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In February 2009, the State Water Resources Control Board (SWRCB) adopted Resolution No. 2009-0011, which established a statewide Recycled Water Policy. The Recycled Water Policy encourages increased use of recycled water and local stormwater, together with enhanced water conservation. These supplies are drought-proof, reliable, safe, and sustainable over the long-term. Recognizing that some groundwater basins contain concentrations of salts and nutrients (S/Ns) that exceed or threaten to exceed water quality objectives (WQOs) established in the applicable Regional Water Quality Control Board (RWQCB) Water Quality Control Plans (Basin Plans) and that recycled water can contribute S/N loading to groundwater, the Recycled Water Policy requires local water and wastewater entities, together with local S/N contributing stakeholders to develop a Salt and Nutrient Management Plan (SNMP) for each groundwater basin in California. The goal of the SNMP is to provide the rationale for streamlined permitting of new recycled water projects, while managing S/Ns from all sources on a basin-wide or watershed-wide basis in a manner that ensures attainment of WQOs for protection of beneficial uses" -- Executive summary. Table of contents: 1. Introduction -- 2. Stakeholder process -- 3. Hydrogeologic conceptual model -- 4. Existing groundwater quality and assimilative capacity -- 5. General methodology for water and salt and nutrient balances -- 6. Baseline water balances -- 7. Baseline salt and nutrient balances -- 8. Spreadsheet mixing model calibration, sensitivity and uncertainty -- 9. Goals and objectives/future planning period water and salt and nutrient balances -- 10. Anti-degradation analysis -- 11. SNMP monitoring program -- 12. Conclusions and recommendations -- 13. References -- Appendix A. Aquifer parameters -- Appendix B. Water quality analysis methodology -- Appendix C. Other important groundwater quality studies -- Appendix D. Baseline water balances -- Appendix E. Spreadsheet mixing model calibration, sensitivity and uncertainty -- Appendix F. Planning document goals and objectives -- Appendix G. Groundwater quality monitoring plan for the Santa Clara and Llagas Subbasins / prepared by Randy Behrens, George Cook, Henry Barrientos, Santa Clara Valley Water District, Groundwater Monitoring and Analysis Unit, November 2014 -- Appendix H. South Santa Clara County recycled water/groundwater monitoring plan / prepared by Randy Behrens, Henry Barrientos, Santa Clara Valley Water District, Groundwater Monitoring and Analysis Unit, June 2012 -- Appendix I. Programs, projects and plans affecting salt and nutrient management -- Appendix J. Central Coast Regional Water Quality Control Board salt and nutrient management plan and technical memoranda comments and Santa Clara Valley Water District responses.
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