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Barker Lemar Engineering Consultants

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Mr. Brian Rath, P.E., M.ASCE

Barker Lemar Engineering Consultants

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RE: Pathogens in the Water Supply

Posted By Brian Rath 12-08-2018 09:26 PM
Found In Egroup: Environment, Coasts, Oceans, & Infrastructure \ view thread
The issue eluded to is that low pressure can cause a vacuum in part of the system, thereby drawing in contamination. This is why backflow preventers or vacuum breaks are required. A simple example is a homeowner is using a hose end sprayer. Elsewhere in the system, a fire breaks out in an old area of ...