Izakhiwo zezakhiwo eziluhlaza zibuye zishintshe indlela imiphakathi ebanzi ehlanganisa ngayo ukulawulwa kwamanzi embulunga yonke. Ngokungafani nezakhiwo ezivamile ezimpunga — amapayipi, imihubhe, nezindawo zokwelapha — izakhiwo eziluhlaza zisebenzisa izimiso ezingokwemvelo noma ezingezizodwa zemvelo ukuze zithumbe, zinyange, futhi zingene emanzini angenayo endaweni yayo. Njengoba izinselele zamanzi zikhula ngenxa yokushintsha kwezindawo zasemadolobheni, isimo sezulu, kanye nokukhula kweminyango yokwakheka kwamanzi, kwenza izakhiwo eziluhlaza ezithambile, zibangele izindleko ezibizayo, kanye nomsindo wemvelo. Ukulungisa lezi zimiso zezimiso zezimiso zamanzi akusekona ukuzama ukuhlelwa kwesimiso samanzi kodwa akusasebenzi esiwusizo ekuhleleni amanzi.

Ukuqonda Iziyalezo Eziluhlaza

Izakhiwo eziluhlaza zihlanganisa izinhlobonhlobo zezindlela ezifana nezinqubo ezingokwemvelo zokulawula amanzi lapho ewela khona. Lezi zimiso zithembele ezihlahleni, enhlabathini, nasezindleleni ezingokwemvelo ukuze zibambe, zishelele, zifake amanzi angenayo, zinciphise imiqulu ephumayo nemithwalo egobile. Nakuba ngokuvamile ihlotshaniswa nokulawula amanzi asesiphephweni sasedolobheni, izakhiwo eziluhlaza zingafakwa emazingeni aphezulu — kusukela ensimu yemvula eyodwa ehlalayo kuya emapaki nasezindaweni ezibanzi zezindawo zokuhlala.

Izingxenye Zekhora Nezobuchwepheshe

Ithuluzi lezakhiwo eziluhlaza lihlanganisa izindlela eziningana ezimiswe kahle, ngayinye efanela izimo ezithile zesakhiwo kanye nezinhloso zokuphatha amanzi:

  • Izindlu eziluhlaza: Izimiso zophahla ezivezweyo ezifunxa imvula, zinikeze ukujikeleza, futhi zinciphise ukuna kwamanzi esiphepho. Zingagcina 50-80% yemvula yaminyaka yonke, kuye ngokuthi ijule kangakanani noma ihlelwe kanjani izitshalo.
  • [[IMIFLT:0] Imithetho engcono: I-ous asphalt, ukhonkolo, noma izivalo ezihlangene ezivumela amanzi angene ngaphandle angene ezingqimbeni zenhlabathi engaphansi, ukunciphisa ukuphuma kolwandle nokubuyisela amanzi angaphansi.
  • Izingadi zeRain nezindawo ze-Biotreootetics: Ispresso ezivezweyo, ispresso esibambayo esiphuma ophahleni, emigwaqweni, nasemigwaqweni. Izitshalo nenhlabathi zihlunga ukungcola lapho amanzi engena noma ephuma ebhapollansping.
  • Izimiso zobunjiniyela ezisebenzisa uhlaza lwemvula, inhlabathi, kanye nezinqubo ezithi ncrobial ukuze kunyangwe amanzi esiphepho namanzi angcolileyo. Zinikeza inani elikhulu lokususa i-othotut kanye nendawo yokuhlala.
  • Imithi ye-Urban Canopies ne-Fot Papes: Izihlahla zivimbela imvula, zandisa i-evapotlansspiration, futhi zinciphise ukuphehla. Izihlahla ezivuthiwe zingathatha amakhulu amalitha amanzi ngonyaka kuyilapho zinikeza izinzuzo zomthunzi nezingakhi zomoya.
  • Baoswales neVegeted Channels: Izimiso zokuthutha ezivezweyo ezihamba kancane, ezihluzayo, nezingena emanzini esiphepho njengoba egeleza emigwaqweni noma endaweni yokupaka izimoto.
  • [ Izimiso zokuvuna zamanzi: Imishini, imigqomo, kanye namathangi athatha uphahla empompoza izinto ezingasebenziseki njengenkasa nokugudlwa kwendlu yangasese, ukunciphisa isidingo samanzi atholakalayo kamasipala.

Lezi zingxenye ngokuvamile zihlanganiswa ezitimeleni zokwelapha ukuze zizuze izinzuzo eziningi — ukuthuthuka kwamanzi, ukukhuphuka kwamanzi, ukuvuselelwa kwamanzi angaphansi komhlaba, nokudalwa kwendawo. Ukukhethwa nokuklanywa kwezakhi eziluhlaza kuxhomeke esimweni sezulu sendawo, ezicini zenhlabathi, ekusetshenzisweni kwendawo, nasekuqondiseni imvelo.

Izakhiwo Eziluhlaza Eziwutshani Ekuhlelweni Kwesimiso Samanzi

Ukususa izakhiwo eziluhlaza emanzini kudinga ukushintshwa okuyisisekelo ekulawuleni amanzi ngokushesha ngangokunokwenzeka, ukuwabheka njengendawo engabanjwa, engaphathwa, futhi isetshenziswe futhi. Lokhu kushintsha kwe-paradigm kuboniswa ekuhlelekeni okuguquguqukayo, ezingeni elingokokusekela imali, eziza kuqala, nasekuhleleni izinqubo ezisezingeni lendawo, lesifunda, nelesizwe.

Ukugawulwa Kwamanzi Esiphepho Nokuhlanganiswa Kwawo

Omunye wabashayeli abayinhloko ukuze bathole izakhiwo zokusetshenziswa kwezakhi zemvelo eziluhlaza yisidingo sokulungisa indle egcwele. Emadolobheni amadala anezimiso zokukhuculula indle ezihlangene, izenzakalo zemvula ezinkulu zinqoba imishini yokwelapha, zikhiphela indle namanzi esiphepho angenayo emanzini. Izakhiwo zemvelo ze Green ewnhla ehlelayo engene esimisweni, ukuncipha kokudla okusheshayo nokwanda. ICitys enjenge Philadelphia, New York, neWashington D.C. iye yazibophezele ekuhleleni izinhlelo zezakhiwo zezindawo eziluhlaza okwesilinganiso esikhulu zezindawo ezingokwesilinganiso njengengxenye yemithetho yazo yezemvelo nezindawo zokulawula indawo ezungezile. I-U. i-U.S.Agencylicatencelment i-otection ephakathi kwezimiso eziluhlaza njengendlela yokuhlangana nezimfuneko ze-cccrood Water Act.

Ukuthuthukiswa Kwamanzi Nokucekelwa Phansi

Ugesi ohamba phambili wokungcola kwamanzi ezindaweni eziningi ezithuthukisiwe, uthwele imfucumfucu, izakhi, izinsimbi ezisindayo, ama-athogen, kanye nokuvela kwezinto ezibangela ukuhlatshwa kwemifula, amachibi, namanzi asogwini. Izakhiwo zemvelo eziluhlaza zisusa izinto ezingcolisayo ezisezingeni elingaphandle, izigcawini, ukuthenwa kwezinto eziphilayo, nokuwohloka kwemicrobial. Ukuhlola kubonisa ukuthi izimiso ze-biotrementation zinganciphisa ingqikithi eqinile encishiswe ngo-80-95%, ingqikithi ye-atrogen ngo-40-60%, nengqikithi ye-phosphorus ngo-50-80%. Lokhu kusebenza okuqinisekisiwe kwenza i-microscope eluhlaza esebenzayo kube yithuluzi elisebenzayo le-All Daily Last (MDL) kanye ne-octer-octives.

Ukuncipha Kwengozi Kazamcolo Nokushintsha Isimo Sezulu

Njengoba ukushintsha kwesimo sezulu kukhuphuka kakhulu, imiphakathi ibhekene nezingozi ezikhulayo zezikhukhula. Izimiso zokukhipha amanzi eziklanyelwe izindlela zemvula ezingokomlando ziyancipha. Izakhiwo zezakhiwo zemvelo zinikeza, indawo yokugcina inqolobane elingana nezidingo zesikhathi esizayo. Ngokugcina igeleza ezindaweni ezinciphileyo nakwehleleni kweqophelo eliphezulu, lezi zimiso zinciphisa ukucindezeleka ezizingeni eliphansi kanye nokulimala okuphansi kwesikhukhula. Ukuhlolwa kwe World Bank kulinganisela ukuthi amakhambiza emvelo angakhulula i-30-50% yemali uma kuqhathaniswa nezindawo ezinomfula, kanti ukuvikela imfutho noma imfutho ephakeme.

Ukuwohloka Kwezomnotho Kwezakhiwo Eziluhlaza

Indaba yezezimali yezensekelo eziluhlaza inamandla, nakuba idinga ukubala ngokucophelela izindleko zokusebenza kwebhayisekili, i-coneflution, futhi igwema umonakalo. Ukuhlolwa okungokomdabu kwezindleko zokulungisa izindleko ezigxile kuphela ezindlekweni zokwakha ezihlelelwe phansi kwenani lezakhiwo eziluhlaza ngoba zishiya imali egciniwe egciniwe, izindleko zenkokhelo yemali, nezinzuzo zenkonzo yezemvelo.

Izindleko Zokusinda Nezokusindisa Izibhayisikili

Nakuba izakhiwo eziluhlaza ngokuvamile zinezindleko eziphezulu zokuklanywa nokufakwa kwamanzi avamile, zingakhokha imali eshisiwe egciniwe egciniwe ehlala isikhathi eside. Ukuncishiswa kwemisebe ephansi yezindleko zokusetshenziswa kwemisebe, ukuncishiswa kwamandla, futhi kwandisa ukuphila kwezakhiwo ezisemzileni wesidleke. Uphahla lwe Green paralis lweminyaka engu-30-40 — ukuphindwa kabili kwenani lokuhlala kwafulendawo evamile yophahla — ukunciphisa izindleko zokubuyisela. Izindawo ezihambayo zinciphisa isidingo seziphepho ezingaphansi kwesiphepho kanye nezigodlo. Ukuhlaziya okubanzi kwe-American Society of Mozaccity Architects kwathola izindleko zokuhlala iminyaka engu-15-40-40% — ukuncipha kwezindleko zokusetshenziswa kophahla oluvamile ezivamile.

Izindinganiso Zempahla Nentuthuko Engokomnotho

Izakhiwo eziluhlaza zithuthukisa inzuzo yempahla futhi zihehe imali yokutshala imali. Ucwaningo lubonisa ukuthi ukusondela ezindaweni eziluhlaza, izihlahla zasemgwaqweni, kanye nasezingadini zemvula kwandisa amanani ezindawo zokuhlala ngo-3-15%. Izifunda zezentengiselwano ezineziteshi eziluhlaza zithola izimoto ezihamba ngezinyawo nentengo ephakeme. Lezinzuzo ezikhuphukayo zezomnotho zivame ukukhishwa ekuhlolweni kwemithetho yamanzi, kodwa zimelela izinzuzo zangempela emiphakathini nasezindaweni zentela zikamasipala.

Ukusebenzisa Imishini Nezikhangiso

Ukusebenzisa isisekelo esiluhlaza kudinga ukusekela imali enikezelwe empondweni kanye nezisusa zezimiso. Izindlela ezivamile zihlanganisa:

  • Stormwater Utility Fees: ohulumeni bakhokha abanikazi bempahla abasekelwe endaweni engaphandle engangenwa yilutho, benikeza ikweleta ukufaka izakhiwo eziluhlaza. Lokhu kuveza isisusa esiqondile sezomnotho sokuzifaka.
  • [ Izakhiwo ze-Foderal ne-Hulumeni: Izinhlelo ezinjenge-EPA Ceast Water State Revoking Fund ne-FEMA Building Ressilient Refractiveturation nesimiso somphakathi manje sixhasa ngokucacile izakhiwo zezakhiwo zezakhiwo eziluhlaza.
  • [[I-FLT:0]] Ama-Tax Incentives nama-Rebates: Amanye amadolobha anikeza intela yempahla noma imifantu eqondile yokufakwa kophahla oluluhlaza, izimiso zokuvuna amanzi emvula, noma izikhungo ezikwazi ukufakwa emgwaqweni.
  • [ I-Environ Impact Bonds:[ Lamathuluzi amasha emali ahlanganisayo abuyisela ukuqinisekisa imiphumela yokusebenza, ukuhlanganisa inzuzo yomnikazi neyomphakathi.
  • Imikhumbi-Privalic-Private:[ abathuthukisi bobuso nezinkampani zifaka izakhiwo eziluhlaza njengengxenye yezibopho zokusekela inkampani noma ukuhlangabezana nezimfuneko zomthetho wokwakha omusha.

Izinselele Nezithiyo

Naphezu kwesithembiso sawo, ukuvunyelwa kwezakhiwo eziluhlaza kubhekene nezithiyo ezinkulu.

Izinselele Zobuchwepheshe Nezomklamo

Izakhiwo zesakhiwo ezibanzi zixhomeke ezimweni eziqondene nendawo. Izimfuneko zokugcinwa kwezindawo, nakuba zingaphansi kwezindawo zokwelapha ezivamile, zingangenisiwe emhlabathini, zithambekile, futhi zikhona. Inhlabathi ephansi enokwehla kwemisebe eqinile, idinga amadlelo angaphansi noma ukubuyiselwa. Ezindaweni eziminyene, ukugcinwa kwezindawo kanye nezingalawuli ezingaphansi komhlaba. Imfuno zokugcinwa komhlaba, nakuba zingaphansi kwezindawo zokwelapha ezivamile, azinamali ebekelwe phansi futhi zinganakwa ngaphandle kokusetshenziswa komsekelo onikezelweyo nezisebenzi eziqeqeshiwe. Izimiso kumelwe zihlolwe, zithengwe, zithenwe, zifuthwe, zifakwe amapulangwe, futhi zithathelwe indawo ngezikhathi ezithile ukuze zisebenze ngendlela ephumelelayo. Ukuhluleka ukugcina izakhiwo eziluhlaza, ukufunzwa komiyane, nokulahlekelwa kwesibindi emphakathini.

Izithiyo Zezinhlangano Nezokuqondisa

Ukuphatha amanzi kuvame ukuhlukaniswa phakathi kwezinhlangano eziningi — amanzi angcolile, amanzi okuphuza, amanzi okuphuza, amapaki, ezokuhamba, nokuhlela. Izakhiwo zezakhiwo eziluhlaza zidinga ukuhlangana okunganqamukiyo okungekho omasipala abaningi. Imithetho yokwakha ekhudlulwayo, imithetho yokuhlela, nezindinganiso zokuklama emgwaqweni zivame ukuvimbela noma ukuvimbela imisebenzi yezemisebenzi eluhlaza. Ngokwesibonelo, eminye imithetho idinga ububanzi obuncane bemigwaqo futhi inqande ukufakwa kwezakhi zomgwaqo eziqinile.

Ukucabangela Umphakathi Nokungakhethi

Izakhiwo zezakhiwo ezingaphezulu zingaba nezingahlelelwanga ngamabomu. Izindawo ezingenisa imali ephansi nezindawo ezinemibala ehlukahlukene ngokuvamile zinezindawo ezingavikeleki kakhulu, izihlahla ezinciphileyo, nengozi yezikhukhula ezingaphezulu, kodwa zingashaywa indiva ekubekeni izakhiwo eziluhlaza ezitshalwayo. Ukubeka izakhiwo eziluhlaza ezindaweni ezigciniwe ngaphandle kokubopha okunenzuzo kungaholela ekususweni ngokufakwa kwezindawo ezibandayo — okwaziwa ngokuthi ukukhuliswa okuluhlaza. Uhlelo lwezimiso zamanzi olusemthethweni lumelwe lufake imingcele ezindaweni ezisengozini enkulu yokukhukulisela nokungcoliswa kwenhlabathi, futhi luhlanganise izakhiwo ezingaphezulu ezisezingeni eliluhlaza kakhulu, kanye nezisetshenziswayo ezithi zigcine amaqhinga aluhlaza amelene nokumelana nomphakathi athembele kuwo kanye nendawo ezindawo zomphakathi ezibandayo.

X Izithoba

Ukuhlola indlela izakhiwo eziphambili eziye zasetshenziswa ngayo ezinhlamvwini eziluhlaza kunikeza izifundo eziwusizo kubenzi bemithetho nakodokotela.

IFiladelfiya — Idolobha Eliluhlaza Namanzi Ahlanzekile

Isimiso se-Philadelphia esiwuphawu lwezici zemvelo, esaqaliswa ngo-2020, sihlose ukuthatha umthamo ongaphezulu ka-85% wendle ehlangeneyo ngezakhiwo eziluhlaza eminyakeni engaphezu kwengu-25. Idolobha litshala imali eyizigidi eziyizinkulungwane ezingu-R3,2 ezimbonini zemvula, kuhlanganise nezingadi zemigwaqo eluhlaza, imigwaqo egandaganda, nophahla oluluhlaza. Ngo-2023, iPhiladelphia yayisikhile izinto ezingaphezu kuka-500 zezendlu eluhlaza, iphethe amathayi alinganiselwa ezigidi ezingu-5 zamanzi avunguvundlile, izinga lomoya elingcono, kanye nezinga eliphezulu lempahla ezindaweni ezihlanganyelayo.

INew York City — Isimiso Sokwakha Esiluhlaza

IDolobha laseNew York lizimisele ukwakha izakhiwo eziluhlaza ngokwesilinganiso esingakaze sibe khona. I-NYC Green Infrapublicare Program, eyasungulwa ngo-2010, ihlanganisa uphahla oluluhlaza, i-bioswales, izingadi zemvula, nezindawo ezihambayo ezivulekile eziya ekwakhiweni kwesokudla. Ngo-2022, leli dolobha lase lifake izisekelo zezakhiwo ezingaphezu kuka-4000 ze-athobossway kanye nophahla lwama-700 oluluhlaza. Lo hlelo luye lwaphumelela kakhulu ekunciphiseni indle yamanzi ahamba emanzini eBronx naseBrooklyn. INew York idinga futhi isakhiwo esiluhlaza esitsha esitshayo futhi esikhulela ukuvusemuva kwezambulo leMiyalo yeSikhukhula.

ICopenhagen — Icebo Lokuphatha Iqubula

Ngemva kwenhlekelele eCopenhagen, kwasungulwa iPlan ye-Churedburst Management ebanzi ehlanganisa isakhiwo esiluhlaza nemfucumfucu esetshenziswa ngokwesiko. Icebo lihlanganisa imigwaqo e-Engamigeni, amapaki, nezindawo zokuhlala njengezindawo ezisebenza kakhulu ezingathwala amanzi avunguzayo phakathi nezenzakalo ezinkulu kuyilapho kunikezwa inzuzo ne-asthetics phakathi nezulu elimanyene. Imisebenzi ebalulekile ihlanganisa i-Skybrududsvej (Colbagest) e-Engavej, leyo misele ehamba ngemigodi eluhlaza ezuliswa ngezihlahla ne-bioswales. Indlela yeCopenhagen ibonisa indlela i-mfono engcono engenziwa ngayo ukuze kuqondiswe amanzi amanzi amanzi ansuku zonke nesenzakalo esikhulu.

ISingapore — Isimiso Samanzi Angenambala

Uhlelo lwe-Singapore olune-Pience, Beat, Clean Waters luguqula imifula yamanzi aphumayo nonokhonkolo iwenze imifula engokwemvelo, amaxhaphozi, nezindawo zokuzijabulisa. Uhlelo luhlanganisa izinga lamanzi, ukulawulwa kwezikhukhula, nomphakathi ukuze kwenziwe imiklamo ehlotshisiwe. Iprojekthi yeBishan-Ang Mo Kio Park, eyadala umsele wamanzi owenziwe ngebanga elingamakhilomitha angu-2,7 owenziwe umfula owenziwe ngamabhishi owenziwe ngamabhilidi ne-scape, iyisibonelo esiqandayo emhlabeni wonke. I-palishi elibuyiselweyo lilawula isikhukhula samanzi, lithuthukisa izinga lamanzi, futhi lingenisa izilwane zasendle ezihlukahlukene ngesikhathi sinikeza izigidi zezakhamuzi indawo eluhlaza.

Iziqondiso Zesikhathi Esizayo Nemikhuba Eyanqwabelana

Isizukulwane esilandelayo sezakhiwo eziluhlaza siyololongwa ubuchwepheshe obuthuthukisiwe, ukuhlelwa okuhlangene, nokuhlelwa kwezimiso ezilungisayo.

Ukusetshenziswa Kobuchwepheshe Obuhlakaniphile

Izinzwa ezisezingeni eliphansi, ukuhlola kwangempela, nokulawula okuzisebenzelayo kwenza ukuba kukwazi ukuhlelwa kwezakhiwo eziluhlaza. Izingadi zemvula ezihlakaniphile ezinezilawuli zokukhipha injini zingagcina amanzi amaningi phakathi nezikhathi ezomile futhi zikhulule ngaphambi kweziphepho ezibikezelwe. Izimiso ze-inthanethi zilandela umswakama wenhlabathi, impilo, nezingalo ezihluzekile, ukwenza uhlelo olufanele lokulungisa nokuthuthukisa ukusebenza. Amawele emishini — aveza izimpawu zemifelandawo eluhlaza — avumela abasebenzisi ukuba balinganise izimo, babikezele ukuhluleka, futhi balinganisele ukusebenza kwesimiso somhlaba wonke.

Izimiso Zohlaza Oluluhlaza Ngokuluhlaza

Izindawo eziluhlaza kanye nezimpunga azinakuhluka. Izimiso ze-hybrid zihlanganisa ukwethembeka namandla amapayipi avamile nezinzuzo ezisakazwayo zezici eziluhlaza. Ngokwesibonelo, umhubhe wamanzi anesiphepho ungahlanganiswa nezinto eziphilayo ezingaphezulu kanye nezingadi zemvula ezinciphisa ukugeleza kwamanzi ageleza futhi zithuthukise izinga lamanzi ngaphambi kokuba angene emhubheni. Imiklamo ye-Hybrid inikeza ukuguquguquka, ukuvumelana nezimo, kanye nokubiza, ikakhulukazi izakhiwo zasemadolobheni ezikhona.

Ukulungisa Inqubo Nokuhlela Okungahlotshisiwe

Izimiso zamanzi ezibheke phambili yizisekelo ezinombala oluhlaza ezijikelezayo ezisetshenziswa kakhulu ezweni, ekuthutheni, nasekuhleleni isimo sezulu. Isihluthulelo sokuvela sihlanganisa:

  • Imvume esekelwe ngokusekelwe: Esikhundleni sokuqondisa impopho ngayinye, imvume ikhishwa esilinganisweni esicini esicishiwe, ivumela izinto ezinomkhiqizo ukuba zisebenzise izakhiwo eziluhlaza njengethuluzi lokulalela kakhulu.
  • [ Imikhumbi yomphakathi esekelwe kuhulumeni-okanye nomphakathi:[ Izindlela zobungako bendawo zihilela izakhamuzi, amabhizinisi, kanye nenzuzo ekuklameni, ekusekeleni izimali, nasekulondolozeni izakhiwo eziluhlaza, ukwakha ubuphathi nobunikazi bendawo.
  • Imishini yokulinganisela i-Resilince Systems: amathuluzi anjengesimiso sezesisekelo sesisekelo sesisekelo sesisekelo se-STAR community iyazikweleta ngokuqondile isisekelo esiluhlaza esiqinile sokuzinzisa kwamanzi, izinga lamanzi, kanye nezimiso zomphakathi.
  • I-National and International Comfissions: I-European Union's Biodiversity Strategy ne-U.S. America inyathelo elihle lokuthatha isinyathelo elibeka izisulu ezikhandlekayo zokubuyisela izimiso zamanzi emvelo. I-Global Commission on Amplifitation ithole izixazulu zendalo njengendawo yokuqala yesakhiwo samanzi esinezisekelo zamanzi.

Isiphetho — Isimiso Sokushintsha Ukwakheka Kwamanzi

Izakhiwo zezakhiwo eziluhlaza zisusiwe ekuhlolweni kwemisebenzi yokuhlola inqubo ebanzi yokuhlela amanzi. Ubufakazi bucacile: lezizimiso zinciphisa izingozi zezikhukhula, zithuthukise izinga lamanzi, zithuthukise izinga lezinhlobonhlobo zezinto eziphilayo, zisekele isimo sezulu, futhi zinikeze izinzuzo zezezomnotho. Kodwa ukuqaphela ngokugcwele izakhiwo eziluhlaza kudinga ukuklanywa kwezimiso zezimiso zokwakha, ukuhlelwa kwemisebenzi yomphakathi, ukuhlelwa kwezindawo zomphakathi. Abenzi bomthetho kumelwe bahambe ngalé kwezimiso zokulawula izindiza nemisebenzi esendaweni ezungezile ukuze bathuthukise izakhiwo eziluhlaza okwengxenye eyisisekelo yezimiso zokuphatha amanzi. Lokhu kusho ukuthuthukisa amaziko angaphakathi, ukuhlela izinhlelo zokwakha imishini yokwakha, ukuhlelwa kwemisebenzi yobuchwepheshe, nokuqinisekisa ukuthi izinhlangano zifinyelela emiphakathini edinga kakhulu. Ukushintsha kwezimiso zamanzi ezisebenza ngemvelo, hhayi nje, akuyona isisekelo semvelo — isisekelo sezentenga engcono kakhulu, futhi ilungele ukuvundabala eliqinile.