About Us
​The Central Texas Stormwater Coalition (CTSC) is comprised of MS4 program managers from the Central Texas cities of San Marcos, and New Braunfels, as well as Texas State University.
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This collaborative group was formed with the intent to combine efforts, share experiences, and provide support in an effort to improve each entity's MS4 program and meet program goals for compliance with state and federal regulations.
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City of New Braunfels
Phillip Quast is the Watershed Supervisor for the City of New Braunfels and has held this position since 2018. His academic background includes a Master of Applied Geography degree from Texas State University with a focus on Environmental Resource Management and Geographic Information Systems and a Bachelor of Science degree in Computer Science, also from Texas State University. Phillip has worked in the field of land conservation and habitat restoration for 15 years and enjoys working to develop and implement programs that are designed to improve the habitats for wildlife to thrive in.
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Henry Beenenga is the Watershed Inspector for the City of New Braunfels where he inspects active construction sites to ensure compliance with City and State regulations. Henry also helps implement other items of the City’s MS4 program and Storm Water Management Program (SWMP). Henry graduated with a degree in Environmental Science and has received his CESSWI and CISEC (#3726). His goals while working with the city include public outreach to further educate citizens on the importance of keeping our riverways clean. Henry spends his free time exploring the Hill Country for hiking trails and swimming opportunities.
City of San Marcos
Alexandra O'Connor is the Stormwater Coordinator for the City of San Marcos and has held that position since 2017. Alex's responsibilities include ensuring compliance with the TCEQ issued Phase II Small MS4 permit. Alex is a CISEC with over 15 years working in environmental compliance focused on stormwater management and the Texas Pollutant Discharge Elimination System (TPDES) permitting. Alex has extensive experience in MS4 program management, construction stormwater inspections/compliance, best management practices, chemical waste management, Tier II reporting, spill response, Spill Prevention Control and Countermeasure (SPCC) plans, GIS, Phase I and II Environmental Site Assessments and Geologic Assessments. Alex spends her free time traveling with her husband and playing with her dog!
Rachel Henderson is a CISEC and holds a bachelor’s degree in Resource and Environmental Studies from Texas State University. She currently works for the City of San Marcos as the Stormwater Technician where she assists in managing and implementing the City’s MS4 program. Her specialties include stormwater compliance operations, GIS applications, state and federal environmental regulations including stormwater inspections, best management practices, spill response and Spill Prevention Control and Countermeasure (SPCC) plans.
Texas State University
Peyton Austin is an Environmental Health and Safety Specialist for the Texas State University, where he helps to implement MS4 compliance operations for active construction and daily activities on campus. Peyton has maintenance experience as an equipment operator for the City of San Marcos, and design experience as an intern for Gallup Engineering. Peyton graduated Summa Cum Laude from Texas State University with a degree in Water Resources, and in July of 2020 he became a Certified Inspector of Sediment and Erosion Control (CISEC #2973). Outside of work, Peyton spends his time working on his master’s degree, golfing, and spending ample time in the San Marcos River.
Nicky Vermeersch holds a bachelor’s degree in Environmental Science and a master’s degree in Environment and Resource Management. She began her career at Texas State University as an Environmental Health and Safety Specialist where she helped coordinate the MS4 program by overseeing the education and outreach components. Nicky currently works as a Water Quality Specialist at the Meadows Center for Water and the Environment, a research institute at Texas State University, where she assists with surface water quality monitoring as part of the Clean Rivers Program and coordinates supplies and equipment for Texas Stream Team. In her free time, Nicky loves to spend time hiking, camping, and paddle boarding.
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Leeland Batts is an Environmental Health and Safety Specialist at Texas State University under the Environmental Health, Safety, Risk and Emergency Management Department. With 3 years of experience as an educator and interpreter within informal scientific and environmental non-profit organizations, he supports environmental education and outreach programs along with food safety compliance