Executive Management


Scott McClellandScott McClelland

Interim General Manager
Scott McClelland joined the Encina Team in 2016 as the Assistant General Manager, providing executive oversight to the Engineering, General Services and Operations programs. Prior to Encina, Mr. McClelland served as the Director of Water Quality for Sweetwater Authority where he managed the operations and maintenance of three water treatment plants, as well as laboratory, environmental compliance, and distribution system operations. Mr. McClelland holds a Master of Business Administration, a Bachelor of Science in Environmental Engineering, and a Grade 5 Operator’s License, and is a Registered Professional Engineer (Civil) and a Board Certified Environmental Engineer for the American Academy of Environmental Engineers in Water and Wastewater Treatment.

Douglas CampbellDouglas J. Campbell

Director of Environmental Compliance
Douglas J. Campbell joined the Encina Team in 1991 and has served on Encina’s Executive Leadership Team since 2012. Mr. Campbell was appointed Director of Environmental Compliance in July of 2012 providing executive oversight to Encina’s Laboratory, Source Control and Safety programs. Prior to this appointment, Mr. Campbell served as the Laboratory Manager since 2004 where he was responsible for the Flow Metering and Revenue programs with his major contribution being the implementation of a Laboratory Information Management System. From 1991 to 2004 Mr. Campbell worked as a chemist for the authority. Prior to Encina, Mr. Campbell worked as a Biological Technician for the National Oceanographic and Atmospheric Administration fisheries programs. Mr. Campbell holds a Bachelors of Arts in Environmental Science emphasizing in aquatic biology.

Tucker SouthernTucker Southern

Director of Technical Services
Tucker Southern joined the Encina Team in 2017 as the Engineering Services Manager, where he was responsible for future planning of capital projects, managing consultants, and comprehensive asset management. Prior to Encina, Mr. Southern was a project manager for Kennedy Jenks Consultants, one of Encina’s trusted engineering consulting firms. Mr. Southern earned a Bachelor of Science in Mechanical Engineering, and is a Registered Professional Engineer (Civil) in three states.

Octavio NavarreteOctavio Navarrete

Director of Operations
Octavio Navarrete joined the Encina Team in 2004 and has served in Operations Management since 2012. Mr. Navarrete holds a Bachelor of Science in Business Management and a SWRCB Grade 5 Operator’s License. Prior to Encina, Mr. Navarrete worked for Teradyne Circuits as project manager providing advanced engineering support for the manufacturing of printed circuit boards.

leeann warcholLeeAnn Warchol

Director of Administrative Services / Treasurer / Auditor
LeeAnn Warchol joined the Encina Team in 2004 and has served on Encina’s Executive Leadership Team since 2009. Mrs. Warchol was appointed Administrative Services Manager in March of 2012 providing leadership and oversight to the Financial and Administrative functions.  In 2016, Mrs. Warchol was appointed an Officer of the Encina Board of Directors and serves as Treasurer and Auditor.  Prior to this appointment, Mrs. Warchol served as Management Analyst and Purchasing Specialist.  Prior to Encina, Mrs. Warchol worked in the purchasing field at a Supervisory Control and Data Acquisitions (SCADA) firm located in Kearny Mesa, California.  Mrs. Warchol holds a Bachelor of Science in Applied Arts and Sciences in Business Administration.


Vallecitos Water District
City of Carlsbad
City of Vista
City of Encinitas
Leucadia Wastewater District


  • CWEA San Diego Plant of the Year
  • EPA Green Power Partner
  • NACWA Peak Performance Award
  • Government Financial Officers
       Association CAFR Award

Contact Us

Encina Wastewater Authority
6200 Avenida Encinas
Carlsbad, CA 92011

  (760) 438-3941