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California Rvional Water Quality Conapl Board <br /> Central Valley Region r <br /> v Katherine Hart, Chair •��'� <br /> Linda S. Adams 11020 Sun Center Drive#200, Rancho Cordova, California 95670-6114 Arnold <br /> Secretary/or Phone(916)464-3291 •FAX (916)464-4645 n —_.,- Schwarzenegger <br /> Environmental - hdp.//www.waterboards.ca.gov/centralvalley ^< ;I� D Governor <br /> Protection <br /> 25 May 2010 ENV ROWIEN T HEALTH <br /> PERIIIT,,tSERVICES <br /> Mr. Robert Granberg CERTIFIED MAIL <br /> City of Stockton, Municipal Utilities 7006 0100 0000 5887 0930 <br /> 2500 Navy Drive <br /> Stockton, CA 95206 <br /> NOTICE OF APPLICABILITY, WATER QUALITY ORDER NO. 2003-0003-DWQ, <br /> DELTA WATER SUPPLY PROJECT, PIPELINE CONSTRUCTION DEWATERING <br /> ACTIVITY, SAN JOAQUIN COUNTY <br /> On 11 March 2010, the City of Stockton (hereafter "Discharger") submitted a Notice of Intent <br /> (NOI) to Comply with the Terms of Water Quality Order Statewide General Waste Discharge <br /> Requirements (WDRs) For Discharges To Land With A Low Threat to Water Quality (State <br /> Water Resources Control Board Water Quality Order No. 2003-0003-DWQ (General Order). <br /> The NOI describes the construction of an approximately 12 mile long, 54-inch diameter raw <br /> water pipeline that will transport water from the San Joaquin River to a new potable water <br /> treatment plant to be constructed in north Stockton. Two tunnels under surface water bodies <br /> will also be constructed, one at Honker Cut and the second at Bishop Cut. Additional <br /> information was submitted on 16 April 2010 and 24 May 2010. As part of the construction <br /> activities, groundwater will be dewatered and applied to land application areas adjacent to <br /> portions of the pipeline alignment. The LAAs are called Suprenant (123 acres) and Woody's <br /> on the River (436 acres). <br /> The Discharger has submitted engineering calculations estimating the amount of <br /> groundwater that will be dewatered, and provided a water balance demonstrating adequate <br /> LAA availability to contain all the applied water. The Discharger's water balance indicated <br /> approximately 134 acres of LAA is required to accommodate the discharge. Dewatering <br /> activities will not occur from October through April due to environmental restrictions related to <br /> wildlife habitat. <br /> Based on the information provided in the NOI and additional information submittals, the <br /> application of dewatered groundwater satisfies the general and specific conditions of State <br /> Water Resources Control Board (State Water Board) Water Quality Order (WQO) No. <br /> 2003-0003-DWQ. Therefore, this letter serves as formal notice that the WQO is applicable to <br /> the site and discharge. You are hereby assigned WQO No. 2003-0003-DWQ-R5010 for the <br /> discharge. <br /> A copy of the WQO is enclosed. You can also find the WQO on the State Water Board's <br /> website at: http://www.waterboards.ca.govlboard decisions/adopted orders/water quality/ <br /> 2003/wgoAvgo2003-0003.pdf. <br /> California Environmental Protection Agency <br /> C4RecycledPaper <br />