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Chapter 4 Mitigation Monitoring and Reporting Program <br />Hydrology and Water Quality <br />Impact 4.7-1: Implementation of <br />MM-0Z4.7-1 In order to comply with the 2003 DAMP, future development projects <br />Public Works <br />Project <br />Prior to Issuance of <br />the proposed Overlay Zone would <br />in the Overlay Zone shall prepare Storm Drain Plans, Stormwater Pollution <br />Applicant <br />Permits <br />not violate water quality <br />Prevention Plans (SWPPP), and Water Quality Management Plans (WQMP) <br />standards, waste discharge, or <br />conforming to the current National Pollution Discharge Elimination System <br />otherwise substantially degrade <br />(NPDES) requirements, prepared by a Licensed Civil Engineer or Environmental <br />water quality. <br />Engineer, shall be submitted to the Department of Public Works for review and <br />approval. <br />a. A SWPPP shall be prepared and updated as needed during the course of <br />construction to satisfy the requirements ofeach phase ofthe development. <br />The plan shall incorporate all necessary Best Management Practices <br />(BMPs) and other City requirements to eliminate polluted runoff until all <br />construction work for the project is completed. The SWPPP shall include <br />treatment and disposal of all dewatering operation flows, and for nuisance <br />flows during construction. <br />b. A WQMP shall be prepared, maintained, and updated as needed to satisfy <br />the requirements of the adopted NPDES program. The plan shall <br />incorporate water qualitymeasures for all improved phases ofthe project. <br />c Location ofthe BMPs shall not be within the public right-of-way. <br />Impact 4.7-4: Future development <br />NM-0Z4.7-2 Prior to issuance of grading permits, fiiture development projects in <br />Public Works <br />Project <br />Prior to Issuance of <br />in the Overlay Zone could alter the <br />the Overlay Zone shall submit a Hydrology and Hydraulic Study to the Public <br />Applicant <br />Grading Permits <br />existing drainage pattern and <br />Works Department for review and approval. Ifexisting facilities are not adequate to <br />potentially result in increased <br />handle runoff that may be generated by the proposed development, then the <br />downstream flooding through the <br />applicant shall propose feasible remedies to assure that adequate drainage <br />addition of impervious surfaces, or <br />facilities will be available prior to issuance of occupancy pen -nits. The applicant <br />exceeding the capacity of existing <br />may propose storm drain improvements to be constructed in order to meet project <br />or planned stormwater drainage <br />needs. If necessary storm drain upgrades cannot be implemented prior to <br />systems. <br />issuance of occupancy permits, on site detention facilities or other methods <br />acceptable to the City shall be included with new development projects to ensure <br />that post -construction mnoffdoes not exceed pre -development quantities. <br />Metro East Mivarl I Ica Ovprla�i 7nna (\/nIi imp 111) 4-13 <br />City Council 18 — 412 10/3/2023 <br />