scholarly journals Evaluation of the Groundwater Quality Using the Water Quality Index and Geostatistical Analysis in the Dier al-Balah Governorate, Gaza Strip, Palestine

Water ◽  
2020 ◽  
Vol 12 (1) ◽  
pp. 262 ◽  
Author(s):  
Moustafa El Baba ◽  
Prabin Kayastha ◽  
Marijke Huysmans ◽  
Florimond De Smedt
Keyword(s):  
Water Quality ◽  
Groundwater Quality ◽  
Water Samples ◽  
Water Quality Index ◽  
Quality Index ◽  
Gaza Strip ◽  
Geostatistical Analysis ◽  
Human Consumption ◽  
Chemical Parameters ◽  
Large Area

Groundwater contamination is a major problem in the Gaza Strip. In this study we investigate the groundwater quality in the Dier al-Balah Governorate. Water samples were collected from 19 municipal wells in April 2009 and April 2014 and analyzed for physio-chemical parameters (pH, TDS, Ca2+, Mg2+, Na+, K+, Cl−, SO42–, HCO3− and NO3−). The aim of the research is to determine the groundwater quality and to produce groundwater quality maps using the water quality index (WQI) method and geostatistical analysis. The results show that all water samples are very saline due to the intrusion of Mediterranean seawater in the coastal aquifer. Differences in chemical composition between 2009 and 2014 indicate that about 1% more seawater was mixed with the groundwater in this period. The majority of the observed chemical parameters of all wells are well above the WHO water quality standards and all WQI values indicate that the water quality is problematic. The spatial variation of the WQI scores is modelled by a deterministic component expressing a linear dependence on the distance to the coastline and a stochastic residual described by an exponential variogram with a practical range of 3000 m. The mapping of the WQI scores and derived water quality classes is achieved through regression-kriging. The results indicate that the groundwater in a large area along the coastline is unsuitable for human consumption and comparison of the maps of 2009 and 2014 shows that this region further expanded by about 700 m inland in a period of 5 years. The results of this study are worrying, but they also contribute to a better understanding of the factors that determine the groundwater quality and can help authorities and stakeholders with sustainable development.

scholarly journals Groundwater quality assessment using water quality index (WQI) under GIS framework

2021 ◽  
Vol 11 (2) ◽  
Author(s):  
Arjun Ram ◽  
S. K. Tiwari ◽  
H. K. Pandey ◽  
Abhishek Kumar Chaurasia ◽  
Supriya Singh ◽  
...  
Keyword(s):  
Water Quality ◽  
Groundwater Quality ◽  
Water Quality Index ◽  
Quality Index ◽  
Uttar Pradesh ◽  
Granite Gneiss ◽  
Total Hardness ◽  
Human Consumption ◽  
Anthropogenic Contamination ◽  
Quality Of Water

AbstractGroundwater is an important source for drinking water supply in hard rock terrain of Bundelkhand massif particularly in District Mahoba, Uttar Pradesh, India. An attempt has been made in this work to understand the suitability of groundwater for human consumption. The parameters like pH, electrical conductivity, total dissolved solids, alkalinity, total hardness, calcium, magnesium, sodium, potassium, bicarbonate, sulfate, chloride, fluoride, nitrate, copper, manganese, silver, zinc, iron and nickel were analysed to estimate the groundwater quality. The water quality index (WQI) has been applied to categorize the water quality viz: excellent, good, poor, etc. which is quite useful to infer the quality of water to the people and policy makers in the concerned area. The WQI in the study area ranges from 4.75 to 115.93. The overall WQI in the study area indicates that the groundwater is safe and potable except few localized pockets in Charkhari and Jaitpur Blocks. The Hill-Piper Trilinear diagram reveals that the groundwater of the study area falls under Na+-Cl−, mixed Ca2+-Mg2+-Cl− and Ca2+-$${\text{HCO}}_{3}^{ - }$$ HCO 3 - types. The granite-gneiss contains orthoclase feldspar and biotite minerals which after weathering yields bicarbonate and chloride rich groundwater. The correlation matrix has been created and analysed to observe their significant impetus on the assessment of groundwater quality. The current study suggests that the groundwater of the area under deteriorated water quality needs treatment before consumption and also to be protected from the perils of geogenic/anthropogenic contamination.

scholarly journals EVALUATION GROUNDWATER QUALITY BY USING GIS AND WATER QUALITY INDEX TECHNIQUES FOR WELLS IN BARDARASH AREA, NORTHERN IRAQ

2020 ◽  
Vol 53 (2C) ◽  
pp. 87-104
Author(s):  
Kaiwan Fatah
Keyword(s):  
Water Quality ◽  
Groundwater Quality ◽  
Water Quality Index ◽  
Quality Index ◽  
Total Alkalinity ◽  
Total Hardness ◽  
Chemical Parameters ◽  
Alternative Source ◽  
Distribution Maps ◽  
Poor Water Quality

Studying groundwater quality in arid and semi-arid regions is essential significant because it is used as a foremost alternative source for various purposes (human and animal consumption, economic, agriculture and irrigation). Geographic Information System and Water Quality Index techniques were utilized for visualizing and evaluating the variations of groundwater quality in the studied area. Total twelve wells were sampled and twelve groundwater quality (chemical) parameters; pH, Total Alkalinity, Total Hardness (TH), Total Dissolved Solid (TDS), Electrical Conductivity (Ec), Potassium (K), Nitrate (NO3), Sulfate (SO4), Chloride (Cl), Calcium (Ca), Magnesium (Mg) and Sodium (Na) were analyzed in the laboratory. Inverse Distance Weighted technique was used as a useful tool to create and anticipate spatial variation maps of the chemical parameters. Predicting or anticipating other areas not measured, identifying them and making use of them in the future without examining samples. The results of this research showed that 8.3% of the studied wells have excellent groundwater quality, and almost sampling wells about 75% found in good groundwater quality, while findings of groundwater quality of 16.7% studied wells belong to poor water quality due to standards of Water Quality Index. Moreover, spatial analysis in term of groundwater quality map showed that Excellent groundwater quality was detected in well 3, very good groundwater potential was noticed in six studied wells (wells 2, 6, 8, 10, 11 and 12), and other sampling wells (wells 4 and 7) were observed as good groundwater quality, while poor water quality was observed in wells (well 1 and 5). Hence, spatial distribution maps showed that the almost groundwater quality in the area about 1046.82 km² (99.04%) are suitable for drinking purpose, whereas proximate 10.18 km² (0.96%) are observed as poor water quality and inappropriate for consumptions especially in the southern part of the area.

scholarly journals Development of water quality index of ex-mining ponds in Malaysia

2019 ◽  
Vol 15 (1) ◽  
pp. 54-60 ◽  
Author(s):  
Isa Baba Koki ◽  
Sharifuddin Md Zain ◽  
Low Kah Hin ◽  
Azman Azid ◽  
Hafizan Juahir ◽  
...  
Keyword(s):  
Water Quality ◽  
Water Quality Index ◽  
Quality Index ◽  
Human Consumption ◽  
Chemical Parameters ◽  
Metal Pollutants ◽  
Physico Chemical ◽  
Klang Valley ◽  
Mining Water ◽  
Quality Status

In this paper, a study on the development  of water quality index of ex-mining ponds was carried out for proper assessment  and utilization of the abundant ex-mining ponds in Malaysia. Heavy metals were analyzed using inductively coupled plasma mass spectrophotometer (ICPMS), and physico chemical parameters were analyzed in-situ. Chemometric analysis was successfully applied for the parameter selection process. The water quality index of existing Malaysian river did not accommodate the toxic metal pollutants that dominanted in ex-mining water. The acceptable index should therefore incorporate the metal pollutants in order to evaluate the quality status of ex-mining water for human consumption which is the major point of consideration. Two water quality indices were developed to assess the water quality status of ex-mining ponds with reference to Malaysia’s water quality standard (INWQS). The heavy metal index was comprised of contribution from Pb, As, and Cd as the selected metals, while the physico-chemical parameter index has BOD, pH, DO, and AN. Chemometric analysis revealed the dominance of the selected heavy metals in ex-mining water, and physico-chemical parameters were important in water quality monitoring. Heavy metal water quality index revealed that most ex-mining ponds in Klang Valley were classified to be very poor hence could not be used for human consumption. Due to domestic input in some of the lakes in Klang Valley, the physico-chemical water quality index was in very poor status as well.  In Melaka and Negeri Sembilan, ex-mining ponds and lakes were classified as excellent in both indices.    

scholarly journals Some Physico-Chemical Parameter's Assessment for The Groundwater Samples of Kathlal Tehsil, Gujarat, India in Summer Season

2019 ◽  
pp. 811-814
Author(s):  
Pravin Mevada ◽  
G. R. Jani ◽  
Preksha Patel
Keyword(s):  
Water Quality ◽  
Ground Water ◽  
Water Samples ◽  
Water Quality Index ◽  
Quality Index ◽  
Summer Season ◽  
Chemical Parameters ◽  
Physico Chemical ◽  
Groundwater Samples ◽  
Tube Wells

The present study deals with Assessment of Physico-Chemical parameters of ground water samples of Kathlal tehsil. Physio-Chemical parameters like EC, Temperature, TDS, Ca2+ , Mg2+ , Na+, K+ ,Cl-, CO32-, HCO3-, SO42- , NO3-, F- were analyzed in this present study. The samples were collected in April-2013 (Summer Season). Total 10 samples of groundwater was carried out from Tube wells/Bore wells of Kathlal Tehsil in order to assess water quality index.

scholarly journals Application of multivariate statistical analysis and water quality index for quality characterization of Parbati River, Northwestern Himalaya, India

2021 ◽  
Vol 1 (1) ◽  
Author(s):  
Gaurav Sharma ◽  
Renu Lata ◽  
Nandini Thakur ◽  
Vishal Bajala ◽  
Jagdish Chandra Kuniyal ◽  
...  
Keyword(s):  
Water Quality ◽  
Surface Water ◽  
River Water ◽  
Water Samples ◽  
Water Quality Index ◽  
Quality Index ◽  
River Water Quality ◽  
Chemical Parameters ◽  
Piper Trilinear Diagram ◽  
Surface Water Samples

AbstractThe present study is an attempt to accomplish the understanding of the factors impacting Parbati river water quality in Kullu district of Himachal Pradesh. The main objective is to assess the overall water quality, to explore its hydrogeochemical characteristics including major ion contents and other chemical parameters using Water Quality Index (WQI), statistical techniques (principal component analysis) and conventional graphical representation such as Piper trilinear diagram, Durov. Eighteen surface water samples were collected from different altitudinal sites to analyze physico-chemical parameters for June 2019 and September 2019. Analytical outcomes of thirty-six surface water samples collected in Pre-monsoon and Post-monsoon seasons are well within the permissible limits as per BIS, 2012 and WHO 2011 for drinking and domestic purposes. Water quality characterization for the assigned use shows that maximum surface water samples fall under excellent to good water quality index and are suitable for drinking without conventional treatment. The Piper trilinear diagram classified 100% of surface water samples for both seasons’ falls in the fields of Ca2+-Mg2+-HCO3− water type indicating temporary hardness. Abundance of ions in the water samples is in the order: anions HCO3−>Cl−>SO42−>NO3− and cations Mg2+>Ca2+>Na+>K+. PCA identifies that the surface water chemistry is influenced by natural factors as well as minor anthropogenic activities in both the seasons. The correlation matrix has been prepared to analyse and observe the significance of the factors on the assessment of river water quality. Periodic assessment of surface water samples of the Parbati river and adjoining areas should be carried out. This approach will help in finding out any contamination of water occurring due to rapid socio-economic development as well as explosion of tourism industry in the region. Present study will work as baseline database for any future work in the region.

scholarly journals Assessment of groundwater quality in Khulna city of Bangladesh in terms of water quality index for drinking purpose

2020 ◽  
Vol 10 (11) ◽  
Author(s):  
Asif Mahmud ◽  
Shraboni Sikder ◽  
Jagadish Chandra Joardar
Keyword(s):  
Water Quality ◽  
Drinking Water ◽  
Groundwater Quality ◽  
Water Samples ◽  
Water Quality Index ◽  
Quality Index ◽  
Total Hardness ◽  
Tube Wells ◽  
Drinking Purpose

Abstract Valuation of water quality index (WQI) is one of the simplest, easily understandable, and efficacious techniques to evaluate the quality and suitability of water for drinking as well as other purposes. This research was aimed to investigate the drinking water quality of tube wells from different areas in Khulna City, Bangladesh, by developing the WQI. Water samples from 59 tube wells were collected from different locations during the pre-monsoon time. pH, electric conductivity (EC), dissolve oxygen (DO), total dissolved solid (TDS), chloride (Cl−), nitrate (NO3−), and total hardness of the collected water samples were analyzed for the calculation of WQI. The mean value for pH, EC, DO, TDS, Cl−1, NO3−, and total hardness was 7.30, 1650 μS/cm, 1.60 mg/l, 1188.7 mg/l, 414.6 mg/l, 0.029 mg/l, and 52.03 mg/l, respectively. The calculated WQI values for individual places were distributed spatially through mapping by using ArcGIS software. Based on the WQI values, the drinking water was categorized into excellent, good, poor, very poor, and unfit for drinking purposes. The calculated WQI values ranged from 40.11 to 454.37 with an average value of 108.94. Among all the groundwater samples, 11.86% were excellent, 54.24% were good, 23.73% were poor, 1.69% were very poor, and 8.47% were unfit for drinking purpose based on WQI. The results showed that the groundwater quality of most of the studied areas of Khulna city could be considered safe and suitable for drinking barring the elevated EC and chloride content in some areas. Since Khulna city is situated in the southwestern part of Bangladesh and gradually approaches toward the base level of the Bay of Bengal which might be the source of salt concentration in the groundwater of Khulna city, Bangladesh.

scholarly journals Evaluation of Groundwater Quality Suitability for Drinking Purpose Using Water Quality Index Approach in Yarmouk Basin, Jordan

2018 ◽  
Vol 1 (2) ◽  
pp. 84-92
Author(s):  
Mohamad Ibrahim *
Keyword(s):  
Water Quality ◽  
Groundwater Quality ◽  
Water Quality Index ◽  
Quality Index ◽  
Total Dissolved Solids ◽  
Total Hardness ◽  
Chemical Parameters ◽  
Index Approach ◽  
Yarmouk Basin ◽  
Physical And Chemical

Groundwater quality is an issue of national concern in Jordan since it is the main water source for drinking, agriculture and industrial purposes. In this context, an attempt has been made to determine the suitability of groundwater in the Yarmouk Basin in Jordan for drinking purposes using the weighted arithmetic water quality index approach with the respect to the Jordanian standards for drinking water. Groundwater quality records from 15 sampling stations spread across Yarmouk Basin during 2008- 2015 are used. Seven physical and chemical parameters are selected to calculate the water quality index. These parameters are pH, total dissolved solids, total hardness, sulfates (SO4 −2 ), chlorides (Cl− ), nitrates (NO3 − ), and sodium (Na+ ). The relationship between the selected groundwater quality parameters is evaluated using the correlation coefficient. A strong relationship is found between several parameters such as Cl− with Na+ , total dissolved solids with Na+ , Cl− , TH and SO4 −2 and total hardness with SO4 −2. A moderate relationship is found between SO4 −2 with Na+ , TH with Cl− and Na+ , SO4 −2 with Cl− , Cl− with NO3 − and NO3 − with Na+ . Also, the mean concentration values of the physical and chemical parameters are almost below the maximum allowable level based on Jordanian standards for drinking except for two sampling locations. According to water quality index scale classification, the groundwater quality of the studied locations is in the excellent to poor water range with computed mean water quality index values range from 26.3 to 107.93. Out of 15 studied locations, ten locations are classified in the ‘Excellent water’ class, four locations as a “Good water” class, one as a “Poor water” class. None of the studied locations are classified in the “Very poor water” class and “Water unsuitable for drinking purpose” class. Temporal variations and spatial distribution of groundwater quality in Yarmouk Basin based on WQI are also evaluated. The WQI spatial distribution map clearly showed the best locations for drinking water in the Yarmouk Basin. Water quality indices are used to provide theoretical support to water managers and policymakers for proper actions on groundwater quality management

scholarly journals Assessment of the Quality of Well Dug Water Samples in Nigeria and Their Suitability for Drinking and Irrigation Purposes

2021 ◽  
Author(s):  
Samuel Dare Oluwagbayide ◽  
Francis Olawale Abulude
Keyword(s):  
Water Quality ◽  
Water Samples ◽  
Water Quality Index ◽  
Quality Index ◽  
Total Hardness ◽  
Chemical Parameters ◽  
Drinking And Irrigation ◽  
Physico Chemical

Abstract The quality of well-dug water for drinking and irrigation purposes must be measured as part of a sustainable groundwater analysis. The study aimed to assess water quality and to evaluate their usefulness for drinking and irrigation, using the Drinking Water Quality Index (DWQI) and Irrigation Water Quality Index (IWQI). To achieve this, standard methods were used for the determination of physicochemical parameters of the water samples, while using models (ESP, SSP, SAR, MAR, KR, TDS, and EC) to ascertain their suitability for drinking and irrigation. According to the findings, the determined Physico-chemical parameters were compared to standard limits and found desirable because they were within the guidelines. Low pH (6.4-7), total dissolved solids (106–130 mg/L), total hardness (42–56 mg/L), calcium (3.5–8.3 mg/L), magnesium (1.13.6 mg/L), nitrate (4.6–16 mg/L), chloride (1.8–3.1), and sulphate (14–15. mg/L) in the well samples were found to be the key cause of the low DWQI and IWQI value at these sites. The results also depicted that all the water samples are of exceptional quality (excellent).

scholarly journals WATER QUALITY INDEX FOR WATER SAMPLES OF RAJGHAT RESERVOIR IN SAGAR CITY, M.P., INDIA

2020 ◽  
Vol 14 (2) ◽  
pp. 131-137
Author(s):  
Hemant Pathak
Keyword(s):  
Water Quality ◽  
Water Samples ◽  
Water Quality Index ◽  
Quality Index ◽  
Total Alkalinity ◽  
Nutrient Concentrations ◽  
Total Hardness ◽  
Human Consumption ◽  
Temperature Conductivity

The present work is aimed at assessing the water quality index (WQI) for the Rajghat reservoir water on Bewas River life line of Sagar city. This has been determined by collecting water samples from selected 5 locations covered entire reservoir, and subjecting the samples to a most important physico-chemical analysis. 14 parameters have been considered: DO, water temperature, Conductivity, TDS, TSS, pH, Total hardness, calcium content, magnesium content, Total alkalinity, chloride, nitrate, o-Phosphate, and iron present in water samples. The results obtained reveal that the water quality of the area needs some degree of treatment before consumption. It therefore becomes imperative to regularly monitoring the quality of water to protect it. The objective of the present work is to compute water quality index values to assess the suitability of water for human consumption. Water level has a net positive effect on water quality in water body through dilution of environmental parameters. Consequently, local management agencies should pay more attention to nutrient concentrations during the monitoring schedule, as well as during the low-water periods which manifest a relatively bad water quality state.

scholarly journals Application of Multivariate Statistical Analysis and Water Quality Index for Quality Characterization of Parbati River, Northwestern Himalaya, India

2021 ◽  
Author(s):  
Gaurav Sharma ◽  
Renu Lata ◽  
Nandini Thakur ◽  
Vishal Bajala ◽  
J. C. Kuniyal ◽  
...  
Keyword(s):  
Water Quality ◽  
Surface Water ◽  
Water Samples ◽  
Water Quality Index ◽  
Quality Index ◽  
Graphical Representation ◽  
Water Type ◽  
Chemical Parameters ◽  
Surface Water Chemistry ◽  
Surface Water Samples

Abstract The present study is an attempt to accomplish the understanding of the factors impacting surface water quality of Parbati river in Kullu district of Himachal Pradesh. The main objective is to assess the overall water quality, to explore its hydrogeochemical characteristics including major ion contents and other chemical parameters using Water Quality Index (WQI), statistical techniques (principal component analysis) and conventional graphical representation such as Piper trillinear diagram, Durov. Eighteen surface water sampling sites were selected to analyze physico-chemical parameters for June 2019 and September 2019. Analytical outcomes of thirty six surface water samples for both seasons are well within the permissible limits as per BIS, 2012 & WHO 2011 for drinking and domestic purposes. Water quality characterization for the assigned use shows that maximum surface water samples falls under excellent to good water quality index and are suitable for drinking without conventional treatment. The Piper trillinear diagram classified 100% of surface water samples for both seasons’ falls in the fields of Ca2+ - Mg2+ -HCO3− water type indicating temporary hardness. Abundance of ions in the water samples is in the order: anions HCO3− > Cl−> SO42−>NO3− and cations Mg2+> Ca2+> Na+> K+. PCA identifies that the surface water chemistry is influenced by natural factors as well as minor anthropogenic activities in both the seasons.

Sign in / Sign up

Export Citation Format

Share Document