Full job description. The Cibolo Creek Municipal Authority (CCMA) , provides regional wastewater services for the area northeast of San Antonio, Texas and serves the communities of Schertz, Cibolo, Selma, Randolph Air Force Base, and portions of Live Oak, San Antonio, and Universal City. The overall system includes the gravity interceptor system, lift stations, force mains, a water reclamation plant, and a reclaimed water distribution system. The...