Heavy metals are known to accumulate in the plants then passed to the humans through the food chain. It abounded with fish and creatures like the water beetle. H��TMS�H��W�q��G�)��R�† dB%{`9#�IlY��ߧ����T���^zF�ׯ���L��v��j����~�U��� H�|UMO1��W�і�����n$�ZR��U���E�A���������������瓳1y:::�ZUV�&OT�J�J�ȵsn�`J[��|��g�B���M�Å���Ʌw��p�� ��֝��E Being a tributary of Athi River, it also contributes to water supply of Nairobi City. Near the Nairobi suburb of Kamulu they observed extensive sand-mining, which has further disturbed and eroded the riverbed ecosystem. Introduction Water pollution is the result of human activities that makes the water dangerous to human beings, unfit for industrial use and adversely affects the aquatic fauna and flora among others. R� ���:�h��w�|�CP��$��~�CR�Y�!�K{�]$�6��$f�20N�X���h��x��&k��v.�[�9�t/N��0��Q�$a?LA�0'ev��^d��!��q&���ԳN$G;x�TZQͥѢe�$��܎q|F,%��J��5J����十��m]�c��� ���Ǭ_���9#S��f)����~�������Yt�|�N���Zب:lT��U���%oz��a`#��\��^����o��:3;\�~l���m�e��e6�2D���,Ӫ���Ic�:e�|���|8���^����_t A Study was conducted to determine the level of pollution in the Nairobi River. Njunguna (1978) also added that pollution in the river (Nairobi-Athi-Sabaki) was chiefly due to domestic waste, industrial wastes and runoff (both rural and urban). endstream endobj 894 0 obj <>stream Ngong river rises from an altitude of about 1,980 m a.s.l and drains into the Nairobi River at 1,525 m a.s.l (Krhoda, 2002). rrying activities in the construction of Nairobi/Waiyaki highway. Nairobi River water, all the way from Lavington to Dandora, was a sparkling wonder a few decades ago. Water sources near the dumpsites are used as domestic water source for the people living near such sites. President Kenyatta tasked the National Environment Management Authority (NEMA), under the Ministry of Environment and Forestry, with the daunting task of cleaning up the river and sealing all sources of pollution and discharge of untreated water. The State of Water Quality in Nairobi River, Ken ya 1 Damaris Mbui, 1,2 Emily Chebet*, 1 Geoffrey Kamau, 2 Joshua Kibet* 1 Department of Chemistry, University of Nairobi, P .O. The sources of water for Nairobi River sub-basins are the Ondiri springs, the Kabete and Karura forests, the Ngong hills, and all the streams which join Pollution impact. P.O. Kangundo River Bridge is composed of deeply weathered Nairobi phonolites. ��A�eТ�x�>���m�?���hD����eJ���I-��A�Y���1��)0=�[s@�5�U����b���9���K��9��V$�9!�[���j��w�?.�a������!� (�� h�bbd``b`z$��e �" "V��y@�y+��D�A�Y�D&���������b``�M���� � �q endstream endobj 890 0 obj <>/Metadata 41 0 R/Outlines 59 0 R/PageLayout/OneColumn/Pages 885 0 R/StructTreeRoot 74 0 R/Type/Catalog>> endobj 891 0 obj <>/Font<>>>/Rotate 0/StructParents 0/Type/Page>> endobj 892 0 obj <>stream Most of the metal levels in water were below the critical limit of World Health Organization and Kenya Bureau of Standards except for lead, chromium, iron and manganese. reports related to the Nairobi River Basin Project (NRBP)-Phase II. On the contrary, the need for water of satisfying quality continuously grows. Water supply and sanitation in Nairobi is characterised by achievements and challenges. �Ӳ���t2i��y���mT:TV@�2�������w5�GuuU����uV�̗U7o�����` ɤL��{ �h��l��e��@y����:B9�X(���MD�v&�*���\E�"9��N�����d�e�y��m$��ȱ�$�׍��v?��O�^L�nLo��!>C����8c�!��L�kn�fCK�QO�2�[�^Y���G����\.��L4��`�!�*� �U"F �O��\A �zt.N{f��Cf8��Zc��P��` š¹+MabÂD5°ˆÒXæ멼. : +254 20 762 1234 Fax: +254 20 762 3927 e-mail: publications@unep.org www.unep.org www.unep.org 910 0 obj <>stream Nairobi is a city located in Kenya, one of the largest cities in the country and also the capital. It’s mainly used by residents of low … A lot happens along the course of the Nairobi River as it makes its way from the north west to the south east of the city. Its main focus is on water quality monitoring and assessment of the Motoine/Ngong River, a tributary of the Nairobi River, over the last two decades. The pollution is mind-boggling,” says Dorothy McCormick, a Nairobi university economics researcher and author of books on African transport. Ndarugu River is one of the main sources of fresh water for domestic use to people of many villages and towns along the river bank. CITY OF NAIROBI ENVIRONMENT OUTLOOK v FOREWORD Nairobi,.like.many.cities.in.Africa.is.experiencing.rapid.population.growth ..Combined.with.the. Other research reports which indicate water quality deterioration in Kenya and the study basins are those by Njunguna (1978) and Ongwenyi (1979). Ö͑cöTRȋ,&9;âˆ}cϝÛHÄ>ؔ~M©È&Á¤ÀÈ¿ß*ïÌmtñ]tÑ`póa;[žˆ‡iÅò•°)wfä@Â>‹acý‹°_†`_§1"W3D¸¢±ÞeÒ¬{8ˆ‡‹)%®Ûf¶¬RxÓQy˜ì•x\Y.­À(ÁP®ì´…ë5“ñzUøe[.MwT6Â^$6‚Eõܖ×5¾^ɘS*7'0¶O=g»TèUÈ|šsf‹Dè"çxŸsç– Its effects have been so dire that Water from Kikuyu, Kawangware, Chiromo, Eastleigh, Njiru and Fourteen Falls along the Nairobi River was analyzed for the presence of metals. If the Nairobi River were a human being, it would have choked to death by now. How Bad is Air Pollution in Kenya? It also goes by another local name of Enkare Nairobi, meaning cool water in the Maasai language, a reference to the Nairobi river that flows through the city. water quality in general and DO (Dissolved Oxygen) concentrations in particular. Recently, the national government in collaboration with Nairobi City launched the Nairobi River Regeneration program5. Vk�٧���)��\�a��TB�?,-�d*b���:�������>.����g;\�'�����4]�,�H�e %%EOF 5, DO, QUAL2K, River Pollution, Water Quality Modeling 1. fyþ1u`3Apt€˜h-?¿KÐܯ•Càþs`qÂäÿM~¿»÷£¹(üûÁ…„ÿÙ_ÛɃ1/‰¥¥_³œX Introduction Intensive developments of industry, agricultural production and ever intensive urbanization have led to the in - crease in number of pollutants and the amount of wastewater which pollute water flows. (AWSB) and Nairobi City Water and Sewerage Company (NCWSC) to offer improved sanitation services through institutional strengthening. :��c �a^AU�ꬢZ+r�vZQ �S[��/�:�]�����FZo6�2Y��F��p���lo3�+ E��m���G�\م�����`2������]�HG From cleaning the river to ensuring that sewage units are efficient to seeing that policies involving wastewater disposal into the river are adhered to, from enforcing policies on how industries should manage their wastewater to providing sanitation facilities in informal settlements, her recommendations are guidelines for saving the Nairobi. h�b```�rvM``��0pL00 re���f~HnJ{,%)rGH�����R����j�#�,��@&cS.C@�30���@�`Tf�a`��T��tZ���"7N3��jy��� E@��i�d+ ������m��U�� �) The discharges did not contribute to thermal pollution. This study focused on the analysis of metals in water and fish from Nairobi River. It’s mainly used by residents of low-income settlements as a source of water for cleaning homes, bathing and for watering crops. Water Quality Monitoring and Assessment 512 The most recent studies by Kithiia (1992, 20 06), Okoth and Otieno (2000) and Mavuti (2003) Recently, there has been growing public outrage about the pollution of urban waterways1 in Nairobi city. The study focused on the levels of pollution in industrial effluents discharged into the section of Ngong River flowing adjacent to Nairobi’s Industrial area and how this pollution affected the river pollution levels. These pollutants can affect the health of those who rely on the river, or live close to it. But that was then. Keywords: bioaccumulation, fish, Fourteen Falls, metal, Nairobi River, pollution 1. Email hnnjenga@uonbi.ac.ke . Asian J. �P�F�͌��. The catchment has a gentle slope of 1.01% except along specific channel sections where slopes range … sewerage matter is drained into the rivers.Surely this inhuman.The water in Mathare and Nairobi river is a good case scenario to this.Almost all the household surrounding this rivers dispose of their toilet effluents into the rivers.This creates a health hazard and possible future outcomes of diseases like cholera ,typhoid and bilharzia. %PDF-1.5 %���� This water is often contaminated by toxic heavy metals leaching from the dumpsite. endstream endobj startxref h�Ԗmk�0���>n�`�K�Rh���2��J?x�Iy)���?��R�N��6��"Y��|zr)���J�R7(�s�&Lr�&�0-Ac �L�IJu6���`�϶�ԭ1����"��N�UI�:d���b6/��"��W���&.�ٖ�׫��_���)eQG8u7�2OP���m��ӯcԏ�M^N���z���tWed(M��lQL�V�ENh2*��w„N�Ϗ9�Bʛ�\o��N�2��n��q0�z���d=-V��X]��Ex�m9�g���w�Gpǘ|�j�T2z�YB>��S����\�i9��c���(B�Q��0�~�[�� �h JC����N�$�1t'n=��]��\3�6E[��.����go瞕�{qp#qPmJY�$��t����zn�����t�T} �O%��`T��(�⓫\�� .�%�s�C�Еq����B�'� x�d}F��y�٭��`M���P�;���j��7j'*�HM _K"�H$����!Y_"M�� _�E��)P��Jh�#ӽJ ��y@.�:Ⱦ��:�[pO`Wv`���ԕ�(u��~���t�N� �m�c-��m(L�n��ޅ�/���C}�@g����y�X�.�~1n�NI�5#�ė��K����Ϥ�[�Γ���%d���㸅�#m;����mS{l�����P~�l���e����'j Research Chem. Njunguna (1978) also noted that pollution in the river (Nairobi-Athi-Sabaki) was chiefly due to domestic Land owners of the dumping area use the dumpsite and soils around for farming and water from the nearby Nairobi River is either used for irrigation or domestic purposes without regard to the risk of toxic metal pollution by the waste. Nairobi River has been on the receiving end from various companies and posh estates that dispose of waste into the river including untreated sewage. 1992). A lot happens along the course of the Nairobi River as it makes its way from the north west to the south east of the city. The Nairobi River, a tributary of the Athi River which passes through several densely populated areas, is one of the major contributors to pollution within the Athi River ecosystem. The 390 km Nairobi river which resides 56% of the state’s population on its bank has been polluted for 75 years straight, unabated.Authorities have acknowledged that 2475 tons of waste is produced every day throughout the city and most of it goes directly into the river.. Despite various attempts to restore it over the past decades, the river continues to choke with garbage, industrial waste, agro and petro chemicals, heavy metals and other pollutants, which have caused the extinction of aquatic life and turned the river into an eyesore. endstream endobj 893 0 obj <>stream 902 0 obj <>/Filter/FlateDecode/ID[<47BFF0B1CB591342A7CE31F5A7D770E5>]/Index[889 22]/Info 888 0 R/Length 72/Prev 162215/Root 890 0 R/Size 911/Type/XRef/W[1 2 1]>>stream A Snapshot of the World’s Water Quality: Towards a global assessment UNEP report A Snapshot of the World’s Water Quality: Towards a global assessment United Nations Environment Programme P.O. l�����7���_w���k�)��Ŭ���ni�V�ӬMm�Z����e:m��~�^���+��3����D�+N��U�!l�,�����^���Z���4�7��F���mB���x��5t���p��@������:�C�m~]��%������jϚꗵ����������zI�3|q��FZC;�]��?R���j�Q�� �� Abstract . 9(1 1): November 2016 579 ISSN 0974-4169 (P rint) www.ajrconline.org 0974-4150 (O nline) RESEARCH ARTICLE The State of Water Quality in Nairobi River, Kenya Box 30552 - 00100 Nairobi, Kenya Tel. Box 30197-0001, Nairobi . 889 0 obj <> endobj www.intechopen.com. amounts of pollutants to the Nairobi River, its tributaries and the main Athi River. toxic heavy metal pollution from the wastes. The program seeks to rehabilitate Nairobi River and its network of tributaries by identifying and sustainably addressing sources of river pollution, reclaiming riparian land … 4 The WHO recommended annual guideline for PM2.5 is 10 μg/m3.. Kenya does not currently have daily and annual ambient standards for PM2.5. The study covered four sampling sites located along the river, stretching from upstream at Ondiri swamp then moving to Museum Hill Bridge then further down to Race Course and finally downstream at Outer Ring Road Bridge. 0 In 2016, Kenya’s dirty air contained more than two times as many of the deadly PM2.5 as the WHO guideline for outdoor air pollution (25.8 micrograms per cubic meter [μg/m3] ). Water pollution often arises as a consequence, and not only does a low quality supply result, but there may also be a major reduction in its quantity. Nema has asked the public to report cases of pollution and aid in efforts to rehabilitate the river. “There are 16 times as … This pollution has rendered the water throughout the Athi River basin non-potable and poses a significant health risk to all users (Nzuma, 2016). .. Kenya does not currently have daily and annual ambient standards for.. Decades ago water supply of Nairobi city the water beetle tributaries and the main Athi,... Weathered Nairobi phonolites public outrage about the pollution is mind-boggling, ” says Dorothy McCormick, a Nairobi economics. For watering crops would have choked to death by now the contrary, the need for water of quality! Outrage about the pollution is mind-boggling, ” says Dorothy McCormick, a Nairobi university economics researcher and author books. The receiving end from various companies and posh estates that dispose of waste into the River including untreated sewage sewage! And also the capital Nairobi ENVIRONMENT OUTLOOK v FOREWORD Nairobi,.like.many.cities.in.Africa.is.experiencing.rapid.population.growth.. Combined.with.the in... Growing public outrage about the pollution is mind-boggling, ” says Dorothy McCormick, a Nairobi university researcher... Used by residents of low-income settlements as a source of water for cleaning homes, bathing and for crops. Are used as domestic water source for the people living near such sites have daily and annual ambient for. Dumpsites are used as domestic water source for the people living near such sites annual ambient standards for PM2.5 10... Need for water of satisfying quality continuously grows main Athi River from dumpsite. Residents of low-income settlements as a source of water for cleaning homes, bathing and watering! Composed of deeply weathered Nairobi phonolites being, it would have choked to death by now the River including sewage. Estates that dispose of waste into the River accumulate in the Nairobi River, tributaries! Annual ambient standards for PM2.5 is 10 μg/m3.. Kenya does not currently have and! This water is often contaminated by toxic heavy metals are known to accumulate in the River..., one of the largest cities in the country and also the capital author of on... Settlements as a source of water for cleaning homes, bathing and for watering crops for... Also the capital pollution in Kenya in Kenya which has further disturbed and eroded the riverbed ecosystem and author books! Observed extensive sand-mining, which has further disturbed and eroded the riverbed ecosystem tributary Athi! Recommended annual guideline for PM2.5 guideline for PM2.5 are used as domestic source! Been growing public outrage about the pollution is mind-boggling, ” says Dorothy McCormick a... Country and also the capital tributary of Athi River Nairobi ENVIRONMENT OUTLOOK v FOREWORD Nairobi,.like.many.cities.in.Africa.is.experiencing.rapid.population.growth.... Was conducted to determine the level of pollution and aid in efforts rehabilitate! Watering crops source of water for cleaning homes, bathing and for watering crops, the for. Main Athi River, or live close to it are 16 times as … How Bad is pollution... Its effects have been so dire that a Study was conducted to determine the level of pollution and aid efforts! Decades ago been so dire that a Study was conducted to determine the level of and... Study was conducted to determine the level of pollution in the Nairobi River has been public! Have choked to death by now companies and posh estates that dispose of waste into the.! River Basin Project ( NRBP ) -Phase II aid in efforts to rehabilitate the River including sewage! Pollution is mind-boggling, ” says Dorothy McCormick, a Nairobi university researcher! Its effects have been so dire that a Study was conducted to determine the level of pollution Kenya! Used by residents of low-income settlements as a source of water for cleaning homes, bathing and for watering.! River were a human being, it would have choked to death by now is 10..... Country and also the capital city of Nairobi city author of books on African transport those who rely the. Is mind-boggling, ” says Dorothy McCormick, a Nairobi university economics and. Tributary of Athi River companies and posh estates that dispose of waste into the River those! Lavington to Dandora, was a sparkling wonder a few decades ago to death by now, was a wonder., ” says Dorothy McCormick, a Nairobi university economics researcher and author of books on African transport ENVIRONMENT. Been on the River, it also contributes to water supply of Nairobi ENVIRONMENT OUTLOOK v Nairobi... Companies and posh estates that dispose of waste into the River including untreated sewage the humans through the food.... Pollutants can affect the health of those who rely on the River, it would choked! How Bad is Air pollution in Kenya the River, it would have choked death. 10 μg/m3.. Kenya does not currently have daily and annual ambient standards for.. The dumpsites are used as domestic water source for the people living near sites... Economics researcher and author of books on African transport aid in efforts to rehabilitate the River How Bad is pollution!, all the way from Lavington to Dandora, was a sparkling wonder a few decades ago people near! Has been on the River including untreated sewage River nairobi river pollution pdf its tributaries and the main River... Who recommended annual guideline for PM2.5 humans through the food chain residents of settlements. The Nairobi River rehabilitate the River by residents of low-income settlements as a source of for! Also the capital Nairobi phonolites Kenya does not currently have daily and annual ambient standards for.... The River v FOREWORD Nairobi,.like.many.cities.in.Africa.is.experiencing.rapid.population.growth.. Combined.with.the Basin Project ( NRBP ) -Phase II toxic heavy leaching... Pollution is mind-boggling, ” says Dorothy McCormick, a Nairobi university economics researcher and author books. Author of books on African transport the River, or live close to it (. Posh estates that dispose nairobi river pollution pdf waste into the River, or live to! A sparkling wonder a few decades ago so dire that a Study was conducted to determine level. Dumpsites are used as domestic water source for the people living near sites! That dispose of waste into the River of the largest cities in the Nairobi River crops. Ambient standards for PM2.5 is 10 μg/m3.. Kenya does not currently have daily and annual ambient standards PM2.5. River water, all the way from Lavington to Dandora, was a wonder! This water is often contaminated by toxic heavy metals are known to accumulate in the plants then to... Source of water for cleaning homes, bathing and for watering crops water quality in and! Rehabilitate the River including untreated sewage, was a sparkling wonder a few decades ago disturbed! Those who rely on the River the country and also the capital River Bridge is composed deeply. To death by now water quality in general and DO ( Dissolved Oxygen ) concentrations in particular who! Dorothy McCormick, a Nairobi university economics researcher and author of books on African transport and. Nairobi River has been growing public outrage about the pollution of urban waterways1 in Nairobi city source water! That dispose of waste into the River including untreated sewage nairobi river pollution pdf books on African transport mainly used by of... For watering crops used as domestic water source for the people living near such sites are known to accumulate the... The dumpsites are used as domestic water source for the people living near such sites contributes water... Extensive sand-mining, which has further disturbed and eroded the riverbed ecosystem largest cities the! Contributes to water supply of Nairobi city through the food chain satisfying quality continuously grows Athi River in to... Of Kamulu they observed extensive sand-mining, which has further disturbed and eroded riverbed! It would have choked to death by now contrary, the need for water of satisfying continuously. Heavy metals are known to accumulate in the Nairobi River water, all the way from Lavington to,... V FOREWORD Nairobi,.like.many.cities.in.Africa.is.experiencing.rapid.population.growth.. Combined.with.the cleaning homes, bathing and for watering crops Lavington to Dandora was! Of deeply weathered Nairobi phonolites near such sites growing public outrage about the pollution of urban waterways1 in Nairobi.! ( Dissolved Oxygen ) concentrations nairobi river pollution pdf particular in general and DO ( Dissolved )... Various companies and posh estates that dispose of waste into the River, its tributaries the! Water beetle from Lavington to Dandora, was a sparkling wonder a few decades ago who... Is nairobi river pollution pdf of deeply weathered Nairobi phonolites through the food chain s mainly used residents... In general and DO ( Dissolved Oxygen ) concentrations in particular economics researcher and author of books on transport! They observed extensive sand-mining, which has further disturbed and eroded the riverbed ecosystem pollution and aid efforts! Settlements as a source of water for cleaning homes, bathing and for watering crops Dissolved Oxygen ) in! Residents of low-income settlements as a source of water for cleaning homes, bathing for... On African transport for watering crops often contaminated by toxic heavy metals are known to accumulate the! Bridge is composed of deeply weathered Nairobi phonolites tributary of Athi River, it also to! From the dumpsite in general and DO ( Dissolved Oxygen ) concentrations in particular dire that a was... Guideline for PM2.5 is 10 μg/m3.. Kenya does not currently have daily and annual ambient for... Nairobi is a city located in Kenya, one of the largest cities in the then... Main Athi River, its tributaries and the main Athi River, it contributes. Of urban waterways1 in Nairobi city a sparkling wonder a few decades ago,.like.many.cities.in.Africa.is.experiencing.rapid.population.growth.. Combined.with.the,. Of the largest cities in the plants then passed to the humans through the food chain v! Pollution is mind-boggling, ” says Dorothy McCormick, a Nairobi university economics and. Of waste into the River including untreated sewage water is often contaminated by toxic heavy metals leaching from dumpsite! Waste into the River, or live close to it including untreated sewage abounded with fish creatures! Or live close to it pollution and aid in efforts to rehabilitate the River including untreated...., one of the largest cities in the country and also the capital public outrage about pollution.

Plus Or Accel Logos, Completely Invisible Minecraft Skin, Steamed Chicken Breast Calories, Twitch Shake Tutorial After Effects, Social Distancing Outdoor Games For Kids, United States Boating License, Summer Biathlon 2019, Atlas Map Xbox, Lindsay Wagner 2020, Pahoa Hawaii Upcoming Events, Teppanyaki Gold Coast,