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Water Quality Analysis - Science topic

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Publications related to Water Quality Analysis (2,025)
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Article
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The climate change impacts on the Nile River water quality can be considered as one of the serious water resource management challenges in Egypt. Thus, this study highlights the climate change trends that affect the Nile water quality deterioration upstream of Cairo drinking water treatment plants (WTPs). However, input from Intergovernmental Panel...
Article
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Way Jelai River is one of the important rivers in Tanggamus Regency Lampung Province and used for paddy field irrigation. The land along the river channel has been used for agricultural and residential purposes that can potentially affect water quality. This study aims to analyze the water quality and assimilative capacity of Way Jelai River. Water...
Article
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In order to understand the sources of pollutants and the temporal and spatial distribution characteristics of the water quality in Cihu Lake, China, the monitoring data of seven water quality indicators from 12 sampling sites from 2015 to 2019 were selected, and the temporal and spatial variation laws of the water quality and pollution sources were...
Article
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In this study, basic interpolation and machine learning data augmentation were applied to scarce data used in Water Quality Analysis Simulation Programme (WASP) and Continuous Stirred Tank Reactor (CSTR) that were applied to nitrogenous compound degradation modelling in a river reach. Model outputs were assessed for statistically significant differ...
Article
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Overall, laboratory water quality analysis must have stability in their results, especially in laboratories accredited by ISO 17025. Accredited parameters should be strictly reliable. Using control charts to ascertain divergences between results is thus very useful. The present work applied a methodology of analysis of results through control chart...
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Almost every organism both plants and animals need water either directly or indirectly for their survival. Over 70% of the earth’s surface is covered with water. This is the reason why water is the most abundant naturally occurring substance found on the earth’s crust. As such, this has brought the idea of using the g Sokoto State Water Board as a...
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A multi-disciplinary approach is indispensable for adequate acid rock drainage (ARD), mineral leaching impact, and groundwater management. Groundwater is a valuable resource, and it is critical to protect as well as mitigate the effects of pollution such as ARD in the mining environment. Mine waste storage facilities (waste rocks and tailings) are...
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The study centres on the hydrochemistry of groundwater from shallow hand-dug wells in Tudun Wada and environs intending to evaluate its quality for domestic and irrigation uses. The area is underlain by both basement and sedimentary rocks. The basement rocks in the area include porphyritic biotite granite and granitic gneiss while sedimentary rocks...
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Background The COVID-19 pandemic drew hygiene to the center of disease prevention. The provision of adequate water, sanitation, and hygiene (WASH) services is crucial to protect public health during a pandemic. Yet, access to levels of water supply that support adequate hygiene measures are deficient in many areas in Nepal. We examined WASH practic...
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Evaluating the functionality of small and decentralized low-impact development (LID) technologies often requires extensive labor, time, and costs for water quality analysis. In order to reduce these in an infiltration trench in South Korea, monitoring data gathered over a period of 8 years were used to determine its long-term performance, establish...
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Cold regions involve hydrological processes that are not often addressed appropriately in hydrological models. The Cold Regions Hydrological Modelling platform (CRHM) was initially developed in 1998 to assemble and explore the hydrological understanding developed from a series of research basins spanning Canada and international cold regions. Hydro...
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Night markets are attractive tourist sites in Asian cities. However, the outdoor activities produce different types of pollutants. Air pollution and solid waste in night markets have received much attention, but wastewater pollution from night markets has rarely been examined. The untreated wastewater are discharged into roadside gutters and might...
Chapter
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Wang, LK and Wang, MHS (2022). Reduction of color, turbidity, odor, humic acid, metals, EDB, coliform and TTHM by adsorption, flotation and filtration. In: “Evolutionary Progress in Science, Technology, Engineering, Arts and Mathematics (STEAM)”, Wang, LK and Tsao, HP (eds.), 4 (10D), STEAM-VOL4-NUM10D-OCT2022. 51 pages. October 2022., Lenox Instit...
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Access to sufficient water of suitable quality represents a challenge for achieving several dimensions of sustainable development. Currently, water access is restricted to three of 10 persons globally. In rural areas of Mexico and other low-income countries, coverage could be even less due to the absence of formal supply; thus, rural communities us...
Article
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Ten different underground drinking water samples were collected during the year 2010 from 5 dug well and 5 handpump of Rajaula village, Chitrakoot (M.P.). Standard method (APHA- AWWA) were followed for water quality analysis. Five heavy metals in all the water samples were estimated by the atomic absorption spectrophotometer (AAS) and the data were...
Article
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Water is very crucial for all life augmenting systems on earth. Fresh water becomes scanty due to over profiteering and impurity. Since the industrial innovation, industries have been thriving and wherefore, millions of anthropophaginian commixtures have enrolled in our habitat. Assiduous biological toxin has been found even in remote areas of the...
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The present study was done during 2019-20 to assess the current fisheries status of Dal lake in terms of species diversity, trophic status, trends and patterns in fish catch, the lake's physicochemical properties and its management. Shannon-Wiener index used to calculate the species diversity was 2.08 with the species evenness value of 2.19. The wa...
Preprint
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Assessing the quality of groundwater for better management of the water sources is essential. This study is aimed at evaluating the groundwater quality of Debre Tabor town. Twelve groundwater samples were collected at hand dung wells during the wet season (Mid July-Mid August 2020) and dry season (1st February –Mid-March 2021). Various Physico-chem...
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Groundwater (GW) is an important source of freshwater in arid and semiarid areas. Some important industrial activities, such as coal mining, also consume GW. There have been few studies evaluating GW quality in the Selian coal mining area of Inner Mongolia. This study aimed to identify the hydrochemical phases and the sources of main ions in the GW...
Article
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Water quality analysis is an essential component of water supply globally. This study analyzed drinking water quality at the tap in the Wa Municipality of Ghana. Bacteriological, physicochemical, aesthetic, and some chemical parameters of raw, treated and tap water was analyzed. The analysis showed that drinking tap water has a good quality and was...
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The existing water distribution system was insufficient for all parts of the study town due to rapid population growth, hydraulic performance issues, and water quality of Dangila town. The main objective of this study was to evaluate the hydraulic performance modeling of water distribution systems and physicochemical water quality analysis of Dangi...
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Environmental Impact Assessment (EIA) is a prominent technology to assess the environmental changes in the open cast Limestone mining region. However, traditional EIA methods and Limestone deposit identification involves time consuming, cost effective and manpower requirements. We cope-up these problem and incorporated with different satellite imag...
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Efficient enrichment of aliphatic bioamines is still a challenge due to their high polarity. In this work, a novel electromembrane extraction method co-modified with quantum dots, bis(2-ethylhexyl) phosphate and trioctyl phosphate (QDs-DEHP-TEHP@EME), was firstly developed for purification and enrichment of four typical aliphatic bioamines, and the...
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Water quality analysis is an emergency approach in today’s world because people cannot survive without it. As a result of urbanization, industrialization, agricultural practices, and human behavior, water quality analysis have numerous issues in today’s world. Manually visiting the water collection station, collecting water samples, analyzing in th...
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The study reported on here was conducted to assess the impacts of historic coal mining activities at Elitheni Colliery in South Africa. Five boreholes and five water ponds were sampled during the summer of 2010 and winter of 2011. Physical characteristics (pH, EC, TDS) and hydrochemical characteristics (Na + , K + , Ca 2+ , Mg 2+ , HCO3-, Cl-, SO4...
Experiment Findings
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Recognition of the various tests used in environmental engineering and water quality analysis & related standard test procedures.
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Production of engineered nanomaterials (ENMs) has rapidly increased, yet uncertainty exists regarding the full extent of their environmental implications. This study investigates the fate, transformation, and speciation of nano copper oxide (nanoCuO) released into Lake Waccamaw, North Carolina, over 101 years. Using the Advanced Toxicant module of...
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This work deals with the treatment of oily wastewater produced from the washing of oil-contaminated soil. Untreated oily wastewater contains toxic compounds that might be mutagenic or carcinogenic as total petroleum hydrocarbon (TPH) and heavy metals. Based on the water quality analysis, the tested samples contained a high concentration of TPH, che...
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River water is an important source for drinking water supply in Northwestern New Territories of Hong Kong. Thus, there is no denying the fact that monitor the quality of river water is a must for the locals. In this study, a mixed multivariate analysis method was used to lower monitoring costs by optimizing the layout of water quality monitoring st...
Article
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Human activities, use of fertilizers and chemicals in agricultural fields are the main causes of ground water contamination. Therefore to protect and improve the natural eco system, water quality analysis is essential. The main goal of this work is to study the criteria governing the groundwater quality in the nearby wells of Peth Seer, Sopore J&K....
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In this article, we present a NaYF4:Eu3+-based ultrasensitive colorimetric detection technique and demonstrate its successful implementation for the detection of four metal ions in water. The developed colorimetric sensors demonstrated exceptional stability in 100% aqueous solution and showed distinct absorption spectrum signals and significant col...
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In view of the problems of low measurement accuracy and repeated calibration during the use of coal mine water quality analysis, the hyperspectral reflection noncontact measurement technology was proposed to solve the existing problems. KCl, NaCl, pH, NaHCO3, and CaCl2were used to indicate the characteristic ion information of Na+, K+, Ca2+, Cl−, H...
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Machine learning algorithms have proven useful in the estimation, classification, and prediction of water quality parameters. Similarly , indexical modeling has enhanced the evaluation and summarization of water quality. In Nigeria, works that have incorporated machine learning modeling in water quality analysis are scarce. Although studies across...
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Diffuse pollution loads are crucial information for water resource management, and yet field data are often scarce, implying questionable accuracy in load estimates made from low-frequency water quality monitoring. This paper aimed to characterize diffuse pollution in a stream of a mixed-land-cover watershed with a significant portion of urbanized...
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Water quality analysis is important to protect the natural ecosystem of water bodies. The aim of this study was to determine the seasonal distribution of Physiochemical parameters that define coastal water quality in six coastal waters in Rivers State. Sample locations were selected based on their activities that take place in the areas. Physiochem...
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Biofloc technology has a high impact on enhancing shrimp production. Suitable supplemented carbohydrates (CHO) could affect the type of microorganisms developed in the system, which reflects on shrimp production, food safety, and public health. Here, we aimed to compare the effects of sugarcane molasses and wheat flour as carbohydrate sources on bi...
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Brackish water fishery is one of the prime economic activities in tidally active parts of Bengal delta region of India. The presence of tidal creeks, rivers and streamlets made this landscape ideal for fishing. Natural disasters like cyclone and flood have severe effects on natural brackish water ecosystem of this region which leads to ecologica...
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This paper aimed to classify the quality of different water sources in Kerala. All major rivers, lakes, and reservoirs are included in this study. The quality of water is classified into different classes based on the level of pH, Biochemical Oxygen Demand (BOD), Dissolved Oxygen, Electrical Conductivity, and concentration of Total Coliforms in the...
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Implosion–demolitions are used to bring down tall-storied structures in urban centers. This technique was employed to raze four residential complexes constructed against the law in India’s tropical coastal city (Kochi). The demolitions were carried out in an ecologically fragile area. It is the first of a kind experiment in India and the highest st...
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The raw water for irrigation must meet the minimum requirements of class IV water quality. This study aims at presenting a water quality assessment of several raw water sources in Bintan Island for irrigation purposes. The methods used are Standardized Precipitation Index, Pollution Index, and Sodium Adsorption Ratio. A climate analysis showed that...
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The quality of the drinking water source reservoirs has always been a research hotspot. However, few have studies focused on the water quality of reservoirs over a relatively long period with time series analysis. In this paper, based on water quality and hydrological data from 2010 to 2020, considering 8 water quality parameters, CCME-WQI with tim...
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The increasing landscape alterations due to anthropogenic activities is of global concern since it affects aquatic ecosystems, often resulting in compromise of the ecological integrity and the water quality. In this sense, the evaluation, monitoring, and prediction of the aquatic ecosystem quality becomes an important research subject. This study p...
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Water color is an important representation reflecting the characteristics of its quality in inland lakes or ponds; however, sufficient water color image samples are often difficult to obtain due to the limitation of fishery production. For few color image samples, the existing data enhancement methods based on the depth generation model have the pr...
Article
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So far, Regional Drinking Water Companies (PDAMs) have used conventional methods by taking water samples, measuring all water quality parameters, and analyzing them one by one. In addition, the process of making conclusions on water quality has not been integrated so that it can cause misclassification of water quality and prolong the work. In this...
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Bicol is one of the most vulnerable regions in the Philippines due to its geographic location. Climate risks that lead to low rice productivity are intensified by large bodies of water such as the Bicol River Basin, covering three provinces and 43 municipalities in the region. The present study aims to assess the effects of integrated rice-duck far...
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Groundwater is being contaminated rapidly due to various anthropogenic activities and geogenic sources. In this direction, assessment of water quality analysis is the basic requirement for nurturing the human being and its evolution. The Water Quality Index (WQI) parameter has been widely used in determining water quality globally. The study aims t...
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Karangantu fishing port symbolizes the rapid fishing industry in Serang, Banten. So many activities in the Karangantu fishing port area, such as a place for landing fisherman’s boats, shipping fish catches, and tourism object. These activities may impact the water quality. This research aims to analyze the water quality and pollution index in Karan...
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Water bodies are important parts of the ecosystem and need to be conserved and maintained. It is essential for all forms of life and composes 50-97% of plant and animal weight and about 70% of the human body. Sustainable, social, and economic development depends on water as a fundamental force. Water quality analysis thus becomes a basic requiremen...
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The anthropogenic activities have caused increase in the aquatic heavy metals pollution. The higher concentration of heavy metals in fish’s body also affects the consumers as it reaches to human body through the food chain. This study was conducted to analyze the ponds’ water quality based on physicochemical parameters and nutrients in relation to...
Article
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This study applied multivariate statistical analysis (MSA) to synthetic data simulated by a river water quality model to verify whether the MSA can correctly infer the pollution scenario assigned in the river water quality model. The results showed that when assessing the number and possible locations of pollution sources based on the results of cl...
Preprint
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Zhalong wetland is one of the most important wetland reserves in the world. Endangered wild animals and plants such as red crowned cranes and wild soybeans live here. In order to understand the structural characteristics of fish community in Zhalong wetland and its relationship with water environmental factors, 24 sampling points were set up in Zha...
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Understanding drivers of water quality in local watersheds is the first step for implementing targeted restoration practices. Nutrient inventories can inform water quality management decisions by identifying shifts in nitrogen (N) and phosphorus (P) balances over space and time while also keeping track of the likely urban and agricultural point and...
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Introduction The US deports more Mexicans to Tijuana than any other borderland city. Returning involuntarily as members of a stigmatized underclass, many find themselves homeless and de-facto stateless. Subject to routinized police victimization, many take refuge in the Tijuana River Canal (El Bordo). Previous reports suggest Tijuana River water ma...
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In this study, a portable Total Dissolved Solids (TDS) and Electrical Conductivity (EC) of water sensor using a disposable polymer strip and the readout circuit segments is presented. The strip consists of gold electrodes and a vent hole for water flow injection inside the measurement chamber. This strip reduces the cost of the measurement, decreas...
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Water resources management in Kosovo faces many problems such as economic, legal, lack of experts in the field of environment, and various factors for the management of water basins. The study is a special feature for presenting the current, important, situation of water resources in Kosovo. The results of the research show the current state of the...
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The current study was conducted to determine the physico-chemical parameters for development of aquacultural activities in village pond located at Degam, Navsari (Gujarat). In this research work, important water quality parameters like temperature, turbidity, pH, dissolved oxygen, total dissolved solids, total hardness, total alkalinity, nitrate-N,...
Article
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Advances in industrial digital technologies have led to an increasing volume of data generated from industrial bioprocesses, which can be utilised within data-driven models (DDM). However, data volume and variability complications make developing models that captures the underlying biological nature of the bioprocesses challenging. In this study, a...
Experiment Findings
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Latar belakang: Dalam memenuhi kebutuhan air minum pekerja Divisi Concentrating PT Freeport Indonesia (PTFI), perlu dilakukan pemantauan kualitas berdasarkan karakteristik air baku dan unit pengolahan yang digunakan. Sistem disinfeksi dengan ozonasi diterapkan PTFI bertujuan untuk membasmi mikroorganisme, tertutama bakteri patogen, serta membuat ai...
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Study region Lake Beseka, Ethiopia Study focus Lake Beseka has been expanding despite climatic and other relevant variables remaining largely the same over time. In this study, we applied an integrated approach based on multi-source datasets—Synthetic Aperture Radar (SAR), Landsat thermal band data, precipitation, and physicochemical and isotope w...
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Monitoring water quality is an essential tool for the control of pollutants and pathogens that can cause damage to the environment and human health. However, water quality analysis is usually performed in laboratory environments, often with the use of high-cost equipment and qualified professionals. With the progress of nanotechnology and the advan...
Article
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Background: The WHO/UNICEF Joint Monitoring Program (JMP) service ladders are worldwide indicators for monitoring drinking water, sanitation, and hygiene elements of the sustainable development goal targets. However, evidence on how the prevalence of childhood diarrhea looks across the service ladders is limited. This study aimed to assess the rela...
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Purpose: Water is vital for the sustenance of every life form. Urbanization, growing population and industrial development has led to exploitation of water resources globally. This study assesses quality of water resources of Mohammedia prefecture. Design/methodology/approach: The water quality analysis was carried out based on physio-chemical and...
Article
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Water distribution systems (WDSs) are major infrastructure, and it needs to consider economic, hydraulic stability, and water quality safety to optimal design and operation of WDSs. However, the previous studies related to WDS design and operation were focused on each field (i.e. design: optimal pipe diameter, pump sizing, and valve location; opera...
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Globally, billions of people still lack access to safe water, including basic drinking water services, particularly in sub-Saharan Africa. We analyzed water quality for improved water sources and associated factors in Kibuku district, Eastern Uganda. The mixed-methods study employed included; water quality analysis, a questionnaire survey, and key...
Conference Paper
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This paper aims to analyze the water quality in the river Ibar after passing through the Montenegrin municipality of Rožaje using the Water Quality Index (WQI). The method includes the use of ten physical, chemical and microbiological parameters (oxygen saturation, BOD5, ammonium, pH value, total nitrogen oxides, orthophosphates, suspended solids,...