Los Angeles County Sanitation Districts

Los Angeles County Sanitation Districts The Sanitation Districts protect public health and the environment through innovative and cost-effec

The Sanitation Districts function on a regional scale and consist of 24 independent special districts severing about 5.5 million people in Los Angeles County. Our service area covers approximately 850 square miles and encompasses 78 cities and unincorporated county areas. Approximately 1,410 miles of sewers, 48 active pumping plants, and 11 wastewater treatment plants convey and treat about half the wastewater in Los Angeles County. Our solid waste facilities meet about one-fourth of the countywide solid waste management needs. We operate two active and four closed sanitary landfills, three landfill energy recovery facilities, three materials recovery/transfer facilities, one recycle center, and participate in the operation of two refuse-to-energy facilities. In 2014, the Sanitation Districts produced over 102,000 acre-feet of recycled water, which is reused at more than 750 sites. We now produce more recycled water that is beneficially reused than any other single recycled water producer in the United States. The Sanitation Districts also recycled over 43,000 tons of commodities. And our wastewater and solid waste operations generate approximateoly 120 megawatts of electricity - enough meet the power needs of about 160,000 Southern California homes.

09/11/2026

📝 School’s in session! 📚 Today’s Districts Word of the Day is SHORING.

In construction, shoring is a temporary support system used to keep excavations and structures stable while work is underway. It helps protect crews as they maintain and improve critical Sanitation Districts infrastructure.

Follow along for more words from the work we do every day.

Back to school means new opportunities to bring environmental education into the classroom.Through the Clean Water Works...
09/11/2026

Back to school means new opportunities to bring environmental education into the classroom.

Through the Clean Water Works Education Foundation Clean Water Works Education Foundation students can explore water, wastewater, science, and environmental stewardship through engaging educational programs and resources.

Educators and school leaders can learn more about available programs and find opportunities for their students at www.cwwef.org

Today, we pause to honor the memory of the heroes, first responders, and lives lost on September 11, 2001.
09/11/2026

Today, we pause to honor the memory of the heroes, first responders, and lives lost on September 11, 2001.

Happy Labor Day! Our offices are closed today in observance of the holiday. We would like to express our gratitude to ou...
09/07/2026

Happy Labor Day! Our offices are closed today in observance of the holiday. We would like to express our gratitude to our staff for their dedicated effort in protecting public health an the environment. Your hard work is truly appreciated! 👏👏👏

Bixby Marshland is free and open to the public Saturday, September 5, 2026 from 8 am to 12 pm noon.Come and enjoy: 🌷Peac...
09/04/2026

Bixby Marshland is free and open to the public Saturday, September 5, 2026 from 8 am to 12 pm noon.
Come and enjoy:
🌷Peaceful Nature Walk
🦉Wildlife Watching
🪷Beautiful Scenery
No reservations are required: look for the black gate located near the southwest corner of Sepulveda and Figueroa (the nearest address is 24501 S. Figueroa Street). We hope to see you there!
Sorry, no pets allowed.

This Saturday, 8/29/26 in   ! Join the Sanitation Districts and Los Angeles County Public Works for a Household Hazardou...
08/27/2026

This Saturday, 8/29/26 in ! Join the Sanitation Districts and Los Angeles County Public Works for a Household Hazardous & Electronic Waste Drive-Thru Collection. This event is FREE and open to ALL LA County residents
You do not need to leave your car! Just drive up and we’ll handle the rest!

Location:
LA County Public Works Headquarters
900 South Fremont Avenue, enter from Orange St.
Alhambra, California 91803

Safely dispose of items like:
Paints & solvents, cleaners, oils
Sharps
Old microwaves, tv set, and batteries

¡Este sábado, 29 de agosto 2026 en ! Únete a los Distritos Sanitarios y al Departamento de Obras Públicas del Condado de Los Ángeles para una colecta tipo “drive-thru” de residuos domésticos peligrosos y residuos electrónicos. Este evento es GRATIS y está abierto a TODOS los residentes del condado de Los Ángeles
¡No necesitas salir de tu auto! ¡Solo acércate en tu auto y nosotros nos encargamos del resto!

Lugar:
Oficinas de Obras Públicas del condado de Los Ángeles
900 South Fremont Avenue, entrada por la calle Orange
Alhambra, California 91803
Deshazte de manera segura de artículos como:
Pinturas y solventes, limpiadores, aceites
Objetos punzantes
Microondas viejos, televisores, baterías

We welcomed the Whittier Area Chamber of Commerce to the Sanitation Districts for their Wake Up Whittier event.Whittier ...
08/20/2026

We welcomed the Whittier Area Chamber of Commerce to the Sanitation Districts for their Wake Up Whittier event.

Whittier City Council Member and Los Angeles County Sanitation District No. 2 Chairperson Catherine Warner and Sanitation Districts’ Assistant Chief Engineer & Assistant General Manager Martha Tremblay opened the meeting with welcoming remarks. As part of their visit, Chamber members had the opportunity to tour the San Jose Creek Water Reclamation Plant, where they got a firsthand look at the wastewater treatment process and how we convert waste into resources.

Thank you to the Whittier Area Chamber of Commerce for the opportunity to connect with local businesses, schools and community organizations.

August is National  , highlighting the importance of clean water and protecting our natural water resources.At the Sanit...
08/14/2026

August is National , highlighting the importance of clean water and protecting our natural water resources.

At the Sanitation Districts, our treatment plant laboratories analyze samples and provide critical data that support wastewater treatment, regulatory compliance and water quality monitoring, helping protect public health and the environment.

Take a behind-the-scenes look inside the San Jose Creek Laboratory, one of our 11 treatment plant laboratories, to see how science supports the essential services we provide every day.

Take a behind-the-scenes look inside the San Jose Creek Laboratory ...

08/13/2026

Thank you to everyone who joined us for the inaugural Clean N Green Festival at the A.K. Warren Water Resource Facility!💧
We loved welcoming the community for a day of facility tours, hands-on activities, STEM learning, big trucks, giveaways, and more. We hope everyone walked away with a better understanding of how we protect public health and the environment.
A special thank you to our event partner City of Carson, CA our sponsors, community partners, exhibitors, volunteers, and staff who helped make the event possible.
Most importantly, thank you to our community members who came out and spent the day with us. We hope to see you again next year!

Thank you to everyone who joined us for the inaugural Clean N Green Festival at the A.K. Warren Water Resource Facility!...
08/13/2026

Thank you to everyone who joined us for the inaugural Clean N Green Festival at the A.K. Warren Water Resource Facility!
We loved welcoming the community for a day of facility tours, hands-on activities, STEM learning, big trucks, giveaways, and more. We hope everyone walked away with a better understanding of how we protect public health and the environment while converting waste into valuable resources.

A special thank you to our partner the City of Carson, CA, our sponsors, community partners, exhibitors, volunteers, and staff who helped make the event possible.

Most importantly, thank you to our community members who came out and spent the day with us. We hope to see you again next year! 💚

All Photos from Clean N Green Festival can be found here: https://lacsd.canto.com/b/V8AAV

Address

1955 Workman Mill Road
Whittier, CA
90601

Opening Hours

Monday 7am - 5pm
Tuesday 7am - 5pm
Wednesday 7am - 5pm
Thursday 7am - 5pm
Friday 7am - 5pm

Telephone

+15629084288

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