31A - CUP-1201 W. SECOND ST. - Laserfiche WebLink

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Mitigation Measures . Prior to the issuance of grctding permits, the project applicant shall provide proof of coverage under NPDES General construction Activity Storm Water Permit, which includes a copy of the project permit number and two copies of the Storm Water Pollution Prevention Plan. . Prior to the issuance of grading permits, the project applicant shall prepare an NPDES post-construction storm water management plan per Orange County Drainage Area Management Plan (DAMP) that includes all structural and non-structural Best Management Practices for the project. a. Submit and plan to Practices. have include approved a surface all structural drainage/utility Best management b. Provide two copies of the Water Quality Management Plan (WQMP) that includes a description of all-applicable Structural and Non-Structural Best Management Practices, which would apply to this project. B. Substantially deplete groundwater supplies or interfere substantially with groundwater recharge such that there would be a net deficit in aquifer volume or a lowering of the local groundwater table level. Q. Have a potentially significant adverse impact on groundwater quality? No Impact The City of Santa Ana receives 66% of its water from underground water supplies. The underground water basin in the City ranges from -50 feet to +40 feet, above sea level. Construction operations for the proposed project would not involve dewatering operations. The long-term operation of the proposed project would not have any impact on groundwater supplies. Additionally, the proposed project would not interfere with ground water recharge because the site is not located in an area that is known to recharge the ground water system. c. Substantially alter the existing drainage pattern of the site or area, including through the alteration of the course of 14 31A-36 16 of 48