The following is the procedure followed when issuing a Boil Advisory:
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Public Notice is issued to community informing them to boil their water.
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Once an acceptable chlorine residual is met, special follow-up* total coliform bacteriological samples must be scheduled.
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Samples are collected and analyzed by a certified laboratory.
*Follow-up sampling is a minimum of two consecutive days – Each sample takes a total of 48 hours to complete.
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After two consecutive days of negative sample are obtained, the Boil Advisory can be lifted.
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At that time, a Problem Corrected Notice is issued (either by an automated phone call or a hand-delivered notice) to the community.
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The estimated length of time a Boil Advisory remains in effect is a “minimum” of one week.