Mfumo wa maji ya Nairobi unaelezwa na sababu za uhaba wa kudumu

Nairobi inategemea mtandao tata wa mito, madamu na mabomba ili kusambaza maji kwa zaidi ya milioni nne ya wakazi, lakini uhaba wa maji bado ni ukweli wa kila siku katika vitongoji vingi. Ukuaji wa haraka wa idadi ya watu na miundombinu ya zamani husababisha uhaba huu wa kudumu. Rais William Ruto amefichua mipango ya kuongeza usambazaji wa maji kupitia handaki la kukusanya maji la Kaskazini.

Nairobi, yenye idadi ya takriban milioni tano ya watu, inahitaji hadi lita milioni 900 za maji kwa siku. Maji mengi ya jiji yanatoka mito na madamu katika Milima ya Aberdare na maeneo yanayozunguka. Vituo vikuu vya usambazaji ni pamoja na Bwawa la Ndakaini, Bwawa la Sasumua, Bwawa la Ruiru, na vichukuzi vidogo kwenye mito inayotoka kwenye nyanda za juu zenye misitu.

Kabla ya kusukumwa kwenye mtandao wa usambazaji wa Nairobi, maji ghafi huchakatwa kwanza katika viwanda vya matibabu vilivyo nje ya jiji. Baada ya kutibiwa, maji husukumwa na kuhifadhiwa katika hifadhi kubwa na matangi ya huduma vilivyowekwa kote mjini, na kutoka hapa, vituo vya kusukuma hutumia mabomba kusambaza maji kwa nyumba elfu, biashara, hospitali na viwanda.

Licha ya mtandao mzito wa usambazaji, wakazi katika mji mkuu wamekuwa wakiteseka na uhaba wa maji unaorudiwa-rudiwa katika maeneo fulani. Hii husababishwa na sababu kadhaa. Kwanza, usambazaji wa maji kaunti nzima umegawanywa katika maeneo ili kusimamia usambazaji, kupunguza hasara, kushughulikia masuala ya usambazaji na malipo; hata hivyo, hii inakuja na hasara fulani.

Maeneo karibu na hifadhi au katika nyanda za chini huandaliwa maji kwa ujumla zaidi, wakati majengo ya ghorofa nyingi na vitongoji kwenye ardhi ya juu mara nyingi hutegemea kusukuma au upangaji wa maji, ikieleza kwa nini maeneo mengine hupokea maji zaidi kuliko mengine.

Zaidi ya miaka, uhamiaji wa vijijini-miji umekuwa ukiongezeka, na miji mikubwa, ikiwemo Nairobi, imepitia ukuaji wa haraka wa idadi ya watu, ambao umepanuka haraka kuliko uwezo wa miundombinu ya maji ya jiji. Hii inamaanisha kuwa maeneo mapya na makazi yasiyo rasmi mara nyingi hutegemea mfumo wa maji ulioundwa kwa watu wachache.

Zaidi ya hayo, umri wa zamani wa mabomba mengi mjini mara nyingi hufanya wayahamishe kwa uvujaji na kupasuka, na ikiwa hii itatokea, uhaba wa maji unaoweza kudumu wiki kadhaa katika maeneo fulani si jambo jipya.

Kwa upande mwingine, kuchukua mabomba bila idhini na uharibifu mara nyingi hupunguza usambazaji kwa miunganisho mingine ya maji. Sababu zingine, ikiwemo mifumo isiyotabirika ya mvua, misimu mirefu ya ukame, na shughuli za binadamu katika minara ya maji yenye misitu, mara nyingi huathiri ubora na kiasi cha maji kinachosambazwa kaunti.

Matibabu, usambazaji, kukusanya, kutibu na udhibiti wa maji Nairobi inasimamiwa na Kampuni ya Maji na Maji Taka ya Jiji la Nairobi.

Ili kutatua uhaba wa kudumu, Rais William Ruto alifichua mipango ya kuongeza usambazaji wa maji mjini kupitia handaki la kukusanya maji la Kaskazini, ambalo ni handaki la uhamishaji wa maji ghafi la km 11.8.

"Najua tuna tatizo la uhaba wa maji Nairobi. Nataka kutoa uhakika kwamba katika wiki moja au mbili zijayo, tutazindua Handaki la Kukusanya Kaskazini, ambalo litakuleta lita bilioni 140," Ruto alisema siku ya Jumatano, Machi 12.

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