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California, Regional Water Qualityontrol Board <br /> Central Valley Regio <br /> Terri Tamminen RohertSchneider,Chair . <br /> SuraryTor - - Arnold Sfh - <br /> rzr nonme,aa(ROtec[iOr{ <br /> Sacravrento i4t#in friice <br /> Intemel Address: hUp/(wy+W swrch ca gov/-nvgrb5 <br /> 11020 Sun Center Drive,#200 Rancho Cordova,CA.95600 61 t4 <br /> Phone(916)'4G 32!h •FAJC916)464-0780 A <br /> 7 April 2004 _ ComtllUntyu�r r8 �pp� <br /> JenniferJolley DeSilva Gates Construction, LLP <br /> San Joaquin Comity Comm. Develop. Dept. 11555 Dublin Boulevard, lsr Floor <br /> 1810 E. Hazelton Ave. Dublin, CA 94568 <br /> Stockton, CA 95205 <br /> Thorning Aggregates Limited PTP <br /> 33600 Koster Road <br /> Tracy,CA 95304 <br /> PA-0300550(", QVARRYEXCAVATIONAPPLICATION, TRACY,SAN )OAQUINCOUIVTY <br /> I have reviewed the Application Referral for Aggregate Mining near Tracy, San Joaquin County <br /> distributed by the San Joaquin County Community Development Department. The Application Number <br /> is PA-0300550(QX). The document briefly describes plans to excavate 155 acres of a 217.5 acre site, <br /> construct a processing plant, and construct 10,000 square feet of buildings. _ <br /> Waste Discharge Requirements <br /> Because wastewater will be generated and treated, stored, or disposed on site, Waste Discharge <br /> Requirements (WDRs) will be required. In accordance with California Water Code Section 13260, the _ <br /> project proponent shall submit a Report of Waste Discharge(RWD) at least 150 days prior to <br /> discharging wastewater at the site- <br /> Construction.Stormwater Permit <br /> A National Pollutant Discharge Elimination System(NPDES) General Permit for Storm Water <br /> Discharges Associated with Construction Activities, Order No. 99-28-DWQ is required when a project <br /> involves clearing, grading, disturbances to the ground, such as stockpiling, or excavation. Currently, <br /> construction activity that involves soil disturbances on construction sites five acres or greater or which <br /> are part of a larger common plan of development or sale require a construction storm water permit. <br /> Because construction associated with the project will disturb more than five acres, the property owner <br /> needs to obtain permit coverage under the NPDES General Permit No. CAS000002 for Discharges of <br /> Storm Water Associated With Construction Activity. Before construction begins, the proponent must _ <br /> submit an NOI to comply with the permit to the State Water Resources Control Board and a Stormwater <br /> Pollution Prevention Plan(SWPPP) must be prepared. <br /> Water Ouality Certification - Wetlands <br /> If a U.S. Army Corp of Engineers (ACOE)permit is required due to the disturbance of wetlands, then <br /> Water Quality Certification must be obtained from the Regional Board prior to initiation of project <br /> California Environmental Protection Agency <br /> rq Recyckd Paper -- <br />