**Appendix A**

**Figure A1.** The MWQI program organization structure includes CDWR management, CDWR program participants, and participating urban water agencies.

**Figure A2.** Delta island drainage DOC values used in DSM2 [133]. The islands are divided into three groups, each corresponding to specific ranges in DOC (low, medium, and high).

**Figure A3.** Survey results from 14 water contractors on how they use MWQI real time and forecast data in their regular operations.

**Table A1.** SWP Watershed Sanitary Surveys.


**Figure A4.** Sacramento River at Hood Real-Time Monitoring Station.

