65B - PROPOSED WATER AND SEWER RATE ADJ

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WATER RATE STUDYJ City of Santa Ana, CA LIST OF FIGURES Figure ES - 1: Distribution of Pipe Materials by Install Decade ............................................. ............................... 3 Figure ES - 2: Criticality Heat Map Graphic by Cost and R &R Strategy Groups .............. ............................... 5 Figure ES - 3: Projected Revenues and Revenue Requirements - Status Quo [*] .......... ............................... 7 Figure ES - 4: Monthly Single Family Residential Bills (5/8" meter and 15 HCF usage) - Rates as of October25, 2014 ............................................................................................................................. .............................13 Figure - 1: Distribution of Pipe Materials by Install Decade ................................................... .............................24 Figure - 2: Distribution of Breaks by Pipe Material and Install Decade ............................. .............................24 Figure - 3: Age of Pipe at Time of Break by Material ................................................................. .............................26 Figure - 4: Criticality Heat Map Graphic by Cost and R &R Strategy Groups .................... .............................28 Figure - 5: Map of City-owned Mains color -coded by Strategy Group ( A- Z) .................... .............................30 Figure - 5: Projected Revenues and Revenue Requirements - Status Quo: No Revenue Increases [ *] Figure - 6: Water Cost of Service Concepts .................................................................................... .............................42 Figure - 7: Monthly Single Family Residential Bills (5/8" meter and 15 HCF usage) - Rates as of October25, 2014 ............................................................................................................................. .............................61 Figure A - 1: Annual Capital Asset R &R Needs for Water and Sewer Assets over 30 -Yr Period ........... 73 Figure A- 2: Annual Capital Asset R &R Needs for the Water System .................................. .............................74 Figure B - 1: Example Risk Heat Map Graph Relating PoF and CoF Scores ...................... .............................79 Figure B - 2: Water Mains Material by Miles and Percentages .............................................. .............................80 Figure B- 3: Map of Water Mains Color -Coded by Pipe Material .......................................... .............................81 Figure B -4: Water Pipe Diameters by Miles Installed .............................................................. .............................82 Figure B- 5: Map of Water Mains Color -Coded by Pipe Diameter ........................................ .............................83 Figure B - 6: Annual and Cumulative Miles of Installed Pipe by Year ................................. .............................85 Figure B - 7: Map of Water Mains Color -Coded by Pipe Install Decade ............................. .............................86 Figure B - 8: Water Mains by Install Decade and Pipe Material ............................................ .............................87 Figure B - 9: Water Mains by Mipe Diameter and Material ..................................................... .............................89 Figure B - 10: Water Main Breaks by Pipe Install Decade and Material ............................ .............................90 Figure B - 11: Map Showing the Distribution of Water Mains and Breaks based on Pipe Installation Decade................................................................................................................................................. .............................91 Figure B - 12: Map Showing Water Mains and Breaks based on Pipe Material (All Pipe Materials)..93 Figure B - 13: Map Showing Water Mains and Breaks based on Pipe Material (Asbestos Concrete only) ..................................................................................................................................................... .............................94 Figure B - 14: Map Showing Water Mains and Breaks based on Pipe Material (Cast Iron only) .......... 95 Figure B- 15: Number of Breaks per Mile by Decade Pipe Installed and Material ........ .............................96 NOVEMBER 2014 65B -11