Palo Alto City Council
October 20, 2025

Attachment B - Partner Agencies Cost Share Summary for Construction Phase (Revised October 2025) Agency Fixed Cost Share %Initial Estimated Project
Cost (2023)
Estimated Cost
Aug 2025
Current Project
Increase Cost
Estimated Cost
Oct 2025
City of Mountain View 62.50% $4,398,734 $4,808,985 $0 $4,808,985 City of Palo Alto 18.24% $1,283,727 $1,403,454 $0 $1,403,454 City of Los Altos 15.00% $1,055,696 $1,154,156 $0 $1,154,156 Town of Los Altos Hills 4.26% $299,818 $327,780 $0 $327,780 Subtotal: 100.00% $7,037,975 $7,694,376 $0 $7,694,376
Agency Estimated Cost
Share %
Initial Estimated Project
Cost in (2023)
Estimated Cost
Aug, 2025
Current Project
Increase Cost
Estimated Cost
Oct 2025
City of Mountain View 40.11% $760,885 $1,524,000 $393,000 $1,917,000 City of Palo Alto 34.97% $663,379 $1,371,000 $367,000 $1,738,000 City of Los Altos 10.88% $206,393 $404,000 $100,000 $504,000 Town of Los Altos Hills 2.04% $38,699 $77,000 $20,000 $97,000 East Palo Alto Sanitary District 5.53% $104,904 $212,000 $56,000 $268,000 Stanford University 6.47% $122,736 $246,000 $64,000 $310,000 Subtotal: 100.00% $1,896,995 $3,833,000 $1,000,000 $4,834,000 Agency Overall Project Cost
Share %
Initial Estimated Project
Cost (2023)
Estimated Cost
Aug, 2025
Current Project
Increase Cost
Estimated Cost
Oct 2025
City of Mountain View 57.75% $5,159,619 $6,333,000 $393,000 $6,726,000 City of Palo Alto 21.79% $1,947,106 $2,774,000 $367,000 $3,141,000 City of Los Altos 14.13% $1,262,089 $1,558,000 $100,000 $1,658,000 Town of Los Altos Hills 3.79% $338,516 $405,000 $20,000 $425,000 East Palo Alto Sanitary District 1.17% $104,904 $212,000 $56,000 $268,000 Stanford University 1.37% $122,736 $246,000 $64,000 $310,000 Total, Not-to-Exceed: 100.00% $8,934,970 $11,528,000 $1,000,000 $12,528,000 Table B-3: Not-to-Exceed Cost for Partners during Construction (Sum of Table B-1 and B-2) Table B-1: Project Costs during Construction (Less Bypass Pumping Inside The Plant) Table B-2: Cost for Bypass Pumping during Construction inside The Plant