Sanitation Districts of Los Angeles County
1955 Workman Mill Rd.
P.O. Box 4998
Ph: (562) 699-7411
After Hours: (562) 437-6520
Fx: (562) 699-5422
The sewer system that serves the City of Signal Hill is now owned and maintained by the Sanitation Districts of Los Angeles County
. View the company's website to find services, projects, and other information pertaining to sewer operations in Signal Hill.