D2 water distribution test (questions and answers) 100% correct

D2 water distribution test (questions and answers) 100% correct What is the primary purpose of the SDWA? - CORRECT ANSWER-To create uniform national standards for drinking water quality Who sets Maximum Contaminants Levels (MCLs)? - CORRECT ANSWER-USEPA What are some of the duties of the EPA? - CORRECT ANSWER-Sets MCLs, delegates enforcement of SDWA to state agencies, provides grant funds, monitors state activities, provides continued research What is state primacy? - CORRECT ANSWER-Giving the authority to the state to implement and enforce regulations True or False: State requirements must be at least as stringent as those set by USEPA - CORRECT ANSWER-True. A public water system is a system that supplies piped water for human consumption and that has at least ___ service connections or serves ___ or more persons for ___ or more days of the year. - CORRECT ANSWER-15, 25, 60 What is an nontransient, noncommunity public water system? Give an example of one. - CORRECT ANSWER-Establishments with their own private water systems that serve an average of 25 persons that do not live at the location, but the same people use the water for more than 6 months per year. Example: school or factory What is a transient, noncommunity public water system? Give an example of one. - CORRECT ANSWER-Establishments with own water system and serve at least 25 persons a day but these people only use the water occasionally and for short periods of time. Example: Motel or Park What is a community public water system? Give an example of one. - CORRECT ANSWER-Establishments with their own water supply that serve more than 15 homes. Example: HOA, or municipal water utilities Which of the public water systems are required to only monitor for nitrate, nitrite, and microbiological contamination? - CORRECT ANSWER-transient, noncommunity What does the National Primary Drinking Water Regulations (NPDWRs) specify? - CORRECT ANSWER-MCLs or a treatment technique requirement for contaminants that may be found in drinking water and could have an adverse health effect on humans What does the National Secondary Drinking Water Regulations (NPDWRs) specify? - CORRECT ANSWER-water contaminants that may adversely affect aesthetic qualities of the water such as taste, odor or color When must an agency post a public notification? - CORRECT ANSWER-When the water system violates any of the operating, monitoring or reporting requirements or if they exceed the MCL Lead and Copper Rule (LCR) - CORRECT ANSWER-Requires that samples be collected at customers taps after the water has remained undisturbed in the water piping for at least 6 hrs True or False: system operators are required to regularly collect and test water samples. - CORRECT ANSWER-tru