General Users of Public Water Supplies During a boil water advisory Do not consume tap water that h as not been disinfected ice or drinks made from tap water that has not been disinfected or raw foods rinsed with tap water that has not been disinfec ID: 8138
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BOILWATERADVISORYGUIDELINESThisinformationwasadaptedfrommaterialsdevelopedbyCDCinCryptosporidiumandWater:APublicHealthHandbook.GeneralUsersofPublicWaterSuppliesDuringaboilwateradvisory: Donotconsumetapwaterthathasnotbeendisinfected,iceordrinksmadefromtapwaterthathasnotbeendisinfected,orrawfoodsrinsedwithtapwaterthathasnotbeendisinfected.Disinfectwaterbyboilingatarollingboilfor1minutefilteringthroughareverseosmosisfilter,anabsolute1micronfilterorafiltercertifiedunderNSFInternationalStandard#53foreithercystremovalorcystreduction.(UltravioletlighttreatmentofwaterisnoteffectiveagainstCryptosporidium,atnormallyusedlevels).Safealternativesourcesofpotablewaterincludebottled,treatedordistilledwater.Sanitizedishesbywashingindishwashingmachinesthathaveadrycycleorafinalrinsethatexceeds113EFfor20minutesor122EFfor5minutesor162EFfor1minute.Handwasheddishesshouldberinsedforoneminuteinadilutebleachsolution(1tablespoonpergallon)andallowedtoairdry.Itisokaytowashclothes.Providepetswithboiledwaterafteritiscooled.Uponrescindingofaboilwateradvisory: Flushhouseholdpipes/faucets:followthedirectionsofyourwaterutility(inthenewspaper,radio,ortelevision)or,asgeneralguidance,runcoldwaterfaucetsfor3minuteseachiftheyhavenotbeenusedinthelast24hours.lushhomeautomaticicemakers:makethreebatchesoficecubesanddiscardallthreebatches.Drainandrefillyourhotwaterheaterifsetatalowtemperature(below113EF).Runwatersoftenersthrougharegenerationcycle.Drainreservoirsintallbuildings.Flushdrinkingfountains:runcontinuouslyfor3minutesFlushwatercoolers:runcoolerswithdirectwaterconnectionsfor5minutesThisinformationwasadaptedfrommaterialsdevelopedbyCDCinCryptosporidiumandWater:APublicHealthHandbook. BoilWaterAdvisoryGuidelinesPage3AllemployeeswithdiarrhealillnessshouldberegulatedbystandardrulesBoilWaterAdvisoryGuidelinesofexclusionfromwork.Sanitizedishesbywashingindishwashingmachinesthathaveadrycycleorafinalrinsethatexceeds113EFfor20minutesor122EFfor5minutesor162Effor1minute.Uponrescindingofaboilwateradvisory: Restartandflushanywaterusingfixtureorpieceofequipmentinaccordancewiththemanufacturersspecifications.Thismayvaryfromfixturetofixture.Consultyourfacilitysengineerand/orthemanufacturerwhenrestartingtheequipment.Managersoflargebuildingswithwaterholdingreservoirsshouldconsultwiththeirfacilityengineerandhealthdepartmentaboutdrainingthereservoir.Followthedirectionsofyourwaterutility(inthenewspaper,radio,ortelevision)or,asgeneralguidance,runcoldwaterfaucetsanddrinkingfountainsfor3minuteseachiftheyhavenotbeenusedinthelast24hours.Rundrinkingfountainsfor3minutesbeforeusingthewaterorfollowthedirectionsofyourwaterutility.Drainandrefillyourhotwaterheaterifsetatalowtemperature(below113EF).ThisinformationwasadaptedfrommaterialsdevelopedbyCDCinCryptosporidiumandWater:APublicHealthhandbook.DentalOfficesDuringaboilwateradvisory: Patientsandemployeesshouldnotrinseouttheirmouthsorconsumetapwaterthathasnotbeendisinfected.Onlyusedisinfected,bottled,sterileorwatertreatedasdescribedbelowforallprocedures.Disinfectwaterbyboilingatarollingboilfor1minuteofilteringthroughareverseosmosisfilter,anabsolute1micronfilterorafiltercertifiedunderNSFInternationalStandard#53foreithercystremovalorcystreduction.(UltravioletlighttreatmentofwaterisnoteffectiveagainstCryptosporidium,atnormallyusedlevels).Allemployeeswithdiarrhealillnessshouldberegulatedbystandardrulesofexclusionfromwork.Turnoffthetapwatersupplytohighspeedhandpieces.Usewaterasdescribedaboveinaclosedsystem,oruseabulbsyringe. Page5Uponrescindingofaboilwateradvisory: Restartandflushanywaterusingfixtureorpieceofequipmentinaccordancewiththemanufacturersspecifications.Thismayvaryfromfixturetofixture.Consultyourfacilitysengineerand/orthemanufacturerwhenrestartingtheequipment.Managersoflargebuildingswithwaterholdingreservoirsshouldconsultwiththeirfacilityengineerandhealthdepartmentaboutdrainingthereservoir.Followthedirectionsofyourwaterutility(inthenewspaper,radio,ortelevision)or,asgeneralguidance,runcoldwaterfaucetsanddrinkingfountainsfor3minuteseachiftheyhavenotbeenusedinthelast24hours.Backwashpoolfiltersandchangemediaorwater.Runwatersoftenersthrougharegenerationcycle.DrainandrefillyourhotwaterheaterifsetatlowThisinformationwasadaptedfrommaterialsdevelopedbyCDCinCryptosporidiumandWater:APublicHealthHandbook.CommercialIceMakerUsersUponrescindingofaboilwateradvisory: A.Flushthewaterlinetothemachineinlet:1.Closethevalveonthewaterlinebehindthemachineanddisconnectthewaterlinefromthemachineinlet.2.Openthevalve,run5gallonsofwaterthroughthevalveanddisposeofthewater.3.Closethevalve.4.Reconnectthewaterlinetothemachineinlet.5.OpentheValve.B.Flushthewaterlinesinthemachine:1.Turnonthemachine.2.Makeicefor1houranddisposeoftheice.C.Cleanandsanitizeallpartsandsurfacesthatcomeincontactwithwaterandice,followingthemanufacturersinstructions.BOILWATE.WPD