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PM 800161 ( SA) Projcz . _ - 2 - 17 July 2018 <br /> San Joaquin County <br /> the United States Environmental Protection Agency ( USEPA) . Basin Plan amendments <br /> only become effective after they have been approved by the OAL and in some cases , the <br /> USEPA . Every three ( 3 ) years , a review of the Basin Plan is completed that assesses the <br /> appropriateness of existing standards and evaluates and prioritizes Basin Planning issues . <br /> For more information on the Water Quality Control flan for the Sacramento and San <br /> Joaquin Giver Basins , please visit our website : <br /> http : //www . waterboards . ca . gov/ centralvalley/water issues / basin.plans/ . <br /> Arntidocivada : i n Considerations <br /> All wastewater discharges must comply with the Antidegradation Policy ( State Water Board <br /> Resolution 68 - 16 ) and the Antidegradation Implementation Policy contained in the Basin <br /> Plan , The Antidegradation Policy is available on page M15 . 01 at : <br /> http : //www . waterboards . ca . gov/centralvalleywater issues / basin plans/sacsir . pdf <br /> In part it states : <br /> Any discharge of waste to high quality waters must apply best practicable treatment or <br /> control not only to prevent a condition of pollution or nuisance from occurring, but also to <br /> maintain the highest water quality possible consistent with the maximum benefit to the <br /> people of the State . <br /> Thisl nformation must be presented as an analysis of the impacts and potential impacts <br /> of the discharge on water quality, as measured by background concentrations and <br /> applicable water quality objectives . <br /> The antidegradation analysis is a mandatory element in the National Pollutant Discharge <br /> Elimination System and land discharge Waste Discharge Requirements (WDRs ) permitting <br /> processes . The environmental review document should evaluate potential impacts to both <br /> surface and groundwater quality . <br /> iDo Perm ONKUPng Requirements <br /> Cons( ructiorn Moan Water Genes Per° n I <br /> Dischargers whose project disturb one or more acres of soil or where projects disturb less <br /> than one acre but are part of a larger common plan of development that in total disturbs <br /> one or more acres , are required to obtain coverage under the General Permit for Storm <br /> Water Discharges Associated with Construction Activities ( Construction General Permit ) , <br /> Construction General Permit Order No . 2009 - 009 - DWQ . Construction activity subject to <br /> this permit includes clearing , grading , grubbing , disturbances to the ground , such as <br /> stockpiling , or excavation , but does not include regular maintenance activities performed to <br /> restore the original line , grade , or capacity of the facility . The Construction General Permit <br /> requires the development and implementation of a Storm Water Pollution Prevention Plan <br />