Sewer Backup Prevention Contact Information and Resources


To report public sewer backups into dwellings or the street, call the Sanitation Districts at (562) 437-6520 or
(562) 437-1881 at any hour. Staff is available day and night to check the main sewer line. If the blockage is in your sewer pipes, you will need to call a plumber to clear the line. The Sanitation Districts do not pay for improvements or repairs made to private properties.


EPA - What Can You Do to Protect Local Waterways?

L. A. County Department of Public Works (DPW) - Trap the Grease - Do's and Don'ts of FOG

Know What 2 Flush

NACWA - Flushable Wipes and Other Non-Dispersible Products

No Drugs Down the Drain

L. A. County DPW - What is a sewer backwater valve?