Water Distribution Level 2 . exam 2023 with 100% correct answers

What do water distribution system operators have the responsibility for? The health and well-being of the community they serve Frequently the water supplier tries to maintain specific minimum target __________________ throughput the distribution system. Water pressure (20 PSI minimum) All trenches and excavations are unsafe until... Proper shoring, used, and back filled Can the quality of water coming out of the consumers tap can be affected by what happens to the water as it travels through the consumers own system? Yes Biofilms will grow more easily on materials that supply... Nutrients Operators should be required to follow a prepared _________ schedule and document the work they do PM (preventative maintenance) A lack of chlorine residual in a distribution system could indicate? The presence of heavy contamination What is necessary to do when a new well, pump, or screen is completed Disinfect The chlorine injection should never be due to causing corrosion problems On the intake side of the pump What must be done before excavation can begin? Location of underground installations (811 locates) When must a confined space permit be renewed? each time someone leaves and re-enters the confined space What does nearly every area of a managers responsibilities require? Some type of planning