Table of Contents Introduction3 Water Pollution3 Surface water Pollutant4 Ground water Pollutant4 Water pollution hazards for the proposed scenario5 Sources of Pollutants5 Types of Pollutants for the proposed scenario5 Entering paths of these pollutants in Fraser river6 Potential health hazards6 Thesis statement7 Recommendation8 References9
Introduction Water Pollution: Water pollution can be elaborated as the impurity of the water bodies for example, seas, lakes, rivers, oceans, groundwater and aquifers etc. The water pollution is caused due to the human activities. On other hand, it can be elaborated as any variation in biological, chemical and physical properties of water which will have a detrimental consequence at some living organism.("Water and Water Pollution: Definition, Causes, Effects, Prevention", 2019) A comprehensive assessment by Lancet commission on health and pollution identified the economic and health impacts due to major toxic pollutants in water. On the basis of this assessment, approximate 9 million people die per annum due to the pollution impacts, which represent the data as 16% deaths in all over the world. The approximation shows that over 90 per-cent of this contamination related death introduces in middle and low income nations. However, Canada is ranked 7thlowest position in the world. The burden is still very much high.(Basu, Lanphear, 2019) Being a global issue, water pollution has highest influence on mankind. The world has financed a lot of material resources and manpower after the ecological administration. Ecologicalcontaminationcontrolhasarecentrevolutionwiththeappearanceof phytoremediationtechnologythatithasthefeaturesofdeprivedpricewithextra environmental and ecological friendly system.(Cheng, 2019) One of the greatest self-reported occurrence rates of AGI or acute gastrointestinal illness in the world wide peer-reviewed data introduces in Inuit societies in the Canadian Arctic. This high rate of illness could be due, in quantity to the ingestion of polluted water, as several northern societies face issues related to the municipal drinking water quality. Hence, several Insuit store drinking water in vessels at the home which could enhance the pollution hazard between point of use and source.(Wright et al., 2018) The field of TWs or treatment wellands is enhancing very rapidly, as the most multifaceted watertreatmentsystemisobtainableinCanada.Themicrobialsocietiesareusually deliberated to be accountable for the maximum waste water constituent degradation this technology of TWs.(Weber, 2016)
Mining is a main economy development contributor in South African countries. However, despite of the economic development, it is also a major source of water pollution because mining process is prevalent in most of the country’s water catchments (Muruben & Tekere, 2020). On the basis of data, industrial and the agricultural operations are produced approximate 1.1 trillion m3of waste water in 2009 and this amount of pollution leads to grow.(Incera, Avelino & Solis, 2017) Surface water Pollutants: Surface water pollution can be defined as the pollution of aquatic system which introduces at the above level of ground, for example, lakes, rivers and streams etc. The major reason of this type of pollution is polluted rainwater. It means when the rainwater runoff carries the pollutants then this type of pollution occurs. These pollutants are transport by runoff from city on various things such as, salt, chemicals, fertilizers and nutrients etc. When the reasons of this pollution occurrence are fertilizers and nutrients, then it can also be termed as nutrient pollution. It enhances the overproduction of aquatic plants and the algae, which causes various problems. It covers the water surface, which prevent the sunlight to be reached at plants underwater. This can show the outcome as less oxygen production which causes harm to breathing organism in water such as fishes. (D, "Water Pollution: Definition, Types, and Sources") Ground water Pollutants: Ground water pollution introduces when the man-made products such as, road salts, oil, gasoline and chemicals etc. get mixed into the ground water. This association become unfit or unsafe for the human usage. There are several materials which move from the land’s surface and get mixed with the groundwater such as, fertilizers, pesticides. These materials are known as the groundwater pollutants. On the other hand, there are a lot of untreated wastes from the toxic chemicals which also get mixed with the ground water.
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Water pollution hazards for the proposed scenario Sources of pollutants: There are a lot of pollutants sources which can impact the quality of water in Nechako and Fraser rivers. These sources are elaborated below: Climate Change: the climate change is the major source of water pollutants. These changes in stream hydrology enhance various parameters such as, water temperature influences on fish, flooding risk, urban runoff etc.Due to this parameter variation, the biodiversity get minimizes. Fossil Fuel Development:the fossil fuels are the main source of water pollutants. It has many impacts on water quality, wildlife habitat, marine environment etc. It reflects these impacts on all phases of its development such as, manufacturing, construction etc. Continued Pollution: Developing industries are the major sources of water pollutants in terms of ground water, land pesticides, silt, coal dust and toxic chemicals etc.(Muruven & Tekere, 2020) Groundwater:companies are getting free access to this public resource of water which is beneficial for them with no returns. Some companies extract and pollute a huge amount of water in which main companies are related to gas and oil industries. Types of pollutants for the proposed scenario: Micro-plastic is a main source of anthropogenic pollutants in water bodies around the world. The extent of implications for water pollution is related with the micro-plastics. These plastic particles are very small in size which is approximate 5mm. it threats a wide range of aquatic based organisms. It can provide various paths for other pollutants to enter their structures (Bourdages et al., 2017). The Basin of Fraser River is a largest watershed in British Columbia, which has the size approximate equal to 240,000km2. It is boasting a wide diversity which involves wildlife, plants, natural resources and houses of 2.7 million people. Hence, it can be described as a place where people from various religion, cultures and languages are staying.Along with, there are various environmental, economic and social challenges which survived by the communities of Bain regions. These includes various impacts on water quality in terms of
usingthenaturalresources,ecosystemsstrains,demographicschangesandenhancing demands for the public services(Marshall, Litke & Fresco, 2017). Hence, both kinds of water pollutants are available in Fraser River and Nechako River as, ground water pollutants and surface water pollutants etc. Hence, it can impact the water supply system of Mr Pearson. Entering paths of these pollutants in Fraser River: The Nechako River is one of the main branches to the Fraser River. Hence, it affects its water quality and hydrology as well. Nechako River’s headwaters are situated in the Nechako reservoir drainage basin and its flow at the upper watershed is controlled through a Dam which named as Kenney Dam. The drainage area of this river is having the size of 46,000km2 and it is located at Prince George. The water quality of Nechako River is impacted by many other rivers as well such as, Chlako, Nautley and Stuart rivers. The water of Nechako River are applicable in various operations such as, boating, swimming, aquatic life, wildlife etc. (Swain & Eng., "WATER QUALITY ASSESSMENT OF Nechako River AT PRINCE GEORGE") Potential health hazards: The summary shown below elaborates about the top threats in water, land, people’s culture and quality of life. Freshwater temperature: Temperature is the major environmental element which affects the health of marine and other cold-blooded marines’ organisms. Enhancement in water temperature at 200C or more than that can contribute in the pre-mortality rate in Sockeye salmon by eliminating the swimming ability, migration impending and energy depletion more rapidly. Such as, a study by UBC physiology elaborated that the early run population at the nearby region of Nechako start to experience the impaired physiology between 200C -220C. On the basis of this studies’ prediction it would be possible that population would be unable to swim and they would die soon at temperature of 24- 260C("Nechako Watershed Health Report", 2015). Bacterial disease: The main cause of bacterial disease such as, Diarrhea is the main reason of untreated drinking water and fecal pollutants. This kind of disease is caused due to the polluted water. the
bacteria introduce from this polluted water produces toxins in digestive tracts(Haseena, 2017) Death of marine animals: The major problem caused due to water pollution is the death of marine animals. These marine animals depend upon the water bodies. There are several marine animals such as, crabs, fish, sea gulls, dolphins etc. which killed by the pollutants in their habitat or living environment. Food chain disruption: Pollution disrupts the food chain by the toxin movement form one level to another. In some cases, pollution can spread out a whole part of the food chain. It impact on the other organism as well by causing the excessive development, in case of the mortality rate. Destruction of ecosystems: The elimination and introduction of some microorganisms destroys the ecosystem. It can also be termed as the nutrient pollution. Such as, it leads the enhancement of algae, which minimizes the oxygen level in water. It leads the death of marine animals and aquatic life. Economic effects: Restoring ad managing the polluted water bodies is expensive. Such as, it runs out of space. On the basis of research, the economy is differing from the same because it is having the cost of 600$ to clean up the impact of disaster. Thesis statement This thesis is written as an employee of the Earth First Environmental Consulting Company. A new landowner, Mr James Pearson, has retained the services of the company. Mr Pearson has recently applied for a permit to remove water from theNechako Riverfor personal use and for watering his herd of bison. It is the major responsibility to advise the landowner of possible water pollution hazards. One mile upstream from his proposed intake is the "LOWEST COST IS OUR GUARANTEE”, Kraft pulp mill and detergent factory. This mill deposits its liquid effluent and treated sewage directly into theNechakoRiver.Five miles
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upstream, the Nechako flows through an area of agricultural flood plain development.The farmers use fertilizers and pesticides to enhance their crops. A major highway, susceptible to significant snowfalls in the winter, runs along the Nechako for many miles above the landowner's property. This highway is the only access route to the “YOU FIND THEM WE MINE THEM”,zinc/lead mine and smelter, twenty-five miles upstream. This thesis reflects the major hazards of water pollution, sources and their impacts on health. Recommendation It is suggested for presenting and disseminating the findings of the report with the huge audience of decision makers in private and public sector organizations. This report must be presented in front of civil society to educate them about the position of Nechako river watershed. By which, it could be possible to share the responsibility for looking after the watershed. It is suggested to facilitate a multi-interest process for reviewing the outcomes of the watershed health report to identify the development strategies and priorities with some actions and the commitments to improve the health of the Nechako river watershed.
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