Trungale Engineering & Science (TES) is a natural resource-based environmental and engineering consulting firm in Austin, Texas. TES provides a wide range of environmental services to clients in the private, nonprofit, and state & federal government sectors. These services include instream flow studies to quantify the effects of alternative flow regimes on aquatic habitat, evaluation of groundwater-springflow interactions, determination of freshwater inflow needs for bays and estuaries, and regional and state water planning including water availability analysis and water rights review. TES also has extensive experience in the management of all aspects of large-scale environmental projects, modeling and advanced GIS capabilities.