Airport Community, Water Quality Events, and the Aircraft Drinking Water Rule (2018) / Chapter Skim
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Pages 14-27
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14 CHAPTER THREE PRACTICES AND FINDINGS FROM INTERVIEWS This chapter presents the major findings of the participant interviews, supplemented with background information from the synthesis references. The findings of this synthesis are presented in four sections: The first section presents three detailed case studies of water quality events that affected airports.
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15 summer day demand. The reliability of this airport's public water system is attributed to the redundancy in supply from two feed points and pressure maintenance.
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16 Communication mechanisms also differ according to the situation, but generally the AOC communicates through an email distribution list. The EOC is used for incident notification if the event warrants that level of notification; water quality events would meet the criteria to use the EOC.
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17 Case Study Details In this water quality event, the wholesale water utility experienced a major water transmission break in its distribution system. This incident required the wholesale water utility to use an emergency source of water while the water main was taken out of service for repair.
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18 The wholesale water utility coordinated with the state's EMA to conduct public notification. The EMA helped manage initial public notification and coordinated a widespread outreach effort including highway signs and recorded announcements in subways.
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19 as well as specific additional actions, such as flushing lines to purge contaminated water. The SOPs were not shared for this synthesis because they had not been approved for release at the time this report was prepared.
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20 FIGURE 7 Case Study 3: Water System Configuration from the City to the Regional Airport. Source: The Cadmus Group LLC.
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21 Water Utility Comments on Emergency Communications Systems and Water Quality Events Although the water utility has not experienced significant water quality events since those described in this case study, it has continued efforts to improve its emergency communications protocols. The water utility makes direct personal calls to contacts on its critical contacts list and implements a reverse 911 system to other customers using a CodeRED® community notification system.
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22 Emergency communications within the airport are issued through an electronic system (Passer®)
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23 • Having airport personnel listed on the local water utility's critical contact list, if available, is extremely helpful. • Water quality events should be handled as emergency events and responded to appropriately.
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24 • While the environmental manager may be responsible for many other airport environmental activities, including water sampling, the environmental manager may have access to better tools to quickly disseminate information to the appropriate parties. • It appears feasible to use existing emergency notification systems and update them regularly in order to quickly notify appropriate parties of water quality events.
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25 (although this is not required) , who would then need to contact the EPA Regional ADWR Coordinator.
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26 FIGURE 9 Three Functions Inherent to a Water Quality Event SOP. Source: The Cadmus Group LLC.
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27 • Which populations are at risk, including sensitive subpopulations particularly vulnerable if exposed to the contaminant in the drinking water. • What the water utility is doing to correct the violation or situation.
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