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<br />. <br /> <br />. <br /> <br />. <br /> <br />requirement that the munioipa1 waste disoharger <br /> <br />.... <br />~, <br />Q <br />W <br /> <br />monitor the water supply and the wastewater <br /> <br />disoharge for'salinity_ Such monitoring program <br /> <br />shall be completed within 2 years and the <br /> <br />discharger shall then present the information as <br /> <br />specified above_ <br /> <br />E_ All new and reissued NPDES permits for all <br /> <br />municipalities shall require monitoring of the <br /> <br />salinity of the intake water supply and the <br /> <br />wastewater treatment plant effluent in aocordanoe <br /> <br /> with the followi ng guidelines: <br />. Treatment Plant Monitoring Type of <br />Design Capaoi ty E'requ!'lncy,.... !:?am~1JL. <br /> <1.0 MGD Quarterly Discrete <br /> 1.0 - 5.0 MGD Monthly Composite <br /> >5,0 - 50.0 MGD Weekly Composite <br /> 50.0 MGD Daily Composite <br /> <br />1. Analysis for salinity may be either as total <br /> <br />dissolved sOlids' (TDS) or be electrical <br /> <br />conductivity where a satisfactory correlation <br /> <br />with TDS has been established. The <br /> <br />correlation should be based on a minimum of <br /> <br />five different samples. <br /> <br />2, Monitoring of the intake water supply may be <br /> <br />at a reduced frequency where the salinity of <br /> <br />. <br /> <br />the water supply is relatively uniform. <br /> <br />-10- <br />