Thesimplestwaterpollutiondefinitionwouldbeanycontaminationofwaterbodieswithsomepollutant(s)thatchangesphysical,biological,andchemicalconditionsofanybodyofwatermakingthiswaterharmfulforenvironmentandsurroundingecosystems.Waterpollutionoccursoncetoomuchpollutants(mostlyinformofdifferentwaste)aredischargeddirectlyorindirectlyintowaterbodies.Waterpollutiondoesnotonlycausegreatenvironmentaldamagebutisalsotheleadingworldwidecauseofdeathsanddiseasesresponsibleforthedeathsofmorethan14,000peopleeachday,mostlyindevelopingcountries.Manypeoplearenotawarethatwaterpollutionisseriousprobleminalmostallpartsoftheworld,andnotjustinthirdworldcountrieslikesomechoosetobelieve.Infactmanyexpertswilltellyouthatrealityiscompletelydifferentthanthecommonbelief,andthatactuallywaterpollutionproblemisalreadyoutofcontrol.Waterpollutionproblemisinmostcasesconnectedwiththecarelesshandlingofchemicalagents,toxinsintroducedintoourwaterthroughindustrialdumping,andfarmrunoff.Allthesefactorsmakeourwaterunsafetodrink.Forinstance,thechlorinethatiswidelyusedtodisinfectourwaterisbelievedbymanytobecarcinogenic,andthereforeamajorhealthissuethatsignificantlycontributedtoworldwideriseofcancerrates.Basicallychlorineispresentineveryglassofwaterwedrawfromourtap,andalthoughsomestudieshaveconfirmedthatchlorinecanindeedbeoneofthecancerriskfactorswesimplycannotdowithoutitbecausebyremovingchlorinefromourwaterwewouldopenthedoortomanywaterbornediseasesthatwouldkillmillionsofpeoplearoundtheglobe.Sohowtoprotectyourselffromwaterpollution?Thebestoptionavailabletousistoinstallamulti-layeredhomewaterfilteringsysteminyourhome.Thebestoptionismultimediablocksystemthathasanactivatedgranularcarbonfilter,asubmicronfilter,andanionexchange.Thissystemiscapabletopreventupto99.99%ofalloftheharmfulcontaminantspresentinourwaterfromenteringyourhome.Highqualityhomewaterfilteringsystemisreallyyourbestallyagainstwaterpollution.网上找的这篇,符合你的基本要求了,希望能帮到你。