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Department of Regulatory and Economic Resources <br />Division of Environmental Resources Management Policy Guidance <br />Policy Number: NRD-01 <br />Short Title: Class V permit issuance (Best Management Practices) for dewatering operations <br />associated with regular cleaning and maintenance of stormwater and utility <br />infrastructure and emergency pumping associated with flood protection. <br />Effective Date: See signature page. <br />Revision number: N/A <br />Brief Description of <br />Policy Objective: Provide guidance on the issuance of Class V permits as required per section 24- <br />48.1(1)(e), of the Code of Miami -Dade County to perform regular cleaning and <br />maintenance activities for stormwater and utility infrastructure and emergency <br />dewatering operations required for flood protection. This guidance is intended to <br />reduce and prevent turbidity and pollutant discharges to surface waters and the <br />Biscayne Aquifer. This policy outlines Best Management Practices for dewatering <br />operations associated with the regular cleaning and maintenance of stormwater <br />and utility infrastructure and emergency pumping needed for flood control. <br />Code Authorization: Section 24-48 of Chapter 24 of the Code of Miami -Dade County, Florida ("the <br />Code"). <br />1.0 Background on Regulatory Requirements of the Code <br />Section 24-48.1(1)(e) of the Code states: "Class V permits are required for any dewatering of groundwater, <br />surface water, or water which has entered into an underground facility, excavation, or trench". <br />As per the definition in section 24-5(81) of the Code, dewater shall mean to discharge off-site or on-site <br />of water from an excavation, underground structure, or depressed land. <br />As per the definition in section 24-5(307) of the Code, stormwater infrastructure shall mean the structural, <br />nonstructural or natural features of a parcel of land or watershed which collect, convey, store, absorb, <br />inhibit, treat, use, reuse, or otherwise affect the quantity or quality of stormwater. <br />2.0 Applicability of the Policy <br />This policy applies to any person that conducts dewatering of stormwater and utility infrastructure <br />within Miami -Dade County resulting from regular cleaning and maintenance activities, emergency <br />pumping of stormwater for flood protection, or any person who is the legal owner of stormwater or <br />utility infrastructure in Miami -Dade County that allows or permits such dewatering activities to be <br />performed in their system. Utility infrastructure as authorized under this policy refers to <br />underground structures that are part of an electrical, gas or potable water transmission or <br />distribution system, including manholes, handholes, meter boxes, valve boxes and utility tunnels, <br />or the like. No effluent discharges from a wastewater or sanitary system or infrastructure are <br />authorized under this policy. Decanting or discharging effluent as authorized under this policy is <br />only allowed into stormwater infrastructure owned by the same legal owner of the infrastructure <br />Page 1 of 4 <br />