567—64.15 (455B) General permits issued by the department. The following is a list of general permits adopted by the department through the Administrative Procedure Act, Iowa Code chapter 17A, and the term of each permit.
	 64.15(1) Storm Water Discharge Associated with Industrial Activity, NPDES General Permit No.	1, effective October 1, 2007, to October 1, 2012. Facilities assigned Standard Industrial Classification 1442, 2951, or 3273, and those facilities assigned Standard Industrial Classification 1422 or 1423 which are engaged primarily in rock crushing are not eligible for coverage under General Permit No.	1.
	 64.15(2) Storm Water Discharge Associated with Industrial Activity for Construction Activities, NPDES General Permit No.	2, effective October 1, 2007, to October 1, 2012.
	  a.   	 Part I, provision B, section 1, paragraph A of General Permit No.	2 is amended to read as follows:
Except for discharges identified under Parts I.B.2. and I.B.3., this permit may authorize the discharge of storm water associated with industrial activity from construction sites, (those sites or common plans of development or sale that will result in the disturbance of one or more acres of total land area),
	  b.   	 Part VIII, under the definition: Storm water discharge associated with industrial activity, paragraph (x) of General Permit No.	2 is amended to read as follows:
Construction activity including clearing, grading and excavation activities except: operations that result in the disturbance of less than one acre of total land area which is not part of a larger common plan of development or sale.
	 64.15(3) Storm Water Discharge Associated with Industrial Activity from Asphalt Plants, Concrete Batch Plants, Rock Crushing Plants, and Construction Sand and Gravel Facilities, NPDES General Permit No.	3, effective October 1, 2007, to October 1, 2012. General Permit No.	3 authorizes storm water discharges from facilities primarily engaged in manufacturing asphalt paving mixtures and which are classified under Standard Industrial Classification 2951, primarily engaged in manufacturing Portland cement concrete and which are classified under Standard Industrial Classification 3273, those facilities assigned Standard Industrial Classification 1422 or 1423 which are primarily engaged in the crushing, grinding or pulverizing of limestone or granite, and construction sand and gravel facilities which are classified under Standard Industrial Classification 1442. General Permit No.	3 does not authorize the discharge of water resulting from dewatering activities at rock quarries.
	 64.15(4) “Discharge from Onsite Wastewater Treatment and Disposal Systems,” NPDES General Permit No.	4, effective January 1, 2004, to December 31, 2008.
	 64.15(5) “Discharge from Mining and Processing Facilities,” NPDES General Permit No.	5, effective July 18, 2001.