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Organization - Watermaster Staff

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The Watermaster staff, headed by the General Manager, conducts day-to-day business and technical activities of Watermaster. Watermaster also engages the services of consultants for special projects in areas where specialized expertise is necessary.

Questions or comments regarding Watermaster and its activities should be directed to the General Manager.

Peter Kavounas Picture

Peter Kavounas, PE, General Manager

Peter Kavounas has served as the General Manager of Chino Basin Watermaster since 2012. Mr. Kavounas has over 30 years of experience and has worked for the Los Angeles Department of Water and Power as the Eastern Sierra Environmental Issues Manager, and for the City of Glendale’s Water and Power Department as the Assistant General Manager-Water Services. Mr. Kavounas was elected to the Castaic Lake Water Agency Board of Directors in 1998 and served for fifteen years holding various positions including the office of Board President.

Mr. Kavounas has a Bachelor of Science degree in Civil Engineering from the University of Minnesota, a Master of Engineering-Structural from UC Berkeley, and a Master of Science-Water Resources from USC. He is also a graduate of Leadership Southern California Class XII, and is a licensed Professional Engineer in the State of California.

As the General Manager Mr. Kavounas oversees all aspects of the organization: meeting obligations to the Judgment and other Court Orders, implementation of the Optimum Basin Management Program, compliance with all regulatory requirements, and business practices.

Mr. Kavounas enjoys running, nature, and reading.

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Joseph S. Joswiak, MBA, Chief Financial Officer

Joseph S. Joswiak joined Chino Basin Watermaster as the Chief Financial Officer on April 5, 2010. Mr. Joswiak has worked in both the public and private sectors and has a diversified career in finance and administration with more than 35+ years in the manufacturing, transportation, banking, professional services and hospital management industries. Prior to joining Chino Basin Watermaster, Mr. Joswiak was the Financial Services Manager/Assistant Treasurer for Fleetwood Enterprises, Inc., a former Fortune 500 company and the nation’s leading producer of manufactured housing and recreational vehicles. He was also the Vice President of Finance and Administration for Cofiroute USA, formerly California Private Transportation Company (CPTC), which owned and operated the highly acclaimed 91 Express Lanes - the world's first fully automated toll highway. Mr. Joswiak's past professional affiliations include management positions with Notting America, Inc.; CU Cooperative Systems, Inc.; California Credit Union League; Care Enterprises, Inc.; and Sony Corporation. Additionally, he served four years in the United States Navy assigned to the Naval Support Force Antarctica, which included deployments "on the ice" at McMurdo Station, Antarctica.

Mr. Joswiak earned an MBA from the University of Redlands, and received his Bachelor of Arts in Business Administration/Accounting from California State University, Fullerton.

As the Chief Financial Officer, Mr. Joswiak provides leadership, coordination and administration of all functional activities and policies related to running the day-to-day business of Watermaster which includes accounting, finance, treasury, payroll, budgeting, financial reporting, auditing, human resources, risk management, IT services, and administrative functions.

Mr. Joswiak enjoys spending time with his family and grandchildren on their camping trips, fishing and boating activities at Lake Tahoe, adventures to Disneyland, and being a member of SoCal Patriot Guard Riders.

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Edgar Tellez Foster, PhD, Water Resources Management and Planning Director

Edgar Tellez Foster joined Chino Basin Watermaster on November 8, 2016. Mr. Tellez Foster has devoted his time to conducting research relating to the economics of groundwater and energy subsidies. He has 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.

As the Water Resources Management and Planning Director, Edgar is in charge of 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.

Edgar is a passionate former rower, and also enjoys traveling and skiing.

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Anna Truong Nelson, CAP-OM-TA, Executive Services Director/Board Clerk

Anna Nelson joined Chino Basin Watermaster on December 4, 2013. Prior to joining Watermaster, she worked at HMC Architects providing executive level administrative support and construction administration to the Interior Architecture department. She was the Office Manager for Masco Contractor Services, St. Nicholas School, and Culligan Water.

Anna has a vocational certificate in business administration, has earned the Certified Administrative Professional–Organizational Management–Technology Applications (CAP‑OM‑TA) certificates from the International Association of Administrative Professionals (IAAP), and is a commissioned State of California notary public.

As Executive Services Director, her duties include managing Watermaster’s commitments/obligations, contracts administration, and facilities management. She is also responsible for managing all meetings, is the Clerk of the Board, and provides support to the General Manager on day-to-day administrative functions.

Anna enjoys spending time with her family and likes to stay active by running, biking, and occasional hiking.

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Justin Nakano, MPA, Water Resources Technical Manager

Justin Nakano has been with Chino Basin Watermaster since February 14, 2005.

Justin graduated from the University of California, Irvine in 2003, with a Bachelor's Degree in Environmental Analysis and Design and a Minor in Japanese Language and Literature. In 2010 he received his Masters in Public Administration from Cal State Northridge. Since 2016, Justin has served on the Water Commission for the City of Glendora, advising the City Council on policies and programs related to the City’s water.

As a Water Resources Technical Manager, Justin's duties include: coordinating the planning and construction of capital improvement projects, monitoring and maintenance of recharge basins, gathering and processing of transducer data, water level updates to the production database, water quality sampling, and providing direct supervision to the Field Operations Specialists with various duties. Justin also represents Watermaster at various conservation efforts such as the Santa Ana River Sucker Task Force and the Landscape Water Conservation Fair.

Justin enjoys spending time with family, travel, playing basketball, and obstacle course races.

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Frank Yoo, Water Resources Senior Associate
(GIS & Database Specialist)

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 a Water Resources Senior Associate, 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.

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Janine Wilson, CAP-OM-TA, Sr. Accountant

Janine Wilson has worked for Watermaster since June 2000.

Ms. Wilson graduated from Chaffey Community College in May 2000 with an Associates Degree in Computer Information Systems and Basic Education. In June 2014, she earned the certificate of Certified Administrative Professional – Organizational Management (CAP-OM) from the International Association of Administrative Professionals (IAAP).

As the Sr. Accountant, Ms. Wilson is responsible for the day-to-day routine activities of the accounting department including accounts payable, accounts receivable, payroll, financial reporting, insurances, annual budget, annual financial audit, and the annual assessment package preparation. She is responsible for maintaining the records contained within Watermaster’s document management system, as well as filing legal documents with the Court.

Janine enjoys being outdoors and spending time with her grandchildren.

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Alonso Jurado, Field Operations Specialist

Alonso Jurado joined Chino Basin Watermaster on October 2, 2018. Alonso has operated in the utilities industry for the past 14 years, starting with his time in the U.S. Navy as an Interior Communications Electrician. Alonso successfully completed three deployments and was part of the electrical maintenance division collaborating with multiple departments to maintain, troubleshoot, and repair electrical equipment onboard naval ships.

After four years of honorable service, Alonso continued his career with 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 Field Operations Specialist, Alonso’s duties include ground water quality monitoring, retrieving transducer data, water meter reading and various field tasks related to the Watermaster.

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

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David Huynh, Field Operations Specialist

David Huynh joined Chino Basin Watermaster on October 2, 2018. Prior to joining Watermaster, he worked for Blaine Tech Services, Inc. as a Field Technician. David was also a Laboratory Intern with Orange County Public Health Water Quality Laboratory and helped conduct bacteriological testing of surface and ground water samples. While attending college, he interned for Orange County Coastkeeper and participated in environmental advocacy projects such as eel grass restoration, beach clean ups, and plastic bag ban implementation.

David graduated from the University of California, Irvine in 2016 with a Bachelor of Science degree in Earth System Science and a specialization in Hydrology.

As a Field Operations Specialist, David’s duties include: groundwater quality monitoring, retrieving transducer data, water meter reading and various other field tasks to help Watermaster fulfill the judgement.

David enjoys camping, fishing, and strumming away on his six-string guitar.

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Vanessa Aldaz, Administrative Assistant

Vanessa Aldaz joined Watermaster in February 2020. Prior to Watermaster, Vanessa worked at The Lewis Group of Companies providing administrative support for the Land Development and Planned Communities department.

Vanessa holds Associate Degrees in Business Administration, Biological and Physical Mathematics, Social and Behavioral Sciences, and Liberal Arts from Citrus College. She is currently enrolled at California Polytechnic University, Pomona pursing a Bachelors Degree in Finance, Real Estate, & Law with an emphasis in Real Estate.

As Administrative Assistant, Vanessa is responsible for providing each team member with active support in various tasks and projects and specifically assisting the Executive Services Director with day-to-day clerical functions such as document preparation and meeting coordination. She is also a commissioned State of California Notary Public.

When she isn’t studying, Vanessa enjoys going to the movies, seeing live music with her husband, and binging TV with her two dogs. She is also an avid reader and a fanatical supporter of independent bookstores.



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Chino Basin Watermaster 9641 San Bernardino Road, Rancho Cucamonga, CA 91730
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