 DWU Central Plant currently has six (6) “A”, seven (7)”B”, 14 “C”, and five (5) “D” Texas Commission on Environmental Quality TCEQ Certified operators on staff.CWWTP is ISO 9001, 14001, and 18000 compliant.CWWTP maintenance staff has implemented predictive maintenance program (PdM), Lean Six Sigma as well as utilized drone technologies to manage assets while reducing risks.