Chino Basin Watermaster

Todd Corbin joined Chino Basin Watermaster in April, 2024. As General Manager, Mr. Corbin is charged with serving the Watermaster Board and leading the organization in the implementation of the basin's Judgment and subsequent agreements. He is also a key liaison to outside agencies and for communications between Watermaster Pool Committees.

With a career spanning 34 years, Mr. Corbin's depth of experience is in public utilities, finance, and executive leadership. In his most recent capacity since 2018 as the Utilities General Manager for the City of Riverside, Mr. Corbin led the City's team of over 600 professionals in both water and electric utilities serving a population exceeding 300,000 residents. He provided valuable strategic leadership in planning, management, and expansion of the City's water rights to produce 85,000 acre-feet of local groundwater supplies and expansion of its renewable energy portfolio.

Prior to his tenure in Riverside, Mr. Corbin served two agencies in the Chino Basin. As the General Manager of the Jurupa Community Services District for more than 6 years, he grew the provision of essential public services - including water, wastewater, parks and recreation, and street lighting - to communities recognized as among the fastest-growing in Riverside County and Southern California. A highlight for Mr. Corbin during this tenure was the negotiation and settlement of a significant litigation over allocation of regional wastewater treatment capital costs and the 2017 settlement for the recalculation of Chino Basin safe yield.

Mr. Corbin also worked over a 12-year period at the Cucamonga Valley Water District in various capacities including Director of Finance and Administration and Assistant General Manager including engineering and operations. He had the opportunity there to spearhead a transformative project, notably the construction of the Frontier Project-a LEED Platinum sustainable demonstration center.

Mr. Corbin was fortunate to have his public sector journey commence at the Rowland Water District where he was mentored to expand his financial education with municipal water utility operations. His formative experiences there instilled in him a profound dedication to the value of public service and the importance of cost-effective service delivery, principles that continue to underscore his leadership philosophy to this day.

Mr. Corbin's academic credentials include a Master degree in public administration, a Bachelor of Science degree in business administration/accounting, and a Certified Public Accountant license (currently inactive), which he integrates into all strategic decision-making processes.

Beyond his professional endeavors, Mr. Corbin is deeply committed to supporting charitable causes and nonprofit organizations, embodying a sense of civic duty and social responsibility.

Anchored by his devoted family - his wife of 34 years, three sons and their growing families - Mr. Corbin finds fulfillment in nurturing personal connections and contributing to the well-being of his community. Having established Orange County as his home for over three decades, Mr. Corbin's affinity for sports is a personal passion which extends from his beloved hometown Pittsburgh Steelers to his adopted California teams, the Lakers, and Angels. Through his years of dedicated public service and multifaceted experiences, Mr. Corbin strives to serve customers and the public in an ethical and effective manner.

Mr. Edgar Tellez Foster joined Chino Basin Watermaster on November 8, 2016. He has devoted his time to conducting research relating to the economics of groundwater and energy subsidies and has produced several academic publications involving economic modeling of aquifers in California and Mexico.

Mr. Tellez Foster has a Bachelor of Arts degree in Economics from the National Autonomous University of Mexico, a Master of Science in Environmental Sciences from the University of California, Riverside and a Doctorate degree in Environmental and Natural Resources Economics and Policy from the University of California, Riverside. He is also part of the Water Solutions Network, a water professionals network encompassing all aspects of water management in California.

As the Water Resources Management and Planning Director, Mr. Tellez Foster is responsible for the analysis of the various projects overseen by Chino Basin Watermaster. He provides analytic expertise in issues related to groundwater quality, management, and economics of groundwater. He oversees the Operations Team, which is tasked with Judgment Administration and implementation of the Optimum Basin Management Program (OBMP). He also leads the Watermaster Academy sessions monthly where he, along with technical and legal consultants, seek to educate Watermaster stakeholders on the many important nuances of the OBMP and Judgment Administration.

In partnership with the Director of Administration, he also oversees IT and AV operations and implementation of new technologies.

Mr. Tellez Foster is a passionate former rower and enjoys traveling and skiing.

Anna Nelson joined the Chino Basin Watermaster in December 2013 and currently serves as the Director of Administration. Before joining Watermaster, she served the private, non-profit, and publicly traded sectors in administrative management roles for HMC Architects, Masco Contractor Services, St. Nicholas School, and Culligan Water.

Ms. Nelson has a Master of Science degree in Organizational Leadership from the University of Redlands and a Bachelor of Arts degree in Leadership Studies from the California State Polytechnic University at Humboldt. She also holds the Certified Administrative Professional, Organizational Management, and Technology Applications (CAP, OM, TA) specialty certificates from the International Association of Administrative Professionals (IAAP) and is a commissioned State of California notary public. Together these invaluable skills underscore her passion for continued organizational leadership excellence.

As the Director of Administration, Ms. Nelson is responsible for the management of all administrative and finance functions of the Watermaster. This includes leading the administrative and accounting teams to successfully deliver support services for all stakeholder processes, meetings, and workshops and court-related document processing and servicing ensuring a collaborative partnership with court staff in service of the parties to the Judgment. She is also responsible for all aspects of human resources management including recruitment, onboarding/offboarding, payroll, benefits administration, identifying training/coaching for all staff, and is actively engaged in all employee performance evaluations. In partnership with the Water Resources Management and Planning Director, she also oversees IT including AV and teleconferencing technologies, and website maintenance. Her duties also include managing commitments and obligations arising from the Judgment, contracts management, and facilities/vendor management.

Ms. Nelson enjoys spending time with her family and friends and likes to stay active by running, biking, and occasionally hiking. She also enjoys the great outdoors and is always inspired after having spent time in nature.

Frank Yoo joined Watermaster in February 2005. Before joining Watermaster, he worked for Wildermuth Environmental Inc. as a Field Technician. Prior to his career in the water field, he operated his family business as the Owner, Assistant Manager, Accounting, Logistics, and IT Support.

Frank has a Bachelor of Science Degree in Geographic Information Systems from the California Polytechnic University, Pomona.

As the Data Services and Judgment Reporting Manager, some of his duties include preparing the annual assessment package, processing water production data, validating land use conversion and voluntary agreement requests, managing geographic data to be used in maps and analysis, maintaining Watermaster's website, programming and maintaining relational databases for record keeping and analysis, and fulfilling data requests from parties outside of Watermaster.

Frank enjoys working with his hands, whether it's improving his home, tending to his yard, building computers, or working in his garage. He also enjoys various outdoor activities such as fishing.

Alonso Jurado joined Chino Basin Watermaster on October 2, 2018. Alonso has operated in the utilities industry for the past 19 years, starting with his time in the U.S. Navy as an Interior Communications Electrician. He has successfully completed three deployments and was part of the electrical maintenance division collaborating with multiple departments to maintain, troubleshoot, and repair electrical equipment on board naval ships.

After four years of honorable service, Alonso continued his career in the city of Long Beach where he worked alongside the gas and water departments gathering and processing data on gas and water meters. After working as a meter reader for a short period of time, Alonso was promoted to Field Supervisor. During this time, he managed the day-to-day operations of a successful meter reading project.

As the Water Resources Senior Associate, Alonso's duties include supporting all activities related to monitoring, coordinating, conducting studies, and preparing reports related to groundwater levels, groundwater quality, groundwater production, and recharge basin spreading. His responsibilities also include supervising the two Field Operations Specialists.

Alonso enjoys spending time with family and friends. He also enjoys camping, ziplining and any adventurous activity. Lastly, he is also a big sports fan and enjoys attending live sporting events.

Ruby Favela Quintero joined the Chino Basin Watermaster on October 26, 2021. Prior to joining Watermaster, she worked for various private and non-profit organizations in administrative and accounting roles.

She holds vocational administrative and finance certificates from Nevada Training Corporation, Las Vegas, NV.

As the Administrative Assistant, and under the general supervision of the Director of Administration, Mrs. Favela Quintero is responsible for the day-to-day activities of the accounting department including accounts payable, accounts receivable, court filings, contracts administration, support the senior accountant and other administrative duties as assigned. She is also responsible for maintaining the records contained within Watermaster's document management system, as well as filing legal documents with the Court and provides other administrative support as needed.

Ruby enjoys spending time with her family, playing tennis, off-roading, glamping, nature walks, and hiking.

Daniela Uriarte joined Chino Basin Watermaster on January 9, 2024. Before joining Watermaster, she worked as a Senior Associate for a public accounting firm, specializing in Government Advisory Services. Prior to her career in public accounting, she worked for various private organizations in different accounting roles.

Daniela graduated from California State Polytechnic University, Pomona in 2019 with a Bachelor of Science in Business Administration with an emphasis in accounting, and a Master of Science in Accountancy in 2021 from the same institution.

As the Senior Accountant, Daniela's duties include managing all financial, accounting, and treasury-related duties, preparing the annual budget and assessment invoicing, monitoring accounts payable/receivable, processing payroll, and keeping management informed of all pertinent finance matters. She is also responsible for performing various account reconciliations, preparing monthly financial reports, and maintaining Watermaster's chart of accounts.

Daniela enjoys spending time with her family and friends, doing yoga, nature walks, hiking, attending concerts, traveling, crocheting, and cooking.

Kirk Richard Dolar joined the Chino Basin Watermaster on February 3, 2025. Before this role, he worked as an administrative intern at the Inland Empire Utilities Agency, supporting the Regional Composting Authority, which is the largest composting facility in California. His experience involved assisting with administrative tasks and contributing to the day-to-day operations of the agency.

Kirk earned his bachelor's degree in English Literature from Cal State Northridge, graduating magna cum laude. Additionally, he holds an associate's degree in Natural Sciences, with a focus on communications, biology, and humanities, which has helped him develop a well-rounded skill set for his professional career.

At Watermaster, Kirk's role involves providing administrative support to both the administration and finance teams. His responsibilities include collaborating with teammates, consultants, vendors, and external agencies to help facilitate operations. With his background in public agency settings, Kirk is focused on managing day-to-day functions while maintaining attention to detail.

Outside of work, Kirk enjoys leading an active life, exploring new cities, and discovering new books. These interests allow him to continually learn, grow, and stay engaged in a variety of experiences.

Jordan Garcia joined the Chino Basin Watermaster on August 29, 2023. He has practiced applications of environmental science for the past four years, working as a conservation steward, a groundwater sampling technician, and an environmental health consultant. He is also an active member of the Board of Directors for the Rivers and Lands Conservancy in Riverside, CA.

Jordan graduated from the University of California, Riverside with a Bachelor of Science degree in Sustainability Studies.

As a Water Resources Associate, some of Jordan's duties include sampling and field data acquisition, analyzing collected data and preparing reports, groundwater and surface water monitoring, assessing recharge basin spreading, and assisting the Water Resources Associate and/or other Watermaster staff with other projects as needed.

Jordan loves rock climbing, surfing and backpacking while exploring his creativity with film photography and DJ'ing. He also enjoys cooking and traveling.

Erik Vides joined the Chino Basin Watermaster on October 10, 2023. Prior to Watermaster, he has had experience working as a lab technician where he was responsible for identifying environmental and health hazards in industrial hygiene samples through optical microscopy.

Erik graduated from the University of California, Berkeley with a bachelor's degree in Geology.

As a Senior Field Operations Specialist, Erik's duties include sampling, field data acquisition, analyzing data, preparing reports, groundwater and surface water monitoring, and assessing recharge basin spreading, as well as assisting the Water Resource Associate and other Watermaster staff with additional projects as needed.

Erik enjoys being in nature, hiking, running, and rock climbing. He is also passionate about amateur astronomy and spending time with family and friends.

Alexandria Aviles joined the Chino Basin Watermaster in June 2026. Prior to this role she worked as an intern at Inland Empire Utilities Agency, supporting the ground water recharge team. Her experience involved field data collection, water sampling, and data management.

Alexandria earned her Bachelor of Science in Geography from California State Polytechnic University, Pomona after previously earning her Associates of Arts degree in Geography from Chaffey Community College.

As a Field Operations Specialist, Alexandria's duties include assisting in various monitoring projects, field data acquisition, preparing reports, groundwater and surface water monitoring, as well as assisting the Water Resource Associate and other Watermaster staff with additional projects as needed.

Outside of work Alexandria enjoys being outdoors, snowboarding, tennis, exploring new places, and spending time with friends and family.

Cameron joined the Chino Basin Watermaster in June 2026. He graduated from the University of Redlands with a Bachelor of Science in Environmental Science with an emphasis in Geographic Informational Systems and Spatial Studies. He spent a month studying with "Geoversity" in the Centro Mamoni biodiversity preserve in Panama where he developed a deeper understanding of Land Use change from agriculture and livestock and observed its impact on the resiliency of Old Growth Rainforest and the surrounding watershed.

As a Field Operations Specialist, Cameron's duties include sampling, field data acquisition, analyzing data, groundwater and surface water monitoring, and assessing recharge basin spreading, as well as assisting the Water Resource Associate, Senior Field Operations Specialist, and other Watermaster staff with additional projects as needed.

Cameron prefers to spend his free time outside by fishing, golfing, and camping. He is also an avid chef and concert attendee.

Noemi Medrano joined Chino Basin Watermaster in March 2026 as an Administrative Assistant. Prior to joining Watermaster, Noemi worked as a Grants Intern at Jurupa Community Services District. During her internship, she gained valuable insight into the water industry and developed a deeper understanding of how local agencies manage and protect vital water resources while serving their communities.

Noemi earned her Bachelor of Arts degree in Management and Spanish from University of Redlands and is proud to be a first-generation Latina college graduate. She is looking to pursue a Master of Science in Organizational Leadership at University of Redlands in May 2026, with anticipated completion in April 2027.

As the Administrative Assistant, she performs a wide range of administrative, clerical, and organizational duties that help ensure the smooth coordination of meetings, records, communications, and day-to-day operations in service of Watermaster's staff and stakeholders.

Outside of work, Noemi enjoys going on runs, cooking, and reading. She regularly attends church and values the role her faith plays in keeping her grounded. She also loves exploring new restaurants with her boyfriend, watching new TV shows with her brother, and spending time with her family.