region l

Members

Executive Committee

The SCTRWPG is composed of planning group members representing various interest groups. It is guided by the Texas Water Development Board, led by an Executive Committee, governed by bylaws, and supported by the San Antonio River Authority and a team of technical consultants. The existing members vote for new planning group members when a vacancy occurs or terms expire.

Nomination Form

Current Executive Committee

  • Curt Cambell, Chair
  • Humberto Ramos, Vice Chair
  • Gary Middleton, Secretary
  • Jason Ammerman, At-Large
  • Steve Metzler, At-Large

Voting Membership

InterestNameEntityCounty (Location of Interest)Term
PublicDianne WassenichLeague of Women VotersBexar and 2 other counties in the region2028
CountiesAndra WisianKendall County Commissioners CourtKendall2028
Travis PruskiWilson CountyWilson2026
MunicipalitiesGary MiddletonCity of VictoriaVictoria2026
Robert PuenteSan Antonio Water SystemBexar2026
Paul KiteCity of San MarcosSan Marcos2030
Ryan KelsoNew Braunfels UtilitiesNew Braunfels2028
Groundwater Management AreasTerrell GrahamGMA 15Goliad and 5 other counties in the regionIndefinite
Darrell BrownlowGMA 13Atascosa and 12 other counties in the regionIndefinite
Curt CampbellGMA 9Kendall and 4 other counties in the regionIndefinite
Daniel MeyerGMA 10Hays and 6 other counties in the regionIndefinite
Vic HilderbranGMA 7UvaldeIndefinite
IndustriesJason AmmermanDow ChemicalCalhoun2029
Dan YoxallSan Antonio Manufacturers AssociationBexar2027
AgriculturalTom JungamRancherKarnes2028
Adam YablonskiMedina County Farm BureauMedina2026
Weldon RiggsSouth Texas Independent Cattleman's AssociationAtascosa, Bexar, Karnes, and Wilson2026
EnvironmentalVanessa Puig-WilliamsEnvironmental Defense FundTexas Water Program2026
Charlie FlattenHill Country AllianceBexar, Comal, Kendall, Hays, and Medina2026
Small BusinessesMitchell SowardsExecutive TechnologistsBexar2028
Darren SimmmonsBiosure North America LLCBexar2026
Elec. Generating UtilitiesRyan BayleLuminantHays and Goliad2028
River AuthoritiesJonathan StinsonGuadalupe-Blanco River AuthorityGuadalupe and 9 other counties in the region2026
Steve MetzlerSan Antonio River AuthorityBexar, Goliad, Karnes and Wilson2029
John ByrumNueces River AuthorityUvalde, Zavala, Frio, La Salle, Dimmit, Atascosa and Medina2029
Water DistrictsAarin TeagueEvergreen Underground Water Conservation DistrictAtascosa, Frio, Wilson and Karnes2029
Roland RuizEdwards Aquifer AuthorityCaldwell, Hays, Comal, Guadalupe, Bexar, Medina and Uvalde2028
Tim AndrussVictoria County Groundwater Conservation DistrictVictoria2028
Debbie FarmerWintergarden Groundwater Conservation DistrictDimmit, La Salle, Zavala2026
Water Districts (Non-Groundwater District)Humberto RamosCounty Line Special Utility DistrictAtascosa, Bexar, Caldwell, Comal, Guadalupe, Hays, and Wilson2028
Water UtilitiesScooter MangoldYancey Water Supply CorporationMedina2026
Andrew McBrideSchertz Seguin Local Government CorporationGuadalupe, Bexar, and Comal2028

Non-Voting Membership

NameEntity
Carly RotzlerTexas Parks and Wildlife Department
Iliana DelgadoSouth Texas Watermaster, TCEQ – Region 13
Michele FossTexas Water Development Board
Jami McCoolTexas Department of Agriculture
Tony FranklinTexas State Soil & Water Conservation Board
Charles WiedenfeldRegion J Liaison
Tom HegemierRegion K Liaison
Don McGheeRegion M Liaison
Carl CrullRegion N Liaison
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