David Mauk was named the District’s GM in January of 2012. His duties as General Manager include the development and implementation of policies of the District for the protection, management, and conservation of ground and surface water, or any other natural resource within the District.
Prior to his time at the District, Dave worked as a Bail Bondsmen and Professional Bounty Hunter for 14 years in Baltimore City, MD. He also served in the Army Reserves and Army National Guard. He obtained a B.S. in Chemistry from Schreiner University in 2006.
Levi Sparks, M.S., CLMAquatic Ecologist / Water Quality Scientist
Levi Sparks joined the District in October of 2015. He conducts the all District’s surface water quality programs including TCEQ’s Clean Rivers Program, the District’s In-house Surface Water Quality Monitoring Program, and the Nonpoint Source Pollution monitoring program on Medina Lake. Sparks also serves as the Lab Manager for surface water and groundwater samples.
Levi served as a Research Assistant at West Texas A&M University. He obtained a B.S. in Wildlife Biology at West Texas A&M University and received a M.S. in Biology specializing in Aquatic Biology from West Texas A&M University in 2017. He is also a Certified Lake Manager.
Retired after 35+ years at the US Geological Survey and joined the BCRAGD team in the summer of 2017. At the time of his retirement, he held the position of Data Chief, San Antonio South Texas Program Office. He is an expert in Hydrologic Resources, flood flows, fluvial sediments, stream channel geomorphology, borehole geophysics, and monitor well drilling. As the Natural Resource Specialist, Larry is primarily responsible for or supporting the implementation of the District’s surface water quality, natural resources, and monitoring programs. He is also the team leader for all rainfall monitoring and related programs.
Corrina Fox joined BCRAGD February 2018 as the Education and Outreach Coordinator. She comes to the district with a decade of teaching experience in the sciences. She worked as the Chemistry Lab Director for Schreiner University where sh e developed general chemistry laboratory curriculum, taught chemistry laboratory classes, assisted with environmental compliance and coordinated educational outreach programs. Prior to Schreiner University, she taught high-school sciences. She holds degrees in Biology and Biochemistry. Her responsibilities with the district include performing quality assurance and control for research programs and implementing Water and Natural Resource conservation and awareness programs for the public. She is the district’s liaison for cooperative efforts regarding conservation with other local, regional, and state agencies.
Prari Blair re-joined the BCRAGD team in February 2018. Blair started as a full-time employee at the District in January 2012 when Dave Mauk was first named General Manager. After earning her Master’s Degree, she worked as an Office Manager and Head of Purchasing at a Medical Device company in San Antonio before making her way back to BCRAGD. As Office Manager, her primary responsibilities include assisting the General Manager with supervision of the office and the implementation of all District programs and initiatives. She also serves as the District’s Finance Coordinator, Elections Coordinator, Records Management Officer, & Human Resources Officer.
Prari Blair has over 10+ years of Office, Administrative, and Financial experience. She obtained a B.A. in Creative Arts with a minor in English from Schreiner University in 2009 and a M.Ed. (Master of Education) from Schreiner University in 2015.
Charley joined the BCRAGD team in July of 2018 as the Office Coordinator. Charley graduated from Schreiner University with her B.S. in Biology, with a minor in Medical Humanities in 2017.
As Office Coordinator Charley is the face of the District and greets the public with a smile! Her responsibilities include making sure that District office operations are smoothly and successfully conducted, ensuring continuity of District services. She is the District’s liaison between the BCRAGD office and the public, and assists District staff with the implementation of District goals and programs and making sure they are met. Charley works with our Education and Outreach Coordinator to assist in events. Other duties include assisting with well registrations and permits, water samples, public information requests, elections, and records management, as well as being the Public Information Request Coordinator.
Clint joined the BCRAGD team in October 2018 as our Natural Resource Specialist. He assists the River Authority and Groundwater District Operations Managers addressing any natural resource issue. This includes invasive species, aquifer contamination, surface water quality, public awareness and ecological assessments. He also participates in the TCEQ’s Clean Rivers Program and assists with our laboratory analysis.
Clint obtained his B.S. in Resource & Environmental Studies from Texas State University, San Marcos in 2016. He is currently looking to pursue his M.S. in Environmental Sustainability and Natural Resource Management from Texas Tech University.
Hayli joined the District in January of 2019 as Intergovernmental Affairs. She Graduated from Schreiner University with a Bachelor of Arts in Political Science in May 2017. Prior to joining the district, Hayli previously worked as a Legal Assistant in multiple fields.
As Intergovernmental Affairs she serves as the District’s Election Coordinator, and works closely with the General Manger to assist with legislative sessions, interim changes and policy issues. She is tasked with the preparation of proposals and grant applications; including research, development and response to public and private grant opportunities to further District programs. Intergovernmental Affairs assists the General Manager in documenting management goals and standards in order to achieve the adopted Desired Future Condition, as well as implement strategies for Regional Water Management Plans. She also assists the Education and Community Outreach Coordinator with any interactions with stakeholder groups, committees, government agencies, Universities, and nonprofit organizations. Additionally, she is tasked with Public Relations responsibilities, including, but not limited to, social media, press releases and public service announcements.
Alyssa Blaise BalzenGroundwater District Operations Manager
Alyssa joined the District in May of 2020. Prior to joining the District, she interned with both the Texas Commission on Environmental Quality and the U.S. Geological Survey and worked as an environmental scientist for a contractor for the U.S. Air Force. She also served as Editor for the bulletin on the Board of the South Texas Geological Society.
Her primary responsibilities for the District include assisting the General Manager in the management and planning of groundwater resources and data, registering and permitting wells, and running the Monitoring Well Program.
Alyssa obtained a B.S. in Geology in 2017 and an M.S. in Geology in 2019 from the University of Texas at San Antonio, completing her thesis on the Investigation Of Methods In Fluorescent Dye Extraction From Activated Charcoal For Use In Dye Tracing.
Hours of operation open to the public are Monday – Thursday 8:00 a.m. – 5:00 p.m. and Friday 8:00 a.m. – 4:30 p.m. We are closed Saturday and Sunday