Meet the Rivanna Team

Employee Appreciation Day 2016

Employee Appreciation Day 2016

Rivanna Water and Sewer and Solid Waste Authority Team
Rivanna Water and Sewer and Solid Waste Authority has nearly 100 engineers, operators, maintenance crew members, and administrative staff working around the clock to provide potable drinking water to our customers: Albemarle County Service Authority and Charlottesville Public Utilities Department

Executive Director

Bill Mawyer joined the Authority in November 2016 as the Executive Director.


Previously Bill Mawyer has been the Assistant Director of the Public Utilities Department in Henrico County, Virginia for the last 15 years. In this position, he was responsible for the treatment of drinking water and wastewater as well as refuse and recycling services for the 320,000 residents of Henrico County.   Bill has an undergraduate degree in Civil Engineering from the University of Virginia, a Masters Degree in Business Administration from Averett College, and is a licensed professional engineer in Virginia. Bill grew up in the North Garden area of Albemarle County and is a graduate of Albemarle High School.


“I am very excited to join the Rivanna Authorities team and return to the Albemarle / Charlottesville area.   Working with the Board of Directors and the community, our Rivanna team will continue to provide the utility, refuse and recycling infrastructure necessary to maintain the high quality of life enjoyed by this area.”


Bill’s career extends over 30 years and includes service with the Naval Facilities Engineering Command in Norfolk, Facilities Management at the University of Virginia, and the Engineering and Public Works Department in Albemarle County.


Bill’s wife is a public school teacher in Henrico County. They have one adult daughter and two sons in college.   Bill enjoys traveling, playing golf, and coaching youth sports.


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Director of Operations


Richard W. Gullick, Ph.D. joined Rivanna Water and Sewer Authority in August 2014 as Director of Operations and oversees its water and wastewater services, as well as water resources, engineering, laboratory, and maintenance functions.


Dr. Gullick has more than 30 years of experience in the utility, consulting, research, and education sectors of the water supply, wastewater, environmental, and pollution prevention fields.


Before joining the Authority, Dr. Gullick worked as the Water Superintendent/Chief of Water Quality for the Passaic Valley Water Commission in Totowa, NJ, where he led operation of a 75-mgd surface water treatment plant as well as eight other drinking water treatment facilities.  He also has worked as Director of Water Resources for Environmental Engineering & Technology, Inc. and as a Senior Water Quality Engineer for American Water.


Dr. Gullick earned a Bachelor of Science degree in Environmental Science from Michigan State University, a Master of Science in Public Health degree from the University of North Carolina at Chapel Hill, and a PhD in Environmental Engineering from the University of Michigan.


When he’s not keeping Rivanna operations running smoothly, he enjoys West Coast Swing dancing, skiing, and playing bass guitar.


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Director of Finance

 Lonzy (Lonnie) E. Wood is Rivanna’s Interim Executive Director, and the Director of Finance and Administration.


He manages the administrative services, including finance, data processing, budgeting, debt management, risk management, human resources, employee benefits, and purchasing. Mr. Wood joined the Authority on May 24, 1999.  Mr. Wood has guided the Authority in strengthening its financial condition over the years by implementing the first multi-year capital improvement planning process that ties spending forecasts to future rate and charge increases as well as reserve policies.  The Authority’s formally adopted financial policies in 2011 and in 2012 the Authority received its first bond rating increase in 20 years from Standards & Poor’s (AA to an AA+) during a time of significant changes and scrutiny in the municipal bond industry.  Mr. Wood has been responsible for financing the Authority’s aggressive capital campaign by initiating over $236 million in revenue bond sales to finance new projects or refinance older bonds over the past 16 years.


Mr. Wood joined the Authority following seven years as a Senior Auditor for the Commonwealth of Virginia’s Auditor of Public Accounts, three years as Director of Finance of the County of Louisa, Virginia, and several years as the Chief Financial Officer for a local law firm. He received a Bachelor of Science degree in Business Administration from Longwood University, Virginia.  Lonnie is a Certified Public Accountant and is a member of the Virginia Society of Certified Public Accountants, the National and Virginia Government Finance Officers Association, and the Virginia Association of Government Purchasers.


Lonnie has strong ties to the community being a native of the area and growing up in Albemarle County.  Many of the facilities and resources managed by Rivanna were a part of his early childhood, especially the Sugar Hollow and Beaver Creek watersheds and reservoirs.  Lonnie has three wonderful children.

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Chief Engineer

Ms. Jennifer Whitaker joined Rivanna Water & Sewer Authority in Charlottesville, Virginia as Chief Engineer in August of 2003. In this role she has overseen an aggressive $265 million Capital Improvement Program, construction inspection, development design review, GIS implementation,  utility locating, and technical assistance to the operating arm of the Authority. Additionally, Jennifer serves as the Authority’s Dam Safety Engineer.  During her time at Rivanna, Jennifer has been pivotal in the permitting, design, and construction of the New Ragged Mountain Dam and the Enhanced Nutrient Removal system at the Moores Creek Advanced Water Resource Recovery Facility. Jennifer currently leads a team of 8 staff members.


Throughout her 20-year career, Jennifer has led planning efforts, as well as implementation of projects in infrastructure renewal and improvement, water supply, water system hydraulics and dam operation and safety. Jennifer’s background in emergency planning and management allow her to coordinate regional dam safety education and mitigation efforts.  Ms. Whitaker currently serves as a Practitioner Advisor for the student chapter of the American Society of Civil Engineers (ASCE) at the University of Virginia.  


Prior to coming to Rivanna, Ms. Whitaker served as the Assistant City Engineer for the City of Charlottesville and was a Project Manager in the engineering consulting industry with Gannett Fleming in Richmond and Newport News, Virginia. Ms. Whitaker earned her Bachelor of Science in Civil Engineering from the University of Virginia and is a registered Professional Engineer in the Commonwealth of Virginia.


Outside of work, Jennifer loves to spend time with her family and friends enjoying the endless outdoor recreational possibilities in Charlottesville.

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Human Resources

Betsy Nemeth joined Rivanna Water & Sewer Authority and the Rivanna Solid Waste Authority in Charlottesville, Virginia as HR/Office Manager in April 2016.


Betsy provides guidance in employee relations, recruiting, retention, training, benefits planning and administration and oversight of federal and state employer regulatory compliance issues.


Prior to coming to Rivanna, Betsy served as the Director of Human Resources at a resort hotel in Keswick, VA. Prior to that, she worked in the retail management field for over 25 years. Betsy earned her Bachelor of Arts in Economics from the University of Rhode Island. Betsy holds both the PHR and SHRM-CP certifications, which denote her experience and knowledge in the field of Human Resources.


Away from work, Betsy enjoys traveling and playing pickle ball with her husband, George and can be found puttering in her garden.

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RSWA Manager

Mark Brownlee joined Rivanna Solid Waste Authority in November 2000.  As RSWA Manager, Mark is responsible for all operations at the three facilities owned/operated by the Authority. He oversees our bi-annual Household Hazardous Waste and Bulky Waste Days, McIntire Center recycling, Ivy Encore Shop, and the Paper Sort facility as well as the post-closure care and maintenance of the Ivy Landfill. This care includes following all DEQ permitting requirements, stormwater management, and methane gas collection.


Mark holds a Waste Management Facility Operator license Class 1 and Class 11.


Prior to coming to Rivanna, Mark retired from the food industry after 30 years.


When not hard at work handling recyclables and waste at Rivanna, Mark follows his passion for volunteer work doing building and rebuilding for hurricane relief.

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Wastewater Manager

Timothy E. Castillo joined the Rivanna Water and Sewer Authority in February 2015 as the Authority’s Wastewater Manager.  Tim is responsible for overseeing all aspects of wastewater operations at the four water resource recovery facilities owned/operated by the Authority.


Tim brings over 30 years of water/wastewater industry expertise to Rivanna. Before joining RWSA, Tim worked as state operations manager at Aqua Virginia managing 170 water and wastewater plants and oversaw distribution for 39,000 residents. Before that Tim was the executive director of the Nelson County Service Authority for 17 years in Lovingston, Virginia, where he managed all aspects of water and wastewater facilities serving five communities in Nelson County. He also worked as utilities director for Bristol, Tennessee and treatment plant manager for Nashville, Tennessee.


He is a former president of the Virginia Water and Wastewater Authorities Association and served on the board of directors for the Virginia Rural Water Association. Castillo holds a Bachelor of Science degree in biology from Marietta College and a Master of Science degree in environmental health with a concentration in water resource management from East Tennessee State University


Tim resides in Nelson County at the foot of Priest Mountain within Silver Creek Orchard.  While not at Rivanna, Tim operates PriestView Hunting Preserve in order to enjoy his passion for upland hunting and training bird dogs.  His wife LaVerne is office manager for PriestView.  He is also active in his church choir.

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Teri Kent joined Rivanna in the summer of 2015 as Communications Manager and Executive Coordinator. She is responsible for ensuring that consistent, clear, and compelling information is conveyed throughout the organization and the community so that people know what we do and who we are. She develops brochures, presentations, newsletters, web content, and press releases for Rivanna as well as seeks opportunities for community collaborations which can bring people closer to understanding our most important resource: water. She also serves as the Library of Virginia Records custodian.


Previously Teri worked as a community leader in the non-profit sector. Teri founded a local grassroots organization called Better World Betty and also worked at LEAP (the Local Energy Alliance Program) helping commercial property owners with energy efficiency.


Teri earned a Bachelors of Arts in English Secondary Teaching from the University of Utah.


Away from work, Teri enjoys dancing, traveling, recycling, and nature walks or bike rides with her sons Ian and Garrett.

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Phil McKalips joined Rivanna as the Environment and Safety Manager in March 2015 to provide continued support of compliance and remediation activities at the Ivy Material Utilization Center (Ivy MUC), enhance efforts to provide a safe and healthy workplace, and act as a resource for other operational compliance objectives.  Although a new member of the management team, Phil has been involved with both Authorities over the last 12 years as a private consultant, especially at the Ivy MUC.   In his 27 years in the environmental industry, he has managed large and small-scale projects for a variety of public and private organizations within the US and overseas.  Through this experience, Phil has developed specific expertise in environmental aspects of landfill closure and management, site characterization, geotechnical assessments, and worker health and safety.


Mr. McKalips is a professional geologist and is a member of the American Society of Safety Engineers.  Prior to coming to Rivanna, Phil served as a Project Manager and Office Manager of a regional office of a private environmental consulting company. Earlier employment included working for a large international engineering and construction company where he had the opportunity to work in Europe, Africa, the Middle East, and Asia.


When Phil is not at work, he enjoys working on house projects, cooking (and eating), reading, and travel.

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Information Systems

Steven Miller joined Rivanna as the Information Systems Administrator in May of 1999.  Steven is responsible for the Authorities wide area and local networks, all of the computer hardware and most of the software that makes Rivanna work.


Steven has a Bachelor of Engineering degree from Stevens Institute of Technology and a Juris Doctorate from Rutgers School of Law.  He has been a member of the Virginia bar since 1986.


Prior to coming to Rivanna, Steven was head of hardware at one of the first Internet Service Providers in Virginia (Commetnet) and worked as a consultant for OFM computers here in Charlottesville.


When not hard at work keeping the information flowing at Rivanna, Steven is the computer consultant for the Jefferson Swim League, a youth league with over 2400 swimmers.



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Maintenance Manager
Water Resources

Andrea Terry originally joined Rivanna as Watershed Manager in 2004 until 2008, then returned to the Authority as Water Resources Manager in December 2011. Andrea is responsible for all RWSA activities upstream of our dams.  She focuses on reservoir water quality, manages our reservoir sampling program, and coordinates with our sister agencies on crucial watershed issues.  In addition, Andrea provides support to our managerial team on environmental permitting and acts as a liaison with other environmental organizations in our community.


In the past, Andrea has worked as an Environmental Scientist in the consulting industry and as an Environmental Planner for a Virginia Planning District Commission.


When Andrea is not out and about on our reservoirs or working in our streams, she loves spending time outdoors.  She enjoys traveling, hiking and fishing, sewing and reading.


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Water Manager

Dave Tungate joined Rivanna as the Water Manager in 2012.  As the water manager, he is responsible for all municipal drinking water production in Albemarle County.  Rivanna Water and Sewer Authority has 5 water treatment plants in Albemarle County.  There are three water treatment plants in the Charlottesville urban area and one in Crozet and one in Scottsville.  Dave leads a team of 22 water treatment plant operators that ensure the residents of Albemarle County and the City of Charlottesville have safe drinking water.


Prior to coming to RWSA, Dave spent 15 years working at the South Bend Water Works in South Bend Indiana.  He started his career there as the water quality specialist and was eventually selected to become the Water Utility Director.


Dave Tungate was recently appointed to the American Water Works Association’s Activated Carbon Committee.


When Dave is not keeping the water running, he is busy spending time with his family and following the Pittsburgh Steelers and Penguins.

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Lab Director

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