Moulton Niguel Board of Directors
The Moulton Niguel Water District elected Board of Directors is dedicated to providing our community with safe and reliable water services along with the latest water conservation information. The Moulton Niguel Board actively encourages the local community to participate in the ongoing
conversation about water usage in our area.
Committed to Our Community
As your local water supplier, Moulton Niguel takes an active role in our community. Our elected Board of Directors is committed to providing the community with safe and reliable water services, as well as information on current water issues.
Feel free to email our Board at boardofdirectors@mnwd.com.
Meet Our Board
Duane Cave
President
Duane D. Cave serves as President of the Moulton Niguel Water District.
Under his leadership, Moulton Niguel has received global recognition for its sustainability efforts, secured more than $10 million in federal infrastructure grants, and signed a historic knowledge-sharing partnership with the Danish Water Technology Alliance – while maintaining a AAA credit rating and the lowest average monthly bill in South Orange County.
Current term through 2024
Brian Probolsky
Vice President
Brian Probolsky serves as First Vice President of the Moulton Niguel Water District. Mr. Probolsky has served as a member of the Moulton Niguel Board of Directors since 2008. During his tenure, the district has won numerous awards from the WaterNow Alliance, Association of California Cities – Orange County, Orange County Business Council, and SustainOC as well as the State of California’s highest environmental honor. Probolsky’s priorities include maintaining reliable access to a clean water supply, protecting our beaches and local waterways from pollution, and embracing state-of-the-art water technology to improve customer service and reduce operating costs.
Current term through 2024
Diane Rifkin
Vice President
Diane Rifkin serves as Vice President of the Moulton Niguel Water District. Vice President Rifkin applies her business acumen, experience in organizational planning, and executive leadership expertise to enhance Moulton Niguel’s customer service and support its innovative workforce culture. During her tenure as Vice President, Moulton Niguel has been recognized as a Top Workplace in Orange County and a “Utility of the Future” for its excellence in innovation, customer service, and sustainability.
Current term through 2026
Richard S. “Dick” Fiore
Director
Richard S. “Dick” Fiore serves as an elected member of the Board of Directors for the Moulton Niguel Water District.
First elected to the Moulton Niguel Board in 1977, Director Fiore has played a key role in guiding the District through its years of rapid growth and development and multiple periods of drought.
Current term through 2024
Donald R. Froelich
Director
Donald R. Froelich serves as an elected member of the Board of Directors for the Moulton Niguel Water District. For the past decade, Director Froelich has applied his engineering knowledge, legal acumen, and technical skills in overseeing Moulton Niguel’s robust infrastructure system, which includes more than 1,300 miles of water, wastewater and recycled water pipelines, approximately 20,000 valves, 53 pump and lift stations, 39 reservoirs, and four treatment plants. During his previous term as president of the Board of Directors, then-Vice President Froelich helped develop the District’s ten-year capital improvement plan, which will invest $533 million into upgrading Moulton Niguel’s extensive water infrastructure system.
Current term through 2026
William “Bill”
Moorhead
Director
William “Bill” Moorhead serves as an elected Director of the Moulton Niguel Water District. A registered civil engineer and principal water engineer, Mr. Moorhead understands the challenges of managing complex projects while ensuring fair and equitable water rates for customers. First elected to the Board in 2018, he supports investing in state-of-the-art infrastructure and promoting sustainable water policies that will help the District prepare for perennial drought cycles and uncertainty over imported water supplies.
Current term through 2026
Sherry Wanninger
Director
Sherry Wanninger serves as an elected member of the Moulton Niguel Water District Board of Directors. An expert in finance and contracts, Director Wanninger has contributed to the District’s prudent financial management, balanced budgets, and responsible long-term planning. As a Santiago Aqueduct Commissioner, Director Wanninger works collaboratively with Moulton Niguel’s regional water partners to ensure safe and reliable access to imported water from the Metropolitan Water District of Southern California.
Current term through 2024
Feel free to email your Board at boardofdirectors@mnwd.com.
Members of the community are also welcome to attend open session Board of Directors meetings. See below for a list of upcoming Board of Directors meetings, events and agendas.