SYP Webinar: Indirect and Direct Potable Reuse: Regulatory Differences and Lessons Learned
Recorded On: 10/17/2024
- Registration Closed
In this complimentary webinar learn how Southern California has long been a leader in sustainable water management, pioneering potable reuse (IPR and DPR) solutions. Since the 1990s, IPR has set the standard for innovative water management, and with the recent approval of California’s DPR regulations, new opportunities have emerged to diversify local water supplies. This presentation will review key regulations, share lessons learned from successful IPR projects, and highlight case studies from the San Diego region. Attendees will gain valuable insights to help implement best practices and prepare for future challenges in both indirect and direct potable reuse.
Learning Objectives/Attendee Takeaways:
1. Understand the key regulations governing IPR and DPR projects in California.
2. Learn from case studies and insights gained from potable reuse projects in Southern California.
3. Identify best practices and strategies for implementing both IPR and DPR systems.
4. Anticipate challenges and explore innovative solutions for future potable reuse projects.
5. Discuss the potential future impacts and technological advancements in DPR projects.
Brandon Bushnell
Water Resource Control Engineer
San Diego Regional Water Quality Control Board
I graduated from San Diego State University with a degree in Environmental Engineering in 2018. Starting as a student intern at the San Diego Regional Water Quality Control Board in 2016, I transitioned to a full-time staff role upon graduation. I have extensive experience in permitting and regulatory oversight across various facilities, including onsite wastewater treatment systems, confined animal facilities, and wineries. My primary expertise lies in the regulation of non-potable recycled wastewater projects. Currently, I am one of two staff members responsible for permitting all recycled water projects in the region, including both Indirect Potable Reuse (IPR) and some Direct Potable Reuse (DPR) projects.
Lauren Bray
Senior Associate
Brown and Caldwell
Lauren Bray is a skilled water reuse engineer with extensive experience in Southern California DPR and IPR projects. She served as project engineer for the Pure Water San Diego program, where she compared DPR and IPR alternatives and is helping design the Central Area Small Scale Facility (CASSF), set to launch in 2025. Lauren also contributed to Santa Monica’s Arcadia Design Modifications project, exploring DPR solutions with existing infrastructure. As task order lead for the Metropolitan Water District’s PWSC program, she develops design standards for IPR and DPR facilities. Known for her innovative, collaborative approach, Lauren excels at creating DPR treatment trains that meet regulatory requirements while addressing unique water quality conditions, ultimately delivering sustainable water reuse solutions.
Iris Yuen (Moderator)
Student Young Professional Committee (SYP) Vice Chair
CDM Smith
Iris Yuen, an Environmental Engineer with the CWEA San Francisco Bay Section, has been serving as Vice Chair of the Student and Young Professional (SYP) Committee since 2024. With over two years of experience in the wastewater industry, Iris has been involved in wastewater and lead service line replacement projects across California, Connecticut, and Wisconsin. Her commitment lies in bridging the gap between academic studies and professional practice, empowering the next generation of water and wastewater professionals.
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