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USBRIMWD SALINITY MANAGEMENT STUDy FINAL REPORT . This approach, of course, results in moving some options forward in time, such as a CALFED solution that would not be fully realized until perhaps 2015 or there about. Table 3-{i represents the result ofthis comparative assessment. w 0) C;;J o Table 3-6 Benefits of Various Alternatives if Implemented in Year 200d . Salinity Reduction Total Salt Benefits Reduction Proiect (Smillion\ I (1000 Tons\ CRA water desalted from 689 to 200 mg/L 289 787 CRA water desalted from 689 to 500 mg/L 144 354 Place desalted agricultural drainage into CRA to 127 311 lower CRA salinity to 500 mg/L CRA salinity control programs to reduce CRA TDS 70 165 by 100 mg/L (from 689 to 589 mg/L) CRA salinity control pro9rams to reduce CRA TDS 35 82 by 50 mg/L (from 689 to 639 mg/L) CALFED altemative that lowers SWP TDS from 41 105 250 to 150 mg/L at O'Neill Forebay Additional 100,000 AFY of Desert-Coachella exchange (33 mg/L of TDS reduction in blended 22 60 areal 6-month 500 mg/L salinity target 57 138 9-month 500 mg/L salinity target 80 193 Year-round 500 mg/L salinity target 97 234 Reduce urban TDS contribution to wastewater by 100 mg/L, but to not less than a 250 mg/L 8 10** contribution Reduce groundwater TDS by 100 mg/L. but to not 66 n/a less than about 250 mg/L at the wellhead . This presentation is for comparative purposes. Some of the alternatives could not be implemented by year 2000. Benefits are for a hypothetical condition where each alternative would be fully implemented by year 2000. "" Excludes ocean disposal nla:Not applicable . BOOKMAN-EDMONSTON ENGINEERING, INC. 3-25 0:\LOCAlRESIANDYSISAUNlT'NUNE98--217SECT3.DOC 07120/9810:59 AM Section 3 Evaluation of Potential Regional Salinity Management Strategies