1. The response of groundwater to multiple concerning drivers and its future: a study on Birbhum District, West Bengal, India

   • Niladri Das
   • Subhasish Sutradhar
   • Sadikul Islam

   Original Article Open access 19 April 2021 Article: 79

   

2. Evaluation of the performance of titanium and zirconium salts as coagulants in industrial wastewater treatment: pollutant removal, sludge production, and sludge characteristics

   • Ayla Uysal
   • Eda Boyacioglu

   Original Article Open access 19 April 2021 Article: 78

   

3. Annual, seasonal and monthly rainfall trend analysis in the Tafna watershed, Algeria

   • Afaf Bouklikha
   • Mohammed Habi
   • Saaed Hamoudi

   Original Article Open access 15 April 2021 Article: 77

   

4. Assessment of physico-chemical parameters and trace heavy metal elements from different sources of water in and around institutional campus of Lumami, Nagaland University, India

   • Maqbul Hussain
   • Latonglila Jamir
   • Maibam Romeo Singh

   Original Article Open access 11 April 2021 Article: 76

   

5. Potential interplay of Uranium with geochemical variables and mineral saturation states in groundwater

   • Thivya Chandrasekar
   • Chidambaram Sabarathinam
   • Dhanu Radha Samayamanthula

   Original Article Open access 11 April 2021 Article: 75

   

6. Assessment of the physicochemical qualities of groundwater and soils around oil-producing communities in Afam, area of Porthacourt, Niger Delta Nigeria

   • Ogbonnaya Igwe
   • Moses Ngwoke
   • Oyem E. Ubido

   Original Article Open access 10 April 2021 Article: 74

   

7. Impacts of wastewater discharge from Kalar city on Diyala-Sirwan river water quality, Iraq: pollution evaluation, health risks of heavy metals contamination

   • Hayder Mohammed Issa
   • Azad H. Alshatteri

   Original Article Open access 09 April 2021 Article: 73

   

8. Hydrogeochemical framework of groundwater within the Asutifi-North District of the Brong-Ahafo Region, Ghana

   • Collins K. Tay

   Original Article Open access 09 April 2021 Article: 72

   

9. Hydrochemical evaluation of river Ajali water for irrigational application in agricultural farmland

   • Hillary Onyeka Abugu
   • Pamela Favour Egwuonwu
   • Nwachukwu Romanus Ekere

   Original Article Open access 08 April 2021 Article: 71

   

10. Investigation of groundwater potential using integrated geophysical methods in Moloko-Asipa, Ogun State, Nigeria

    • A. A. Alabi
    • S. A. Ganiyu
    • O. I. Popoola

    Original Article Open access 08 April 2021 Article: 70

    

11. Characterization of multiple metal resistant Bacillus licheniformis and its potential use in arsenic contaminated industrial wastewater

    • Shahid Sher
    • Sikander Sultan
    • Abdul Rehman

    Original Article Open access 07 April 2021 Article: 69

    

12. The purification of wastewater on a small scale by using plants and sand filter

    • Geeta Saini
    • Shweta Kalra
    • Urminder Kaur

    Original Article Open access 07 April 2021 Article: 68

    

13. Hydrogeochemistry characteristics of groundwater and health risk assessment in Yalvaç–Gelendost basin (Turkey)

    • Ayşen Davraz
    • Burcu Batur

    Original Article Open access 05 April 2021 Article: 67

    

14. Chemical modification of betel nut husk prepared by sodium hydroxide for methylene blue adsorption

    • Tamanna Mamun Novera
    • Mumtahina Tabassum
    • Md. Atikul Islam

    Original Article Open access 04 April 2021 Article: 66

    

15. Kinetics and isotherm modeling of Pb(II) and Cd(II) sequestration from polluted water onto tropical ultisol obtained from Enugu Nigeria

    • Theresa C. Umeh
    • John K. Nduka
    • Kovo G. Akpomie

    Original Article Open access 03 April 2021 Article: 65

    

16. Impacts of groundwater over exploitation on the renewal and hydrodynamic behavior of the alluvial aquifer of Sidi Bel Abbes (Algerian NW)

    • Abdelkader Otmane
    • Kamila Baba-Hamed
    • Radia Gherissi

    Original Article Open access 25 March 2021 Article: 64