Texas leader in environmentally sound and economically feasible regional waste management services. With our own state of the ... art facilities, GCA provides the cost effective means to meet your wastewater treatment needs and allows you the benefit of economy of scale for regulatory compliance and treatment efficiency. With the authorization to operate statewide, GCA is a leader in wastewater treatment and in enabling economic development by providing regional water and wastewater solutions, and bond financing programs for industry and municipalities. read more