Hydrochemical investigations of groundwater quality for drinking and irrigational purposes: two case studies of Koprivnica-Križevci County (Croatia) and district Allahabad (India)

Nemčić-Jurec, Jasna; Singh, Sudhir Kumar; Jazbec, Anamarija; Gautam, Sanjay K.; Kováč, Ivan

doi:10.1007/s40899-017-0200-x

Cited by 63 publications

(25 citation statements)

References 72 publications

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“…The decreased potential of nitrate pollution in the area could be linked to abundance of greenish vegetation and trees, which can expedite denitrification processes. Studies have shown that low nitrate concentration in waters in agricultural provinces could be due to dilution from precipitation, denitrification and uptake by plants (Hubbard and Sheridan 1989;Nemcic-Jurec et al 2017). Based on the Mg limit by NIS (2007), majority (66.67%) of the samples are magnesium contaminated.…”

Section: Physicochemical and Hydrogeochemical Signaturesmentioning

confidence: 99%

The hydrogeochemical signatures, quality indices and health risk assessment of water resources in Umunya district, southeast Nigeria

Mgbenu¹,

Egbueri

2019

Appl Water Sci

216

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The hydrogeochemical characteristics, water quality and health risk statuses of waters in Umunya district, southeastern Nigeria were studied, in attempt to evaluate their suitability for drinking and domestic purposes. Twelve groundwater and 3 surface water samples were analyzed for 26 physicochemical and hydrogeochemical parameters, using standard techniques. Results show that dominance of cations and anions is in the order Ca 2+ > Na + > K + > Mg 2+ and HCO 3-> Cl-> NO 3-> SO 4-, respectively. Order of dominance of the heavy metals is Pb > Zn > Fe > Ni > Mn > Cr > Ba. Eight water types were identified, with Ca-Na-HCO 3 (26.66%) and Na-Cl-HCO 3 (20%) dominating the study area. All the water types characterize five major facies. Further, the result revealed that the physical properties and chemical ionic concentrations in the waters are well below standard maximum permissible limits, although majority of the samples have pH values off the allowable limits of 6.5-8.5, classing the waters as slightly acidic. Generally, the water quality in the study area is deteriorated due to the presence of high levels of heavy metals. Water quality index results show that 46.67% of the water samples are in excellent and good categories. 13.33% are in poor water category, whereas 40% are in category unsuitable for drinking purposes. A good percentage of the waters predispose users to health risks. Stoichiometric and statistical analyses revealed that the variations in chemistry and quality of the waters are due to combined influence of human activities and geogenic processes (silicate weathering and ionic exchanges). Treatment of contaminated waters before use is, therefore, recommended.

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Section: Physicochemical and Hydrogeochemical Signaturesmentioning

confidence: 99%

The hydrogeochemical signatures, quality indices and health risk assessment of water resources in Umunya district, southeast Nigeria

Mgbenu¹,

Egbueri

2019

Appl Water Sci

216

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“…Under or over chemical fertilization is resulting in groundwater pollution (Ayers and Westcot 1985;Rowe and Abdel-Magid 1995;Singh et al 2013;Gautam et al 2015Gautam et al , 2016Nemčić-Jurec et al 2017). Groundwater quality depends on the nature of recharging water, precipitation, subsurface and surface water and hydro-geochemical processes in aquifers (Keesari et al 2016a;Das et al 2017), land-use/land-cover change (Amin et al 2014;Srivastava et al 2013;Gajbhiye et al 2015;Nemčić-Jurec et al 2017;Rawat et al 2017; and mining activities (Gautam et al 2016;Keesari et al 2016b;Gautam et al 2018). Temporal changes in the constitution and origin of the water recharged, and human factor, frequently cause periodic changes in groundwater quality (Vasanthavigar et al 2010;Milovanovic 2007).…”

Section: Introductionmentioning

confidence: 99%

Assessment of groundwater quality for irrigation use: a peninsular case study

2018

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The grade of irrigation water available to irrigators has a significant impact on crops as well as yields. Therefore, it is a need to better understand irrigation water quality. The present study mainly focuses on the assessment of the suitability of water of forty-four fixed bore wells of Kanchipuram district, Tamil Nadu, India. The groundwater sample datasets of post-monsoon (2005-2013) and pre-monsoon (2006-2013) season were collected for 9 years. Water quality indices, namely sodium adsorption ratio, exchangeable sodium percent (SSP or %Na), residual sodium carbonate (RSC or RA), Kelly's ratio, permeability index, chloroalkaline indices (CAI1 and CAI2), potential salinity (PS), magnesium hazard, total dissolved solids and total hardness, have been calculated for separate bore wells. The r 1 and r 2 indices show that groundwater of the study area is Na +-SO 4 2− and deep meteoric percolation type. Majority of the wells are fall under moderate to unsuitable category of water for irrigation purposes. Further, wells water has also been classified on the base of meteoric genesis index.

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“…Majority of the groundwater samples are plotted in Ca + Mg-rich cation field and HCO 3 + CO 3 -rich anion field. This indicates that there exists an ionic exchange of Ca-Mg-HCO 3 -rich waters, evolving from possible silicate hydrolysis, cation exchange, or a combination of both [37]. For clarity purposes, the silicate hydrolysis and ionic exchange are discussed in a different subsection.…”

Section: Water Types and Faciesmentioning

confidence: 99%

Evaluation and characterization of the groundwater quality and hydrogeochemistry of Ogbaru farming district in southeastern Nigeria

Egbueri

2019

SN Appl. Sci.

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The aim of this study was to evaluate and characterize the hydrogeochemistry and quality of groundwater (for human consumption) in Ogbaru district, southeast Nigeria. Borehole samples were subjected to physicochemical, bacteriological, hydrogeochemical, and statistical analysis. The physicochemical characteristics of the water were below standard maximum permissible limits for drinking water. Moreover, heavy metals were found in low concentrations (below their permissible limits) in all of the samples. However, majority of the samples have pH values below the allowable limits of 6.5-8.5, indicating they are slightly acidic waters. The dominance of cations and anions is in the order: Ca > Mg > Na > K and HCO 3 > Cl > NO 3 > SO 4 > PO 4 > NO 2 , respectively. Mg-Ca-HCO 3 water type dominated the area, constituting about 47.4% of the total samples. Ca-Mg-HCO 3 water type constituted about 16%; Mg-Ca-Na and Ca-Mg-Na-HCO 3 water types constituted 10.5% each, whereas Ca-Mg-Cl, Mg-Ca-Cl-NO 3 , and Ca-Mg types made up 5.2% each. The possible sources and influencers (both anthropogenic and geogenic) of the physical and chemical water quality parameters were identified by correlation and principal component analyses. Although most of the groundwater samples are of good quality based on the physicochemical properties, the presence of coliforms indicates that their quality is questionable and hence not safe for drinking. Therefore, treating them before use is recommended.

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Hydrochemical investigations of groundwater quality for drinking and irrigational purposes: two case studies of Koprivnica-Križevci County (Croatia) and district Allahabad (India)

Cited by 63 publications

References 72 publications

The hydrogeochemical signatures, quality indices and health risk assessment of water resources in Umunya district, southeast Nigeria

The hydrogeochemical signatures, quality indices and health risk assessment of water resources in Umunya district, southeast Nigeria

Assessment of groundwater quality for irrigation use: a peninsular case study

Evaluation and characterization of the groundwater quality and hydrogeochemistry of Ogbaru farming district in southeastern Nigeria

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