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Sewer Rate Schedules for FY 17-18 Through FY 20-21 

Please note this is the rate schedule prior to the inflation rates. Each year an inflamtion adjustment is made and the most current rates can be found on the postcard mailed to all residents. 


                                           FY 17-18     FY 18-19     FY 19-20     FY 20-21 

Base Sewer Sys Chrg   $959.68       $1,152.90      $1,241,28     $1,328,44 (per DU or EDU) 

Usage Chrg                     $23.01           $27.64          $29.74         $31.82 (per  CCF of winter water use) 



  • DU/EDU: dwelling unit / equivalent dwelling unit
  • CCF: centum cubic feet (100 cubic feet of lowing water)
  • Winter Water Usage: sum of 4 months of CCFs from December - March (see your MMWD bill)
TCSD Approved Sewer Rates as of July 1, 2017.pdf2017-2 Sewer Rate Increase


To calculate your usage charge take your Winter water useage from you MMWD bill and multiply by the usage charge listed above.

To calculate total annual bill, take the base sewer system charge for each dwelling unit plus that with dwelling unit's usage charge.

If you have further questions about your account, please contact the district office (415) 388-6393.