2025 P3S Conference Wrap-up

California's Pretreatment Professionals Gather in San Jose

Announcements

“The CWEA P3S conference is the only place where you will find 300 of your colleagues sharing ideas and learning about the very important Pretreatment, Pollution Prevention and Stormwater inspection work.” – P3S25 Attendee

CWEA’s 52nd Annual Pretreatment, Pollution Prevention, and Stormwater Conference brought together water professionals from across the state for another year of learning, collaboration, and innovation. This year’s event took place at the historical Hayes Mansion in San Jose.

Thank you to all the attendees, speakers, and exhibitors who made this year’s event a success. Looking forward to seeing everyone at next year’s conference!

P3S25 by the Numbers

• 395 attendees
• 275 agencies and firms represented
• 23 participating exhibitors
• View the conference photo album

The Winners Circle

Order of the Silver Cover

Michael Placencia from Colorado River Basin Regional Water Quality Control Board and Chuck Durham, PG Environmental were honored with the P3S Committee’s distinguished Order of the Silver Cover.

Pretreatment Facilities of the Year

Southern California 2024 Awards:

1. Aquarium of the Pacific – Long Beach, CA – Facility of the Year, small category
2. Frito-Lay North America – Facility of the Year, large category
3. Pomona Valley Transfer Station – Pomona, CA – Certificate of Merit, small category
4. Boeing C13 Emergent Operations – Huntington Beach, CA – Certificate of Merit, large category

Northern California 2024 Awards:

1. Lace House Linen Supply – Petaluma CA – Facility of the Year, large category
2. APCT, Inc. – Santa Clara, CA – Certificate of Merit, large category

Interested in nominating an outstanding organization for a CWEA Facility of the Year Award. Click here on how to nominate a deserving company and please spread the word – applications open in July.

P3S Grant Recipients

Jefferson Elementary School’s sustainability club- “Recycling for a Better Tomorrow” recycling program

T’Essence Minnitee with Nature For All and Parks Project Eco Trivia Series– hosting a quarterly eco focused trivia night

Jurupa Community Service District– Butterfly Meadows, an educational showcase using native plants for supporting local ecosystems, reducing runoff, and filtering pollutants.

California Marine Sanctuary Foundation– a select group of students attended the 2025 ECO Farm Conference then shared the knowledge gained on various platforms including the FARMS annual Symposium

Thank You P3S25 Exhibitors

Thank You P3S25 Sponsors

Thank You P3S25 Door Prize Sponsors