The Joint Water Pollution Control Plant was the Los Angeles County Sanitation Districts’ largest treatment plant and provides service for 5 million people. For several years, Sanitation Districts’ leadership had considered changing the plant’s name to better reflect the services the plant now provides. With 2023 being the agency’s centennial, they decided now was the...

House Transportation & Infrastructure Committee hearing chaired by Congresswoman Grace F. Napolitano from California’s 32nd District. Streamed live on Sep 20, 2022, a hearing on “The Clean Water Act at Fifty: Highlights and Lessons Learned from a Half Century of Transformative Legislation.”

After the first World War, the population in the Los Angeles region began to grow at a rapid rate requiring a regional sewer system and infrastructure overhaul. The County Sanitation Districts of Los Angeles County (CSDLAC) was formed in 1923 when the “County Sanitation District Act” was adopted by the State Legislature. At this time,...

Ms. Morgan is Guest Editor of the Clean Water magazine’s special edition celebrating the 50th anniversary of the Clean Water Act. View the online edition here. When the Clean Water Act was passed, rivers were catching on fire and there was little in the way of Federal regulations in place to protect the environment for...

Perhaps more than anyone else in the clean water profession, Dan Cortinovis, P.E., has been directly affected by the passage of the Clean Water Act. His tenure in our industry dates back to 1967 when he was trained by the U.S. Air Force to operate the treatment plant at the air base in Merced where...

It’s no coincidence that the Clean Water Act (CWA) and the Office of Water Programs (OWP) are both celebrating 50th anniversaries in 2022. The CWA set the stage for the development of OWP’s robust training and research programs that serve many disciplines and communities in the water sector. OWP continues to expand and adapt to...

In 2010, the Sacramento Regional County Sanitation District (Regional San) faced a daunting task—upgrading its wastewater treatment process to tertiary to meet new National Pollutant Discharge Elimination System (NPDES) permit requirements. That meant removing nearly all ammonia and nitrates from more than 100 millions of gallons of wastewater received every day. To meet the requirements,...

The CWEA History Committee’s Mission Statement, like all good mission statements, provides the Committee with a basis for developing and organizing its various tasks each year.  Our Mission is: “To collect publications and articles, photographs, and other memorabilia of the Association, sections, committees, programs and Leaders. The Committee will organize, catalog and archive materials. Also,...

Part I of this series presented the history of the development of the City of Pasadena’s Tri City Sewage Treatment Plant (1887 to 1924) to provide the background and need for an updated regional treatment facility.  In summary, the development of the Tri City Plant was driven by the pressures of growth and development around...

Note: this is a first part of a series on the City of Pasadena’s Tri-City treatment plant and the CSWA.  Part I provides the background on how the plant was developed.  Part II will provide information on the CSWA conference tours, the plant-of-the-year award, and  technical presentations related to the Tri-City treatment plant. The history...

The CWEA History Committee was recently asked for the dates of the various name changes that our Association has adopted over the years. The initial question generated two more “naming” questions: what were the Association’s prior names and why were the changes made?  Answering the prior names question was easy – CWEA started out as the California Sewage Works Association (CSWA), transitioned to the California Sewage and Industrial Wastes Association...

While an association’s name is its primary element of branding, its logo is the visual representation of the association’s identify. The logo provides a means to quickly identify the association and its services. The logo should be created with visual tone and appeal that is linked strategically to the association’s mission and “story”. The current...

The Significance City of Lodi’s 1923 Sewage Treatment Plant The CWEA History Committee published an article in the winter 2017 edition of the CWEA Wastewater Professional documenting the centennial of the use of the activated sludge process in California (1917-2017). As discussed in the article, the adoption of the activated sludge process by California utilities...

As many of you know, I am an old guy when it comes to environmental laboratories. To put it in perspective, the 13th edition of Standard Methods was in; the hip new thing was flame AA; and there were only 6 pesticides and 2 herbicides in the world. Both the Safe Drinking Water and Clean...

When I was a youngster growing up in Los Angeles, my family had a neighbor and friend who was an engineer working for the City of Los Angeles.  “Bud”, as he liked to be called, told a story of how one of the main sewers in Los Angeles was inspected by boat.  He described how...

“The 1935 Laguna Beach Sewage Treatment Plant is a significant surviving public works facility from a community that greatly upgraded its infrastructure in the 1930’s with New Deal assistance to accommodate projected growth.The town could not become the popular artistic and tourist destination without this facility.The facility design, intended to blend with the romantic geography...

The CWEA History Committee’s “Forgotten Facilities” series highlights historically significant California wastewater treatment plants that are connected to the history of our Association. So far, the treatment plants in the series have been decommissioned, repurposed, or demolished, thus the “Forgotten Facilities” title. The wastewater treatment plants documented by the History Committee are notable for being...

The CWEA History Committee produces articles about the people, programs and plants that are significant to the history of our Association. In this edition of Clean Water, we will highlight one of CWEA’s most popular and visible awards – the California Chapter of the Select Society of Sanitary Sludge Shovelers (CWEA 5-S). The Select Society...

In the mid-1920’s, with the Metropolitan Water District of Southern California just forming and the Colorado River water supply not yet secured, the LADWP recognized that its water supplies would be outstripped by the rapid growth and development of Los Angeles. In late 1929, because of the forecast water demands, LADWP officials decided to pursue...

by Joe Haworth (as published in the Winter CWEA Bulletin 1996) That’s right! Members of the Select Society of Sanitary Sludge Shovelers for the California Water Environment Association can proudly proclaim that American icon, Rube Goldberg, is a member and a colleague. Mr. Goldberg, a well known cartoonist famous for gadgets and strange looking machinery,...

The CWEA History Committee recently had the good fortune of acquiring a 1943 CSWA Annual Convention and Conference program from the estate of the late Roy E. Ramseier, consulting engineer and longtime member of CWEA.  In 1943, Mr. Ramseier was serving as Senior Sanitary Engineer, Pacific Division of the U.S. Engineering Department and was actively...

In keeping with the October Wastewater Professional theme of “Women in Water,” the CWEA History Committee has produced a brief profile of a woman who was a pioneer in the history of CWEA’s governance. Background Historically, the wastewater collection and treatment field in California was dominated by men through most of the 20th century.  And,...

“The CWEA has divided the state into 17 geographical Local Sections to accommodate its members’ needs across the State in a local format. Local Sections are grouped into two regions, Northern and Southern, and have quarterly Regional Committee meetings to discuss regional or statewide issues, and to share information with other Local Sections. Each CWEA...

The landmark Groundwater Replenishment System (GWRS) began operation in January, 2008. Located in Fountain Valley the facility is operated by the Orange County Water District (OCWD) using secondary effluent produced by the  Orange County Sanitation District (OCSD). State-of-the-art technologies including microfiltration, reverse osmosis and ultraviolet disinfection are used to produce up to 70 million gallons...

2018 marks the 90th anniversary of the founding of the California Water Environment Association and the CWEA History Committee is counting down to the 2028 CWEA Centennial.  To mark our 90th year, the CWEA History Committee has compiled some CWEA “founding facts.” AWWA and the Founding of CWEA – 1928 Did you know the American...

Did you know that CWEA’s second President was an early leader in the field of collection system maintenance? The CWEA History Committee uncovered this little-known fact when we started documenting our early Association leaders. The CWEA History Committee introduced its “Past President Project” in the January 2015 issue of the Wastewater Professional. The goal of...

100 Years of Activated Sludge in California 1917-2017 This article describes some of the research process into the history and development of the activated sludge process in California.  This research will be used for a paper that discusses the history of the activated sludge process in California from 1917 to 2017.  If you have additional...