To report odors, call

On the web...
Submit an online form, and a crew will be dispatched to investigate the odor complaint and will correct the problem as quickly as possible. Click HERE.
On the phone...
For assistance 24 hours, in English or Spanish,
call toll-free
866-44 SEWER
(1-866-447-3937)
To report treatment plant related odors, call:
Hyperion Treatment Plant
(310) 648-5856
Terminal Island Treatment Plant
(310) 732-4702
Donald C. Tillman Water Reclamation Plant
(818) 778-4125
Los Angeles-Glendale Water Reclamation Plant
(213) 972-1325
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