 If an NPDES permit is required for an activity covered by a general permit, the applicant may seek either general permit coverage or an individual permit. Procedures and requirements for obtaining an individual NPDES permit are detailed in 64.3(4)“a.” Procedures for filing a Notice of Intent for coverage under a general permit are described in 567—64.6(455B) “Completing a Notice of Intent for Coverage Under a General Permit.”