The Sanitation Districts clean the wastewater of over 5 million people and turn it into resources 24 hours a day, 7 days a week, 365 days a year. Through the operation of 11 wastewater treatment facilities, …

LA Sanitation & Environment (LASAN) is responsible for operating and maintaining one of the world’s largest wastewater collection and treatment systems.

Wastewater is all used water from domestic households, commercial facilities, industrial institutions, agriculture activities such as irrigation, urban surface runoff and stormwater. Wastewater is also …

Wastewater (or waste water) is water generated after the use of drinking water, fresh water, raw water, or saline water in a variety of deliberate applications or processes. [1]: 1 Another definition of …

Los Angeles’ sewer system is completely separate from its storm drain system. The following is a summary of the wastewater collection and treatment facilities currently operated by the Department …

In 2018, Governor Brown signed Senate Bill 1215 (SB 1215) into law, establishing funding and the regulatory framework for a statewide Wastewater Consolidation Program to facilitate the …

Secondary Treatment: Here, microorganisms breakdown and remove remaining waste and other small particles, further purifying the water and improve the amount of wastewater solids removed by the …

Dec 17, 2025 · Wastewater detection of norovirus has increased. How long do you have to deal with its less than pleasant symptoms?

Wastewater treatment protects human and ecological health from waterborne diseases. Since the early 1970s, effluent water quality has improved at Publicly Owned Treatment Works (POTWs) and other …

We operate one of the largest wastewater recycling programs in the world. Our facilities significantly reduce dependence on costly imported water by replenishing the groundwater in the Los Angeles …