About Sewer Maintenance
Providing sewer maintenance services to protect the public and the environment.
Our Goals:
- Reduce sewer overflows
- Protect public health
- Protect the environment
- Keep the people of LA County thriving in a safe, clean and sustainable environment
Learn About Our Services
News & Announcements

Let’s connect!
View a list of outreach events that Public Works will be attending to talk about our services and the rate increase.
Our Service Area

2,000,000+
PEOPLE

500,000+
PARCELS

4,600
MILES OF SEWER PIPE

38
CITIES*

4
TREATMENT PLANTS
*Excludes 3 contract cities
Consolidated Sewer Maintenance District (CSMD)
Agoura Hills
Carson
Hawaiian Gardens
Lakewood
Marina Del Rey**
Rolling Hills
South El Monte
Artesia
Commerce
Hidden Hills
La Mirada
Montebello
Rolling Hills Estates
Temple City
Bellflower
Cudahy
Industry
Lawndale
Palos Verdes Estates
Rosemead
Walnut
Bell Gardens
Diamond Bar
Irwindale
Lomita
Paramount
San Dimas
West Lake Village
Bradbury
Durate
La Canada Flintridge
Malibu
Pico Rivera
Santa Clarita
West Hollywood*
Calabasas
Glendora
La Habra Heights
Maywood
Rancho Palos Verdes
Santa Fe Springs
And 89 other unincorporated communities
*Limited services on a contract basis
**Marina Del Rey Sewer Maintenance District
Explore Our Services
Los Angeles County Public Works provides many essential services to the community, including ongoing sewer maintenance which protects public health and the environment and keeps our communities safe. These services include routine sewer mainline cleaning, closed-circuit television assessment of sewer mainline condition, emergency repair of existing sewer infrastructure within the District, and sewer overflow response, containment, and stoppage removal.
Discover Our Programs

TRAP THE GREASE
Join the Consolidated Sewer Maintenance District in the fight against sanitary sewer overflows (SSO’s). Being a part of the solution is as easy as following some standard practices around the kitchen.

CONDITION ASSESSMENT PROGRAM
We perform closed-circuit television (CCTV) inspections and rate the structural integrity and maintenance condition of approximately 500 miles of sewer infrastructure each year.

SPILL RESPONSE
Protect your community by reporting sewer spills right away – our rapid response team is available to contain hazards and prevent environmental damage. Learn what to look for, when to call, and how we’ll help resolve the situation safely and efficiently.

SEWER CLEANING
Our dedicated maintenance crews work year-round to keep sewer lines flowing smoothly, using advanced cleaning techniques and preventive maintenance to protect your neighborhood from blockages and backups. Learn about how our cleaning program prevents problems before they start.
