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Maintenance of the City’s Public Sewer System

The City contracts with LA County Sewer Maintenance Division (SMD) for the maintenance of its sanitary sewer system.

To report a sewer spill, foul odors, or rodent problems from a public sewer, call:
(800) 675-4357  or   (626) 458-4357  (24 hours/day; 7days/week)

LA County Sewer Maintenance Division
       •   Annual Report
       •   Maintenance & Operations Manual

Mapping of the City’s Public Sewer System

  • Click here for interactive maps of City sewer facilities, and to locate sewer pipe identification numbers:
  • To search record drawings and locate the approximate location of private sewer laterals, contact:
    • Building & Safety.................................. (661) 255-4935
    • Engineering Services............................ (661) 255-4942


  • Sewer Mains (Engineering Services Division):
    • LA County Sewer Design Manual
    • City standard AutoCAD templates  (coming soon)
    • Reimbursement District – establishment information (coming soon)
  • Private Sewer Laterals (Building & Safety)  (coming soon)
  • Septic Systems


Regulations for Design and Maintenance of Sanitary Sewer Systems

Sanitary Sewer Management Plan