TCEQ Class D Water Operator License Test Questions and Answers

Rule of capturePermits owner of a well to pump as much water as desired, even if water is drained from beneath the land of others when treating surface water, the process of coagulation will be affected byall of the above a public water system is responsible for providingall of the above a common type of oxidant that is used at most surface water treatment plants to kill bacteria and to prevent trihalomethane formation iscombined chlorine Which of the following is a required step in collecting a routine distribution sample of microbiological analysisuse a sterilized bottles containing sodium thiosulfate The purpose of an airline on a well is which minerals cause water hardnesscalcium and magnesium Before a new main is placed into service, it must be properly disinfected with a minimum chlorine dosage of: a) 50 mg/L b) 30 mg/L c) 40 mg/L d) 75 mg/L e) 25 mg/L25 mg/L A disease which may be spread by inadequately disinfected water isHepatitis A A physical connection between a potable water supply and non-potable water source iscross connection underground geological water bearing formations that are used for public water supplies are calledaquifers Gravity filters will remove which of the following from surface water supplies: a) turbidity b) taste and odors c) nitrates d) hardness