Research Article | | Peer-Reviewed

The Analysis of Water Quality Index with Study of the Effect of Textile Effluents on the Groundwater of Bhilwara City

Received: 10 February 2025     Accepted: 24 February 2025     Published: 18 March 2025
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Abstract

Contamination of water is a big concern that is now existing not just in India but also all around the world. In the city of Bhilwara, which is located in India, there is a lack of well-organized drainage and sewer infrastructure, as well as poor management of solid waste. The quality of the water is decreasing as a result of the discharge of these contaminants into the Banas River, which is located nearby, through a variety of different channels. Therefore, the purpose of this study is to evaluate the existing groundwater quality in Bhilwara city by utilizing hadrochemical, multivariate statistical, and Water Quality Index (WQI) status. According to the conclusions of the study, the amount of potable water that is available in this little community is gradually decreasing. The water quality index (WQI) of the source, which can range anywhere from 62 to 74, reveals that the quality of the groundwater is deteriorating on a daily basis. There should be a comprehensive management strategy that includes monitoring cells, according to the findings of this study, in order to protect the water environment in the Bhilwara region.

Published in Modern Chemistry (Volume 13, Issue 1)
DOI 10.11648/j.mc.20251301.11
Page(s) 1-8
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2025. Published by Science Publishing Group

Keywords

Contamination, Groundwater, Physicochemical, Water Quality Index, Correlation

1. Introduction
An rising number of contaminants are endangering the world's water resources by lowering the quality of the water in rivers, lakes, aquifers, and oceans . Pollutant discharges via the sewage system are what drive it these days. Thus, the planning, development, implementation, monitoring, and auditing of water quality are all involved in water quality management . Gaining further insight into the extent and consequences of issues related to water quality is essential for creating strategies and policies aimed at reducing pollution in the water supply . The many and complex steps involved in evaluating the quality of the water are like a chain with around a dozen links; if one of them breaks, the assessment's overall reliability may suffer. . Traditionally, aquatic environment quality evaluations have been primarily inspired by the need to verify if the observed water quality is adequate for planned usage. . Water quality is now assessed by in situ measurements and the collection of water samples for additional research laboratory studies. These methods are vital for controlling and enhancing the quality of groundwaters . Dissolved organic matter (DOM), oils, suspended sediments, pathogens, DOM, oils, and aquatic vascular plants alter the energy spectra of reflected solar radiation and/or thermal radiation that is emitted from surface water to the ground. These changes can be measured through the use of remote sensing techniques . The mainstream of substances and microbes don't directly alter or modify the thermal or spectral characteristics of groundwaters . They can only be identified indirectly by measurements of other water quality pointers affected by these compounds . With 10.4% of the country's total land area, Rajasthan is the major state in India. It is also arguably the most magnificently architecturally designed, artistically decorative, and tribally diverse state in India. Industrialization began slowly in the 1960s, with textiles, agriculture, and minerals being the main industries . Numerous villages are situated in close proximity to the textile industrial region of Bhilwara. The majority of these textile enterprises disposed of their waste in the open without any treatment, which has resulted in the ongoing degradation of the groundwater quality. Bhilwara produces more fabric than Maharashtra and Bhiwadi combined. Rajasthan is the second-largest producer of cement in India and the leader in quarrying and mining. . Sambhar has abundant salt reserves, Khetri has copper mines, and Dariba-Bhilwara has zinc mines. Zinc mines at Zawar Mala and Rampura Aghucha, close to Bhilwara, are located . We aim to bring the attention of the policy makers to the fact that a new policy should be generated by the policy makers for the improvement of groundwater in the village. In the current study, an effort has been made to assess the impact of textile industries on the groundwater superiority of Bhilwara city.
2. Materials and Methods
2.1. Study Area
With 34.22 million hectares, or 10.5% of the nation's total size, Rajasthan is the biggest state in India, however it only shares 1.15% of its water resources . 60% to 75% of the state is semi-arid or arid. With little and variable drizzle, high summer temperatures, low humidity, strong winds, a adverse water balance, and a severe water deficit, Western Rajasthan is dry to semi-arid . The eastern part of the state experiences more humidity, calmer winds, and more rainfall in its semi-arid to sub-humid climate. Groundwater is overused in several parts of the state . The study area, which spans 76,546 km2, comprises six districts that are centrally located in the state of Rajasthan. Atoon is located in Bhilwara. With 1616 men and 1607 women, there are 3223 individuals based on 2011 census data. With 647 homes, this community occupies 1501 hectares of the overall land area. Figure 1 depicts the research region, while Table 1 provides specifics such as physical, geological, and hydrogeological parameters.
Figure 1. Study area map.
2.2. Water Sampling
Ground water samples from around Bhilwara city of Rajasthan were collected in pre-cleaned and rinsed polythene bottles of one-Liter capacity with necessary precautions . The samples were collected, from April 2021 to Dec. 2023 from manually operated hand pumps.
3. Physico-chemical Analysis
The following physico-chemical characteristics were examined for each sample: pH, total alkalinity (TA), total hardness (TH), calcium hardness (Ca H), magnesium hardness (Mg H), total dissolved solids (TDS), nitrate, fluoride, and electrical conductivity (EC), Water sample analyses were performed using accepted analytical procedures . When preparing the solutions, double-distilled water was used together with just AR-grade chemicals. Table 1 provides a summary of the analytical methodologies' specifics.
Table 1. Parameters and methods employed in the physicochemical examination of water samples.

S. No.

Parameters

Unit

Method Employed

1

pH

Digital pH meter

2

EC

µmhos/cm

Digital Conductivity Meter

3

Total Alkalinity

Mg/L

Titrimetric method (With HCl)

4

Total Hardness

Mg/L

Titrimetric method (with EDTA)

5

Sulphate

Mg/L

Spectrophotometric method

6

Nitrate

Mg/L

Spectrophotometric method

7

Fluoride

Mg/L

Digital Pen Fluoride Meter

8

TDS

Mg/L

Digital TDS-meter

9

Na

Mg/L

Flam photometry

10

K

Mg/L

Flam photometry

Table 2. The value of different parameters and comparison with WHO standards.

Parameters

2021

2022

2023

WHO limit

pH

7.5

7.6

7.9

6.5 - 8.5

EC

1380

1640

1350

1400

Total Alkalinity

323

228

140

600

Total Hardness

360

216

190

600

Sulphate

253

210

95

150

Nitrate

2.62

3.2

2.4

45

Fluoride

0.86

0.92

1.1

1.5

Total Dissolved Solid

1120

1226

894

500

Na

329

124

152

50

K

2.6

3.5

7.6

200

Table 3. The Anova analysis of selected parameters showing in table 2.

Anova: Single Factor

SUMMARY

Groups

Count

Sum

Average

Variance

7.5

9

3771.08

419.0089

248109.7

7.6

9

3651.62

405.7356

358652.9

7.9

9

2832.1

314.6778

227303.8

6.5 - 8.5

9

3546.5

394.0556

199938.7

ANOVA

Source of Variation

SS

df

MS

F

P-value

F crit

Between Groups

59428.36

3

19809.45

0.076632

0.972162

2.90112

Within Groups

8272041

32

258501.3

Total

8331469

35

It is evident from the Anova analysis in Table 3 that the p value is significantly less than the alpha value, we can conclude that the data we acquired during the experiment are excellent and free of any form of error.
4. Result and Discussion
Based on the findings result (Table 2) many parameters are beyond the limit shown by WHO. The water quality index of 2023 has the highest value the value of 2021, which indicates the pollution increased day by day in Bhilwara, Atoon is situated near an industrial area hance the greater the air and underground water pollution affected the water quality. The result of this is as follows:
Year-wise statistics of groundwater chemistry are presented in Table 2. pH values in the study area were within the recommended limit (6.5–8.5). The water in the area is normal to saline and Total Dissolved Solids (TDS) range from 894 to 1226 mg/L. High fluoride (up to 1.1 mg/L) is dominantly present in the study area. Nitrate is higher (up to 2.4 mg/L) may be due to leaching from plant nutrients and nitrate fertilizers. The Electric conductance was quite higher than the WHO limit in 2022. The concentration of sulphate was quite higher in 2021 and 2022. Total dissolved solids (TDS) are always higher in all three years.
4.1. Water Quality Index
The WQI of 2023 has a greater value which is unfit for drinking purposes (which is shown in Tables 4 to 6). The WQI approach is an effective instrument that makes it simple to inform the public—especially policymakers—about the quality of the water. It is a clear instrument that makes it possible to integrate the water characteristics, which are consequently thought to be significant for the water's quality . The ten most widely used water quality metrics are pH, EC, TDS, TH, NItrate, Sulfurate, Sodium, and Potassium. These factors collectively represent the overall water quality of the Atoon Village that was chosen to create the water quality index. Using the "weighted arithmetic index method," the WQI has been calculated . The calculated water quality Index result are as follows:
Table 4. The WQI result of 2021.

Parameters

WHO limit (Sn)

1/Sn

K= 1/∑1/Sn∑1/Sn

Wn=K/Sn

2021 Reading (Vn)

Vn/Sn

Qn= Vn/Sn*100

WnQn

pH

8.5

0.117647

1.184482942

0.13935093

7.5

0.3333

33.33

4.644567

EC

1400

0.000714

1.184482942

0.00084606

1380

0.985714

98.57142857

0.083397

Total Alkalinity

600

0.001667

1.184482942

0.00197414

323

0.538333

53.83333333

0.106274

Total Hardness

600

0.001667

1.184482942

0.00197414

360

0.6

60

0.118448

Sulphate

150

0.006667

1.184482942

0.00789655

253

1.686667

168.6666667

1.331885

Nitrate

45

0.022222

1.184482942

0.02632184

2.62

0.058222

5.822222222

0.153252

Fluoride

1.5

0.666667

1.184482942

0.78965529

0.86

0.573333

57.33333333

45.27357

Total Dissolved Solid

500

0.002

1.184482942

0.00236897

1120

2.24

224

0.530648

Na

50

0.02

1.184482942

0.02368966

329

6.58

658

15.5878

K

200

0.005

1.184482942

0.00592241

2.6

0.013

1.3

0.007699

0.84425

1

67.83754

Table 5. WQI Result of 2022.

Parameters

WHO limit (Sn)

1/Sn

K= 1/∑1/Sn∑1/Sn

Wn= K/Sn

2022 Reading (Vn)

Vn/Sn

Qn= Vn/Sn*100

WnQn

pH

8.5

0.117647

1.184482942

0.13935093

7.6

0.4

40

5.5740

EC

1400

0.000714

1.184482942

0.00084606

1640

1.1714

117.1428

0.09910

Total Alkalinity

600

0.001667

1.184482942

0.00197414

228

0.38

38

0.07501

Total Hardness

600

0.001667

1.184482942

0.00197414

216

0.36

36

0.07106

Sulphate

150

0.006667

1.184482942

0.00789655

210

1.4

140

1.1055

Nitrate

45

0.022222

1.184482942

0.02632184

3.2

0.07111

7.1111

0.1871

Fluoride

1.5

0.666667

1.184482942

0.78965529

0.92

0.61333

61.33333

48.4321

Total Dissolved Solid

500

0.002

1.184482942

0.00236897

1226

2.452

245.2

0.58750

Na

50

0.02

1.184482942

0.02368966

124

2.48

248

5.8750

K

200

0.005

1.184482942

0.00592241

3.5

0.0175

1.75

0.01036

0.84425

1

62.0103

Table 6. WQI Result of 2023.

Parameters

WHO limit (Sn)

1/Sn

K= 1/∑1/Sn∑1/Sn

Wn= K/Sn

2023 Reading (Vn)

Vn/Sn

Qn= Vn/Sn*100

WnQn

pH

8.5

0.117647

1.184482942

0.13935093

7.9

0.6

60

8.36105

EC

1400

0.000714

1.184482942

0.00084606

1350

0.9642

96.4285

0.081584

Total Alkalinity

600

0.001667

1.184482942

0.00197414

140

0.23333

23.3333

0.046063

Total Hardness

600

0.001667

1.184482942

0.00197414

190

0.31666

31.6666

0.063514

Sulphate

150

0.006667

1.184482942

0.00789655

95

0.63333

63.3333

0.50015

Nitrate

45

0.022222

1.184482942

0.02632184

2.4

0.05333

5.3333

0.14038

Fluoride

1.5

0.666667

1.184482942

0.78965529

1.1

0.73333

73.3333

57.9080

Total Dissolved Solid

500

0.002

1.184482942

0.00236897

894

1.788

178.8

0.4235

Na

50

0.02

1.184482942

0.02368966

152

3.04

304

7.2016

K

200

0.005

1.184482942

0.00592241

7.6

0.038

3.8

0.0225

0.84425

1

74.7475

On the basis of the above tabulation result, we state that the water quality index increased day by day Table 4. Show the 2021 WQI which is 67.83 which is not suitable for drinking purposes, Table 5. Reflects the 2022 WQI is equal to 62 and table no. 6 show the 2023 WQI is 74.74 which is not good for drinking purpose.
4.2. Correlations
Table 7. Correlation between analytical data.

Column1

pH

EC

Total Alkalinity

Total Hardness

Sulphate

Nitrate

Fluoride

Total Dissolved Solid

Na

K

pH

1

EC

-0.36649

1

Total Alkalinity

-0.95441

0.072053

1

Total Hardness

-0.78865

-0.28303

0.936223661

1

Sulphate

-0.94154

0.031614

0.999180169

0.94968254

1

Nitrate

-0.52307

0.984689

0.244816158

-0.111508597

0.205363

1

Fluoride

1

-0.36649

-0.954411087

-0.788649573

-0.9415442

-0.52307

1

Total Dissolved Solid

-0.84702

0.804994

0.649743022

0.341183131

0.6184359

0.89609

-0.847024

1

Na

-0.5971

-0.52752

0.809322282

0.964109426

0.8324379

-0.37136

-0.5971

0.079363817

1

K

0.997343

-0.43329

-0.93013186

-0.741766618

-0.9145024

-0.58376

0.9973433

-0.883494754

-0.53708

1

Table 7 reflects the correlation between the parameters which shows the inter-relationship of parameters which are as follows- The pH has highly positively correlated with fluoride and potassium and highly negatively correlated with total alkalinity, total hardness, sulphate, and TDS. EC is highly correlated with nitrate ion concentration and TDS. Total Alkalinity strongly correlated with TDS, Sulphate ions, and sodium ion concentration. Total hardness is strongly correlated with sulphate ions and sodium ion concentration. Sulphate is highly correlated with sodium ion concentration. These correlations make study easy to explain the effect of the particular ion concentrations.
5. Conclusion
The outcomes that most of the water quality metrics were above acceptable ranges. The present research zone's total Water Quality Index score was higher, indicating poor water quality. In the region, 70% of the criteria were deemed dangerous, and at least 50% of the test findings were unsuccessful. In this area of Bhilwara districts, none can be deemed safe for the usage of groundwater. The goal of the "National Rural Drinking Water Program" will be to supply sustainable and safe drinking water. The coverage of habitations with poor quality is given top priority.
Abbreviations

TA

Total Alkalinity

TDS

Total Dissolve Solids

EC

Electric Conductivity

WQI

Water Quality Index

Acknowledgments
For supplying me with a map of the research region, I would especially like to thank Ms. Monika Jain from the geoinformatics department. You have my sincerest gratitude.
Author Contributions
Mahesh Kumar Singh: Methodology, Resources, Writing – original draft, Writing – review & editing
Pankaj Sen: Conceptualization, Supervision, Validation
Shweta Dadheech: Formal Analysis, Writing – review & editing
Rajeev Mehta: Supervision, Visualization
Preeti Mehta: Validation, Visualization
Conflicts of Interest
The authors declare no conflicts of interest.
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    Singh, M. K., Sen, P., Dadheech, S., Mehta, R., Mehta, P. (2025). The Analysis of Water Quality Index with Study of the Effect of Textile Effluents on the Groundwater of Bhilwara City. Modern Chemistry, 13(1), 1-8. https://doi.org/10.11648/j.mc.20251301.11

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    Singh, M. K.; Sen, P.; Dadheech, S.; Mehta, R.; Mehta, P. The Analysis of Water Quality Index with Study of the Effect of Textile Effluents on the Groundwater of Bhilwara City. Mod. Chem. 2025, 13(1), 1-8. doi: 10.11648/j.mc.20251301.11

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    AMA Style

    Singh MK, Sen P, Dadheech S, Mehta R, Mehta P. The Analysis of Water Quality Index with Study of the Effect of Textile Effluents on the Groundwater of Bhilwara City. Mod Chem. 2025;13(1):1-8. doi: 10.11648/j.mc.20251301.11

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  • @article{10.11648/j.mc.20251301.11,
      author = {Mahesh Kumar Singh and Pankaj Sen and Shweta Dadheech and Rajeev Mehta and Preeti Mehta},
      title = {The Analysis of Water Quality Index with Study of the Effect of Textile Effluents on the Groundwater of Bhilwara City
    },
      journal = {Modern Chemistry},
      volume = {13},
      number = {1},
      pages = {1-8},
      doi = {10.11648/j.mc.20251301.11},
      url = {https://doi.org/10.11648/j.mc.20251301.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.mc.20251301.11},
      abstract = {Contamination of water is a big concern that is now existing not just in India but also all around the world. In the city of Bhilwara, which is located in India, there is a lack of well-organized drainage and sewer infrastructure, as well as poor management of solid waste. The quality of the water is decreasing as a result of the discharge of these contaminants into the Banas River, which is located nearby, through a variety of different channels. Therefore, the purpose of this study is to evaluate the existing groundwater quality in Bhilwara city by utilizing hadrochemical, multivariate statistical, and Water Quality Index (WQI) status. According to the conclusions of the study, the amount of potable water that is available in this little community is gradually decreasing. The water quality index (WQI) of the source, which can range anywhere from 62 to 74, reveals that the quality of the groundwater is deteriorating on a daily basis. There should be a comprehensive management strategy that includes monitoring cells, according to the findings of this study, in order to protect the water environment in the Bhilwara region.
    },
     year = {2025}
    }
    

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  • TY  - JOUR
    T1  - The Analysis of Water Quality Index with Study of the Effect of Textile Effluents on the Groundwater of Bhilwara City
    
    AU  - Mahesh Kumar Singh
    AU  - Pankaj Sen
    AU  - Shweta Dadheech
    AU  - Rajeev Mehta
    AU  - Preeti Mehta
    Y1  - 2025/03/18
    PY  - 2025
    N1  - https://doi.org/10.11648/j.mc.20251301.11
    DO  - 10.11648/j.mc.20251301.11
    T2  - Modern Chemistry
    JF  - Modern Chemistry
    JO  - Modern Chemistry
    SP  - 1
    EP  - 8
    PB  - Science Publishing Group
    SN  - 2329-180X
    UR  - https://doi.org/10.11648/j.mc.20251301.11
    AB  - Contamination of water is a big concern that is now existing not just in India but also all around the world. In the city of Bhilwara, which is located in India, there is a lack of well-organized drainage and sewer infrastructure, as well as poor management of solid waste. The quality of the water is decreasing as a result of the discharge of these contaminants into the Banas River, which is located nearby, through a variety of different channels. Therefore, the purpose of this study is to evaluate the existing groundwater quality in Bhilwara city by utilizing hadrochemical, multivariate statistical, and Water Quality Index (WQI) status. According to the conclusions of the study, the amount of potable water that is available in this little community is gradually decreasing. The water quality index (WQI) of the source, which can range anywhere from 62 to 74, reveals that the quality of the groundwater is deteriorating on a daily basis. There should be a comprehensive management strategy that includes monitoring cells, according to the findings of this study, in order to protect the water environment in the Bhilwara region.
    
    VL  - 13
    IS  - 1
    ER  - 

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