1
Dharmayanti, I., Tjandrarini, D. H., Puspita, T., Zahra, Z., Anwar, A., Irianti, S., ... & Azhar, K. (2025). Household and environmental determinants of faecal contamination in groundwater-sourced drinking water: a path analysis study in urban and rural Indonesia in 2020. BMJ open, 15(12), e093176.
2
[2] Putri, G. L., Ilmi, A. M., Handayani, R., Iskandar, D., Priadi, C. R., Willetts, J., & Foster, T. (2025). On-site sanitation system and fecal contamination in shallow groundwater in urban Indonesia: assessing influence of distance and rainfall variables. Water Research, 124431.
3
[3] Daniel, D., Qaimamunazzala, H., Siantoro, A., Sirait, M., Tanaboleng, Y. B., & Padmawati, R. S. (2023). Household drinking water treatment in rural Indonesia: actual practice, determinants, and drinking water quality. Journal of Water, Sanitation and Hygiene for Development, 13(3), 208-217.
4
[4] Mills, F., Maysarah, S., Priadi, C. R., Willetts, J., Evans, B., & Foster, T. (2025). Risk factors for well contamination in urban Indonesia: evidence to inform siting of wells and sanitation systems. Journal of Water and Health, 23(12), 1415-1429.
5
[5] Muhammad, H. A., Albarzinji, I. M., Abdulrahman, S. O., & Abdullah, H. K. (2026). Influence of storage practices, container type, and handling on overall safety of household drinking water quality. Frontiers in Water, 8, 1794632.
6
[6] Niven, C. G., Clark, B., Floess, E., Chirwa, B., Matekenya, M., Budden, E., ... & Ercumen, A. (2026). Associations between Water Supply Interruptions and Water Use, Drinking Water Quality, Child Health, and Caregiver Stress in Peri-Urban Malawi. Environmental Science & Technology.
7
[7] Nasim, I., Nawaz, R., Farwa, A., Ahmad, S., Irshad, M. A., Al-Hussain, S. A., ... & Zaki, M. E. (2026). Water quality index and human health risk analysis in urban drinking water sources. Scientific Reports, 16(1), 12831.
8
[8] Hansen, P., Zahra, Z., Foster, T., Priadi, C., & Willetts, J. (2026). Associations between sanitary inspection risk factors and E. coli contamination in household groundwater sources. Journal of Water, Sanitation and Hygiene for Development, 16(1), 36-44.
9
[9] Ghosh, P., Aghababaei, M., Adhikari, J., Basu, A., Majumder, S., & Chatterjee, D. (2026). Hydrogeochemical and microbial risk assessment of arsenic-contaminated groundwater in Chakdah block, Nadia District, India. Discover Water.
10
[10] Fetrat, S., & Islam, S. (2024). Investigation of the physicochemical parameters of drinking water in Herat province and its comparison with World Health Organization standards. Discover Water, 4(1), 112.
11
[11] Abdul, S., Dwumfour-Asare, B., Mensah, G. T., & Owusu-Mensah, I. (2025). Risk assessment of hand-dug well water: a case study of Aflao in Ghana. Journal of Water, Sanitation and Hygiene for Development.
12
[12] Gnimadi, C. J. I., Gawou, K., Aboah, M., Owiredu, E. O., & Adusei-Gyamfi, J. (2024). Assessing the influence of hand-dug well features and management on water quality. Environmental Health Insights, 18, 11786302241249844.
13
[13] Genter, F., Putri, G. L., Handayani, R., Priadi, C., Willetts, J., & Foster, T. (2024). Evaluation of a participatory citizen approach to monitor microbial water quality of self-supply in urban Indonesia. Urban Water Journal, 21(3), 272-284.
14
[14] Daly, S. W., Foster, T., Willetts, J., Putri, G. L., Priadi, C., & Harris, A. R. (2024). Exposure Assessment of Antimicrobial Resistant E. coli via Self-Supplied Drinking Water in Indonesia: Evaluating Boiling and Storage Practice Effectiveness. ACS ES&T Water, 4(10), 4423-4432.
15
[15] Teikeu, W., Buhnyuy, V. E., Njeudjang, K., Assembe, S. P., Aretouyap, Z., & Nouck, P. N. (2024). Combining statistical analyses and GIS-based approach for modeling the sanitary boundary of drinking water wells in Yaoundé, Cameroon. Heliyon, 10(17).
16
[16] Yuan, W., Wang, Z., Zhang, T., Liu, Z., Ma, Y., Xiong, Y., & An, F. (2024). Assessment and prediction of groundwater vulnerability based on land use change—A case study of the central urban area of Zhengzhou. Water, 16(24), 3716.
17
[17] Jodhani, K. H., Gupta, N., Dadia, S., Patel, H., Patel, D., Jamjareegulgarn, P., ... & Rathnayake, U. (2025). Sustainable groundwater management through water quality index and geochemical insights in Valsad India. Scientific Reports, 15(1), 8769.
18
[18] Genter, F., Putri, G. L., Pratama, M. A., Priadi, C., Willetts, J., & Foster, T. (2022). Microbial contamination of groundwater self‐supply in urban Indonesia: assessment of sanitary and socio‐economic risk factors. Water Resources Research, 58(10), e2021WR031843.
19
[19] Priadi, C. R., Suleeman, E., Darmajanti, L., Putri, G. L., Genter, F., Foster, T., & Willetts, J. (2024). Policy and regulatory context for self-supplied drinking water services in two cities in Indonesia: Priorities for managing risks. Environmental Development, 49, 100940.
20
[20] Powers, J. E., Mureithi, M., Mboya, J., Campolo, J., Swarthout, J. M., Pajka, J., ... & Pickering, A. J. (2023). Effects of high temperature and heavy precipitation on drinking water quality and child hand contamination levels in rural Kenya. Environmental Science & Technology, 57(17), 6975-6988.
21
[21] Ribeiro, A. V., Oliveira, G. V., de C. Machado, M., Barrocas, P. R., & Oliveira, J. L. (2025). Water quality index and sanitary inspection as tools to assess water quality in supply systems. Water Resources Management, 39(9), 4261-4275.
22
[22] Herschan, J., Tsinda, A., Okurut, K., Malcolm, R., Lapworth, D. J., & Pond, K. (2023). Progress of using risk assessment to manage small drinking-water supplies in Rwanda: A preliminary study. Processes, 11(3), 748.
23
[23] F. Genter, J. Willetts, and T. Foster, “Faecal contamination of groundwater self-supply in low- and middle income countries: Systematic review and meta-analysis,” Water Res., vol. 201, p. 117350, Aug. 2021, doi: 10.1016/j.watres.2021.117350.
24
[24] Genter, F., Willetts, J., & Foster, T. (2021). Faecal contamination of groundwater self-supply in low-and middle income countries: Systematic review and meta-analysis. Water Research, 201, 117350.
25
[25] Ashillah, A. H., Zakianis, Z., Kusnoputranto, H., Fitratunnisa, E. P., Fauzia, S., Lestari, F., ... & Adiwibowo, A. (2025). Linking urban sustainability and water quality: spatial analysis of topographic, sociodemographic, and flood-related factors affecting well water in Jakarta (2017–2019). Sustainability, 17(8), 3373.
26
[26] Elshemy, M. (2025). Groundwater assessment utilizing GIS and water quality index, Al-Baha region, Saudi Arabia. Journal of Umm Al-Qura University for Engineering and Architecture, 1-17.
27
[27] Bagordo, F., Brigida, S., Grassi, T., Caputo, M. C., Apollonio, F., De Carlo, L., ... & De Giglio, O. (2024). Factors influencing microbial contamination of groundwater: A systematic review of field-scale studies. Microorganisms, 12(5), 913.
28
[28] Mbae, M., Hansen, P., Way, C., Mills, F., Willetts, J., Foster, T., & Evans, B. (2024). Onsite sanitation systems and contamination of groundwater: A systematic review of the evidence for risk using the source-pathway-receptor model. PLoS Water, 3(7), e0000167.
29
[29] Wulandari, R., Iswara, A. P., Qadafi, M., Prayogo, W., Astuti, R. D. P., Utami, R. R., ... & Andhikaputra, G. (2024). Water pollution and sanitation in Indonesia: a review on water quality, health and environmental impacts, management, and future challenges. Environmental Science and Pollution Research, 31(58), 65967-65992.
30
[30] Kurniasari, F., Wispriyono, B., Fauzia, S., Labibah, G., Firdaus, A. F., & Kato, M. (2026). Drinking Water Quality, Environmental Health Risk Assessment, and Household Perceptions of Preventive Capacity in the Ciliwung Watershed, Indonesia. Environmental Challenges, 101416.
31
[31] Benmarce, K., Zighmi, K., Hadji, R., Hamed, Y., Gentilucci, M., Barbieri, M., & Pambianchi, G. (2024). Integration of GIS and water-quality index for preliminary assessment of groundwater suitability for human consumption and irrigation in semi-arid region. Hydrology, 11(5), 71.
32
[32] Arain, G. M., Sattar, N., Khatoon, S., & Khan, N. A. (2026). Multivariate Assessment of Groundwater Hydrochemistry for Drinking and Irrigation in the Flood-Prone District Dadu, Sindh, Pakistan. ACS omega, 11(7), 11520-11542.
33
[33] Alarifi, S. S., Almakrami, A. A., & Abdelrahman, K. (2026). Groundwater quality assessment for sustainable water management in the Al-Hofuf area, eastern Saudi Arabia. Arabian Journal of Chemistry, 19.
34
[34] Valiallahi, J., & Yazdani, M. (2025). Evaluating groundwater quality by examining electrical conductivity, total dissolved solids, total hardness, and turbidity using geographic information systems (GIS®): A case study of selected wells in the Taleghan region, Iran. Applied Water Science, 15(3), 61.
35
[35] Nawaz, R., Nasim, I., Irfan, A., Islam, A., Naeem, A., Ghani, N., ... & Ullah, R. (2023). Water quality index and human health risk assessment of drinking water in selected urban areas of a mega city. Toxics, 11(7), 577.
36
[36] Ullengula, M., Dhakate, R., Rao, N. S., Suryabhagavan, K. V., More, S., Gugulothu, S., ... & Ratnalu, G. V. (2026). Temporal dynamics of groundwater quality and associated health risks in a semi arid region of South India. Discover Sustainability.
37
[37] Wali, S. U., Alias, N. B., Usman, A. A., Umar, A., Muhammad, N., Kaoje, I. U., ... & Ibrahim, S. A. (2025). Hydrochemical characterization and seasonal variability of shallow groundwater in the Sokoto basin northern Nigeria rock weathering as a dominant control factor. Discover Geoscience, 3(1), 122.
38
[38] Guagliardi, I., Perna, L., Caloiero, T., & Infusino, E. (2025). Hydrogeochemical assessment and spring water quality modelling along the Upper, Middle, and Lower Tyrrhenian Coast of the Calabria region, southern Italy. Environmental and Sustainability Indicators, 101079.
39
[39] Tumato, T., Gisha, H., & Beza, M. (2025). Appraisal of groundwater quality and its suitability for drinking purposes: the case of Damot Gale Woreda, Wolaita Zone, Ethiopia. Water Supply, 25(6), 1104-1124.
40
[40] Burlakoti, N., Paudyal, P., Tuladhar, P., Dhital, S., Bhatt, R. K., Burlakoti, N., & Adhikari, S. (2026). Evaluation of surface water and groundwater quality for drinking purposes using the water quality index: a case study of Kathmandu Valley, Nepal. Journal of Water, Sanitation and Hygiene for Development, 16(3), 176-187.
41
[41] Szewczyk, M., Tomczyk, P., & Wiatkowski, M. (2025). Assessment of Drinking Water Quality from the Dobromierz Reservoir During the Treatment Process: Collection, Distribution and Future Challenges. Water, 17(24), 3467.
42
[42] Gutiérrez-Capitán, M., Brull-Fontserè, M., & Jiménez-Jorquera, C. (2019). Organoleptic analysis of drinking water using an electronic tongue based on electrochemical microsensors. Sensors, 19(6), 1435.
43
[43] Mvongo, V. D., & Defo, C. (2025). Physicochemical and microbiological assessment of groundwater quality for drinking purposes in Ebolowa, Cameroon. Scientific African, e03034.
44
[44] Justin, S., Lihan, S., Mik, J., Grinang, J., Hou, K. K. W., Lazlus, L., ... & Alau, F. S. (2025). Land use and seasonal effects on water quality and faecal contamination in Batang Layar river, Sarawak, Malaysia. Discover Applied Sciences, 8(1), 6.
45
[45] Fira-Mladinescu, C., Margan, M. M., Margan, R., Ardelean, F., Sînmârghițan, A. I., Marincov, D., ... & Laitin, S. M. D. (2026). Meteorological Influence on Drinking Water Quality: Microbial Variability in Groundwater Wells and Piped Distribution Networks from Western Romania. Microorganisms, 14(1), 148.
46
[46] Custodio, M., De la Cruz, H., Huarcaya, J., & Huanay, Y. (2025). Tap water quality from surface and groundwater sources in rural and urban communities evaluated in contrasting climatic seasons and its implications for public health. Journal of Water and Health, 23(10), 1196-1214.
47
[47] Bekoe, E. M. O., Hayford, D., Quarcoo, G., & Yar, D. D. (2025). Groundwater microbial quality and risk evaluation in a rapidly transforming urbanized area of Northern Ghana. BMC Environmental Science, 2(1), 9.
48
[48] Dakša, G., & Kokina, K. (2025). Supplementing Tap Water Quality Monitoring Through Customer Feedback: A GIS-Centered Approach. Water, 17(21), 3103.
49
[49] Engidayehu, S. S., Abadefar, D. D., & Ararso, B. G. (2026). Temporal and spatial dynamics of drinking water quality in Injibara Town, Ethiopia. Water Science & Technology, wst2026193.
50
[50] Sunny, A. C., Sathian, K. K., & Alkan, Ç. (2026). Impact of water quality parameters on the CCME index: a case study of the Eloor Industrial Belt, Kerala, India. Water Supply, 26(5), 358-374.
51
[51] Bekele, R. S., & Teka, M. A. (2023). Physicochemical and microbial quality of drinking water in slum households of Hawassa City, Ethiopia. Applied Water Science, 13(1), 4.
52
[52] Ramos-Parra, Y. J., Díaz-Gómez, J., Suarez-Escobar, A., Sánchez–Quitian, Z. A., Suescún-Carrero, S. H., Zipa-Casas, N. Y., & Medina-Alfonso, M. (2025). Risk assessment of the drinking water supply and distribution system in rural areas in Boyacá-Colombia using water safety plans. Case Studies in Chemical and Environmental Engineering, 11, 101169.
53
[53] Sangroula, U., Viñas, V., Odhiambo, M., & Pettersson, T. J. (2026). Integrating machine learning and multi-criteria decision analysis for health risk management in water distribution networks. Scientific Reports.
54
[54] Sridhar, C. N., Subramani, T., Karunanidhi, D., & Berhe, B. A. (2026). GIS–entropy based appraisal of groundwater quality, health hazards, and irrigation potential in the Samalpatti–Sevathur carbonatite terrains, South India. Scientific Reports.
55
[55] Mohamed, A. A., Kannapiran, A., Suliman Badawi, A. M., & S, S. (2026). Geospatial analysis of surface water and groundwater quality using GIS in Ishaka subcounty, Bushenyi District, Uganda. Scientific Reports, 16(1), 11549.
56
[56] Hagagg, K., & Sirag, N. M. (2025). Appraisal of groundwater susceptibility to pollution using hybrid framework of stable isotopes and indexed approach. Scientific Reports.
57
[57] Ray, R., Das, S., Dutta, A., & Majumder, P. (2025). Spatial prioritisation for water quality in Ranibandh block, Bankura district using a multicriteria stochastic modelling approach. Discover Geoscience, 3(1), 116.
