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<br />USBRIMWD SALINITY MANAGEMENT STUDY <br />FINAL REPORT <br /> <br />Figure3-14 <br /> <br />~..'J <br />0-: <br />l\: <br />U,.) <br /> <br />Salinity in Chino Groundwater Basin <br /> <br /> <br />~'iuity "VQt";;!fJ$f fram <br />50010 1000 mR/l <br />ill Dairy Area <br /> <br />WATER SOFTENERS <br /> <br />Self-regenerating residential water softeners add 50 to 100 mg/L of salt to domestic sewage <br />discharged to wastewater collection systems. This added salt may adversely affect water <br />recycling and receiving groundwater. Recent attempts to control use of such water softeners <br />have failed because of legal challenges by the Water Quality Association (a home water <br />treatment device manufacturers association). New state regulations or legislation could be <br />pursued to provide water and wastewater agencies. with greater authority to regulate use of <br />water softeners within their jurisdictional areas, while allowing the public to continue to enjoy <br />the benefits of water softening. See Technical Appendix 6 for additional discussion of this <br />issue. It may be beneficial for water softeners manufacturers and water utilities to pursue <br />actions of common benefits such as: improved salt use efficiency and other advances in <br />technology. <br /> <br />ECONOMIC BENEFITS OF OPTIONS <br /> <br />To allow for a comparison of the merits of the various options, a benefit assessment was <br />conducted for year 2000 conditions. It was assumed, for comparative purposes only, that <br />each option was fully in effect under average demand and salinity conditions in the year 2000. <br /> <br />BOOKMAN-EDMONSTON <br />ENGINEERING, INC. 3-24 <br />O:\LOCAlRESIANDYSISAl/N1TY\1UNE98-2\7SECT3.DOC 0712019810:59 AM <br /> <br />Section 3 <br />Evaluation of Potential Regional <br />Salinity Management Strategies <br /> <br />e <br /> <br /> <br /> <br /> <br /> <br /> <br />. <br /> <br />. <br />