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Element 1 – Goal and Introduction <br /> <br />City of Pleasanton Sewer System Management Plan, July 2025 6 <br />Table 1–6: Sewer System Siphon Assets <br />Siphon Location Construction <br />Date <br />Number of <br />Siphon Barrels <br />Length Linear <br />Feet1 <br />Size <br />Inches <br />Pipe <br />Material <br />S-5 Laguna Vista Siphon 1988 1 200 10 VCP <br />S-8 Siphon 1968 2 400 14 MJCIP <br />Meadowlark Siphon-1 1968 1 588 8 PVC <br />Meadowlark Siphon-2 2018 1 784 8 MJCIP <br />Highland Oaks Siphon 1965 2 280 10, 14 CIP <br />Amberwood Siphon 1986 2 360 8 DIP <br />Nobhill Siphon 1966 2 400 8 DIP <br />Laguna Creek Siphon 2002 2 620 8 DIP <br />West Las Positas Siphon 1968 2 350 10 VCP <br />Total, Linear Feet: 3982 <br />Total, Miles: 0.75 <br />1Total length of siphon pipes for multiple-barrel siphons. <br />Table 1–7: Sewer Service Connections <br />Service Connection Type Number Percentage of System <br />Residential 19,617 93.3% <br />Multi Family 425 2.0% <br />Commercial 954 4.5% <br />Industrial 3 0.1% <br />Institutional 16 0.1% <br />Total 21,015 100% <br />1.4: References <br />• WDR Attachment D – Section 1 <br />