Analysis of groundwater quality using water quality index. Assessment of groundwater quality and its suitability for drinking and agricultural uses in the oshnavieh area, northwest of iran nosrat aghazadeh1, asghar asghari mogaddam2 1department of geology, urmia azad university, urmia, iran. Analysis of groundwater quality of aligarh city, india. Water quality index is a 100point scale that summarizes results from a total of nine different measurements when complete. The types and concentrations of dissolved constituents in the water of an aquifer system determine whether the resource, without prior treat ment, is suitable for drinkingwater supplies, industrial. A number of water quality parameters are included in a mathematical equation to rate water quality, determining the suitability of water for drinking 4. In terms of irrigation, groundwater is of good quality. Groundwater quality assessment using water quality index. Evaluation of groundwater quality using water quality index. Pdf generation of groundwater quality index map alexander. Thus wqi is useful and effective method which can be termed as an indicator of ground water quality.
Since many compounds can dissolve in water and others can be suspended in water, there is a potential for contamination with toxic compounds. Temperature, turbidity, color, taste, and odor make up the list of physi. Assessing groundwater quality for drinking purpose in. A knowledge of hydrochemistry is important to assess the groundwater quality in any area in which groundwater is used for both irrigation and drinking needs srinivas et al. Wayne reitz union, in gainesville florida, usa, april 2126, 20.
In the present study, sixteen groundwater samples were collected from the southern portion of the. Groundwater quality assessment using water quality index and. Groundwater quality is classified by the utah water quality board based primarily on the total amount of dissolved solids in the water. Introduction it is essential to ensure proper quality of water used for drinking and irrigation purposes. The water quality index wqi is a mathematical instrument used to transform large quantities of water quality data into a single number. Vadodaria 2 1 research scholar, engineering faculty, kadi sarva vish wavidyalaya,gandhinagar 38 2 015, guja. Interpretation of ground water chemical quality data. Weighted arithmetic water quality index wqi with respect to the jordanian standards for drinking water was used for quality assessment.
Water quality in principal aquifers of the united states, 19912010. Development of a groundwater quality index for seawater. Groundwater quality assessment using water quality index wqi. The present work is aimed at assessing the water quality index wqi for. The attempt was supported by the national sanitation foundation nsf and therefore as nsfwqi in order to calculate wqi of various water bodies critically polluted. Groundwater quality assessment using wa ter quality index yogesh s. An impact bond involves initial private community funding and efforts to recharge groundwater, with the govt. Due to human and industrial activities the ground water is contaminated. Using developed indices, groundwater iso index map for study area and the map of areas of which the indices are near to mineral waters was drawn. Water quality index is one of the most effective tools to communicate information on overall quality status of water to the concerned user community and policy makers. However, wqi depicts the composite influence of different water quality parameters and communicates water quality information to the public and legislative decision makers. Water quality index development for groundwater quality. Table 3 water quality index classification water quality index description 025 excellent 2650 good 5175 poor 76100 very poor 100 unfit for drinking 4. The conventional techniques such as trilinear plots.
Jan 21, 2010 an attempt has been made to understand the hydrogeochemical parameters to develop water quality index in thirumanimuttar subbasin. Assessment of groundwater quality status by using water quality index wqi and geographic information system gis approaches. Thereby, groundwater showed mostly a good to moderate status in terms of drinking water quality. These studies will serve as a good reference for researchers, agencies, and professional organizations in carrying out the european groundwater directive and for researching other european aquifers that have not been well documented. An assessment of groundwater quality index in bommasandra, bengaluru city, karnataka state, india. Arch environ sci 20, assessment of groundwater quality. The groundwater quality data from sixteen sampling stations within oneyearmonitoring period from march 2015 to february 2016 were used. Although spring water or groundwater products are often sold as pure, their water quality is different from that of pure water. For the nation as a whole, the chemical and biological character of ground water is acceptable for most uses. G roundwater quality comprises the physical, chemical, and biological qualities of ground water. Environmental protection agency website, is a slightly reformatted version of the published volume of the same name, which was issued by the e. Assessment of water quality index for the groundwater 525 groundwater in the study area occurs under water table conditions in the weathered and fractured granite, gneisses. Edokpayi 4, 1 department of chemistry, osun state college of education, ilaorangun, osun state 234101, nigeria.
To evaluate groundwater quality in modjo river basin, 31 groundwater samples were collected from existing pumping wells. The study for the same has been carried on the groundwater by collecting 47 groundwater samples from 25 blocks of greater noida city, india. Groundwater is not only an important component of the hydrological cycle but also the most important source of water for drinking, domestic, industrial and agricultural uses. Calculation of quality rating for ph for ph the ideal value is 7. Thus, it becomes an important parameter for the assessment and management of groundwater. Determining water quality index is to convert complex or complicated water quality data into information that is understandable and usable by public. Based on the quality of the groundwater in various areas, local policymakers and water resource managers can allocate the usage of resources for either drinking or agricultural purposes.
There is a growing need to develop robust methodologies to evaluate aquifer vulnerability and groundwater pollution risk to support the decision makers in the. Data on drinking water quality using water quality index wqi and. Assessment of groundwater quality index for jimeta yola. Groundwater quality in principal aquifers of the nation, 1991. Assessing groundwater quality for drinking purpose in jordan. Development of groundwater quality index article pdf available in environmental monitoring and assessment 16314. Water quality index wqi is valuable and unique rating to depict the overall water quality status in a single term that is helpful for the selection of appropriate treatment technique to meet the concerned issues. The study revealed that the water quality is unfit for human consumption without treatment. A total of 148 groundwater samples were collected and analyzed for major cations and anions. The present work is aimed at assessing the groundwater quality characteristics of bijapur city. Introduction ndia is a tropical county with a vast diversity of climate, topography and vegetation. Drinking water quality index dwqi water quality assessment was carried out using wqi, which is widely used for evaluating drinking water quality. The figures and diagrams were created by kelly hodgson.
Assessment of groundwater quality status by using water quality. The water quality index wqi is regarded as one of the most effective ways to communicate water quality. Water quality index wqi is considered as the most effective method of measuring water quality. Assessment of groundwater quality using water quality index. Wri performance of states on sector source augmentation groundwater index scores for sector base year fy 1516, fy 1617 key findings.
The quality of water from the aquifer systems defined in the aquifer systems section of the groundwater hydrology chapter is described using selected inorganic chemical analyses from 372 wells 157 completed in unconsolidated deposits and 215 completed in bedrock in the west fork white river basin. Groundwater resources and groundwater quality chapter 7. Using the book field manual for water quality monitoring, the national sanitation foundation surveyed 142 people representing a wide range of positions at the local, state, and national level about 35 water quality tests. About million people in the united states rely on groundwater for drinking water, and the need for high quality drinkingwater supplies becomes more urgent as our population grows. Mar 28, 2008 this book is a wellwritten explanation of the natural groundwater quality of european aquifers. The locations of groundwater samples were shown in fig. Pdf assessing the water quality status for special use is the main objective of any water quality monitoring studies. Wqi is defined as an index reflecting the composite influence of different water quality parameters which is considered and taken for calculation of water quality index.
Introduction the assessment of groundwater quality status is important for socioeconomic development of any region of the world. In this study, a groundwater quality index specific to seawater intrusion gqi swi was developed for the purpose of aggregating data into a comprehensible format that allows spatial analysis. Generally speaking, the longer the residence time, the higher the concentration of dissolved ions ingroundwater. Pdf development of groundwater quality index researchgate. Groundwater quality, jimetayola area, water quality index, chemical parameters.
Water quality index for measuring drinking water quality. A study on assessment of groundwater quality and its. Any particular use will have certain requirements for the physical, chemical or. The ground water resources are being utilized for drinking, irrigation and industrial purposes. February 20, 2020 today, epa announced a memorandum of agreement moa with usda that will help rural water systems face the challenges of aging infrastructure, workforce shortages, increasing costs, limited management capacity and declining rate bases. Evaluation of groundwater quality using water quality. Industrial discharges, urban activities, agriculture, groundwater pumpage, and disposal of waste all can affect groundwater quality. Water quality assessment of surface and groundwater sources using a water quality index method. Study area and hydrogeology the study area covers about 302 km2 and falls in survey of india toposheets 63 o3, 63 o4, 63 k15 and 63 k16.
The water quality of old groundwater is another issue to take into account. The present work is aimed at assessing the water quality index wqi for the ground water of indore city and its industrial area. Fifty sampling stations have been identified and water samples were collected from june to may. Malkki water quality is a term used here to express the suitability of water to sustain various uses or processes. Then, determined ec of groundwater samples were multiplied by 0. Water research center water quality index calculator.
Water quality assessment of surface and groundwater. Pdf assessment of groundwater quality using gwqi method. The ground water samples of all the selected stations from the wards were collected for a physiochemical analysis. The purpose of the present study is to estimate the groundwater quality in the. The index was first developed by horton in 1965 to measure water quality. Evaluation of groundwater quality and its suitability for. The domination of cations and anions was in the order of namgcak for cations and clhco3 so4 in anions. Assessment of groundwater quality using chemical indices and.
Groundwater can gather in cracks in subsurface rocks and in between soil particles. Groundwater quality should be continuously monitored for irrigation and drinking purpose so that risk from geochemical contaminants can be reduced by. The water quality index wqi is an important tool to determine the drinking water quality in urban, rural and industrial area. Peoples of libya are aware for ground water quality and purity level and present study will be use full for maintaining the desired levels. This index is the reduction of large amount of water quality data into a single numerical value ratnakanth babu et al. A case study of a periurban town in southwest, nigeria samuel o. The assessment of groundwater quality in the given area and its suitability for human consumption is computed based on water quality index values. Our goal is to protect existing and future beneficial uses of groundwater by reducing or eliminating pollution. Groundwater is a natural resource for drinking water. The index was evaluated with data from various coastal regions worldwide and then applied at a pilot karstic aquifer along the eastern coast of the.
Assessment of groundwater quality parameters in and. Indexbased groundwater vulnerability and water quality. It has been observed that the quality of water is good in the study area except one location. Groundwater tends to evolve chemically toward the composition of sea water during the course of flow. The analysis reveals the fact that the ground water quality of the country requires to be determined in order to evaluate the degree of. Like other natural resources, it should be assessed regularly and people should be. Chapter 2 water quality this chapter was prepared by m. Groundwater qualityintroductiongroundwater quality refers to the state of water that is located beneath earths surface. The relation between groundwater quality and vulnerability mapping indicates that groundwater quality is related more to land cover than to the specific geological and hydrogeological setting.
The groundwater samples of all the 35 wards were collected and subjected to physicochemical analysis. The water quality standards for groundwaters of the state of washington, chapter 173200 washington administrative code wac, sets standards to maintain the highest quality of groundwater. The quality of ground water in some parts of the country, particularly shallow ground water, is changing as a result of human activities. Assessment of groundwater quality by water quality indices for. An assessment of groundwater quality and its parameters. Groundwater quality and groundwater pollution thomas harteris uc cooperative extension hydrogeology specialist, university of california, davis, and kearney agricultural center. Assessment of groundwater quality and health risk in. Calcium and magnesium were given the weight of 2 as it plays an insignificant role in the water. Ground water quality in shallow aquifers of india 1 ground water quality in shallow aquifers of india 1. Groundwater quality publications groundwater quality classification for the principal basinfill aquifer, east shore area, davis county, utah. Ground water quality index of growing smart city of vadodara. The spatial distribution of ph is represented in figure 2. The conference organizing committee from the university of florida is pleased to welcome you to the 8th international association of hydrological sciences iahs groundwater quality conference gq to be held at the university of florida, j. Pdf development of groundwater quality index farid.
Groundwater quality 43 groundwater quality the geochemistry of ground water may influence the utility of aquifer systems as sources of water. Water quality standards for washingtons groundwater. Hence a study has been carried out for the quality of the available groundwater. It is defined as a rating reflecting the composite influence of different water quality parameters were taken into consideration for the calculation of water quality index wqi. Groundwater quality assessment using water quality index wqi in. Pdf groundwater quality assessment using water quality index. In the case study, the gwqi map reveals that groundwater quality in two areas is extremely near to mineral water quality. Assessing the water quality status for special use is the main objective of any water quality monitoring studies. A simple comprehensive weighted arithmetic method has been used for calculating water quality index. In the present study drinking ground water quality index has been assessed in the region of greater noida, u. Groundwater quality publications utah geological survey. Wqi indicates the quality of water in terms of index number which represents overall quality of water for any intended use. Saturation index langelier index calcium carbonate saturation index 126. Water quality index description 0 25 excellent 26 50 good 51 75 poor 76 100 very poor 100 unfit or unsuitable and 75, it represents that the groundwater is in the poor category.
Assessment of drinking water quality and its impact on. Assessment of groundwater quality and its suitability for. The assessment of the ground water quality was carried out in the different wards of indore city. Therefore, the quality rating for ph is calculated from the following relation. The water quality index wqi is an important parameter for determining the drinking water quality for the end users. Groundwater quality index of bijapur city, karnataka, india. Pdf evaluation of groundwater quality index with the help. Use of inferior quality of water for drinking will adversely affect human health. In addition, water quality index wqi has been widely used to indicate a water quality class for drinking use rabeiy, 2017. The major ion chemistry of groundwater of tumkur taluk has not been studied earlier. Evaluation of groundwater quality index for drinking purpose from some villages around.
A geographic information system gis interpolation technique is widely used to produce groundwater quality map and groundwater potential zone demarcation. Water quality assessment in terms of water quality index. Application of water quality index for groundwater quality. Assessment of water quality index for the groundwater in. As groundwater flows through sediments, metals such as iron and manganese are dissolved and may later be found in high concentrations in the water. Pdf water quality index wqi is a mathematical instrument applied to transform large quantity of water quality data into a single number. Evaluation of groundwater quality index for drinking. Findings reveal that groundwater quality in bahawalpur is deteriorating. Identification and management of the groundwater quality are of utmost importance for maintaining freshwater resources in arid and semiarid areas, which is essential for sustainable development.
Published on behalf of the world health organization by. An attempt has been made to understand the hydrogeochemical parameters to develop water quality index in thirumanimuttar subbasin. Index terms groundwater, pollution, leachate, soil nutrients, human health. Indices, groundwater, contamination, irrigation, jada 1 introduction the assessment of groundwater quality status is important for socioeconomic growth and development ishaku, 2011.81 1026 107 241 548 512 449 643 1160 1535 1078 1173 1299 100 1382 486 1052 660 897 149 1219 981 1338 71 1016 595 1103 1045 68 322 313 380 1336 831 1013 95 426 707 1417 1215 569 137 738 1168 1288 1177