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Abstract
This study aims to analyze the impact of hospital wastewater utilization on groundwater quality using secondary data and Modflow visual modeling. This model is used to visualize the spread of contaminants from the effluent of the Wastewater Treatment Plant (IPAL) of Hospital X into the soil, as well as to measure the concentration of wastewater parameters such as TSS, COD, oils and fats, BOD, ammonia, residual chlorine, and fecal coliform at various distances from the source point. The modeling results show that all wastewater parameters meet the established quality standards, with a significant reduction in concentration along the spread distance. The TSS concentration almost reaches 0 (0.01 mg/L) at a distance of 115 meters from the source, while the concentrations of COD, oils and fats, and BOD decrease to 0.25 mg/L, 0.01 mg/L, and 0.02 mg/L at the same distance, respectively. Additionally, ammonia and residual chlorine concentrations are almost undetectable at 115 meters, while fecal coliform also decreases to 0 MPN/100 mL. Based on these results, the utilization of hospital wastewater with the new IPAL system is expected not to have a negative impact on groundwater quality within a certain radius, as the concentration of wastewater parameters continues to decrease with increasing distance from the source.
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Copyright (c) 2025 Andi Muhammad Faisal, Awaluddin Nurmiyanto, Maura Anggit

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References
- Anderson, M. P., Woessner, W. W., & Hunt, R. J. (2015). Applied groundwater modeling: Simulation of flow and advective transport (2nd ed.). Academic Press.
- Banciu, A. R., Pascu, L. F., Rădulescu, D. M., Stoica, C., Gheorghe, S., Lucaciu, I., Ciobotaru, F. V., Novac, L., Manea, C., & Nita-Lazar, M. (2024). The COVID-19 pandemic impact of hospital wastewater on aquatic systems in Bucharest. Water, 16(2), 245. https://doi.org/10.3390/w16020245
- Drocelle, N., Mupenzi, C., & Nsanzumukiza, M. V. (2023). Impact of hospital wastewater on the rivers’ quality: Case of Byumba hospital. International Journal of Climate Research, 7(1), 1–8. https://doi.org/10.18488/112.v7i1.3355Conscientia Beam
- Fatimazahra, S., Mouhir, L., Saafadi, L., & Khazraji, M. (2023). Review of hospital effluents: Special emphasis on characterization, impact, and treatment of pollutants and antibiotic resistance. Environmental Monitoring and Assessment, 195(3), Article 393. https://doi.org/10.1007/s10661-023-11002-5PubMed Central
- Gafil, Z. M., Al-Tameemi, H., & Obaid, A. (2022). Treatment of hospital wastewater by potassium ferrate. Mağallaẗ Al-Qādisiyyaẗ Li-l-ʻulūm al-Handasiyyaẗ, 15(2), 136–141.
- Gholami-Borujeni, F., Zahedi, A., & Sheikhi, M. (2019). Evaluation of hospital treated wastewater on seed germination and plant growth indices. Journal of Health Research, 5(1), 49–59.
- IWA Publishing. (2022). Groundwater contamination by hospital effluent with a focus on carbamazepine and sulfamethoxazole. In IWA Publishing eBooks (pp. 101–132).
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- Luo, M. (2022). Re-use of treated wastewater for irrigation and groundwater recharge: Environmental impact assessment based on tracer method at the experimental site in Kinrooi, Belgium.
- Morsy, S. M. (2023). Planning for groundwater management using visual MODFLOW model and multi-criteria decision analysis, West–West Minya, Egypt. Applied Water Science, 13, 72. https://doi.org/10.1007/s13201-023-01881-xSpringerLink
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- Pourdara, H., Zeyni, M., & Falah, J. (2004). Using hospital wastewater effluent for irrigation of green fields. Journal Name, 15(149), 43–49.
- Ramírez-Coronel, A. A., Mohammadi, M. J., Majdi, H. Sh., Zabibah, R., Taherian, M., Prasetio, D. B., Gabr, G. A., Asban, P., Kiani, A., & Sarkohaki, S. (2023). Hospital wastewater treatment methods and its impact on human health and environments. Reviews on Environmental Health.
- Somay, M. A., Elçi, A., & Gonçalves, W. T. (2023). A groundwater flow modeling application for the impact assessment of treated wastewater reuse by managed aquifer recharge.
- Tahershamsi, A., Feizi, A., & Molaei, S. (2018). Modeling groundwater surface by MODFLOW math code and geostatistical method. Civil Engineering Journal, 4(4), 812.
- Torres, H. (2020). Assessing groundwater contamination risk and detection of unknown sources using a multi-component reactive transport model. Journal of Geoscience and Environment Protection, 8, 1–15.
- Xie, W., Ren, B., Hursthouse, A. S., Wang, Z., & Luo, X. (2020). Simulation of manganese transport in groundwater using Visual MODFLOW: A case study from Xiangtan manganese ore area in central China. Polish Journal of Environmental Studies, 30(1), 1–10.
References
Anderson, M. P., Woessner, W. W., & Hunt, R. J. (2015). Applied groundwater modeling: Simulation of flow and advective transport (2nd ed.). Academic Press.
Banciu, A. R., Pascu, L. F., Rădulescu, D. M., Stoica, C., Gheorghe, S., Lucaciu, I., Ciobotaru, F. V., Novac, L., Manea, C., & Nita-Lazar, M. (2024). The COVID-19 pandemic impact of hospital wastewater on aquatic systems in Bucharest. Water, 16(2), 245. https://doi.org/10.3390/w16020245
Drocelle, N., Mupenzi, C., & Nsanzumukiza, M. V. (2023). Impact of hospital wastewater on the rivers’ quality: Case of Byumba hospital. International Journal of Climate Research, 7(1), 1–8. https://doi.org/10.18488/112.v7i1.3355Conscientia Beam
Fatimazahra, S., Mouhir, L., Saafadi, L., & Khazraji, M. (2023). Review of hospital effluents: Special emphasis on characterization, impact, and treatment of pollutants and antibiotic resistance. Environmental Monitoring and Assessment, 195(3), Article 393. https://doi.org/10.1007/s10661-023-11002-5PubMed Central
Gafil, Z. M., Al-Tameemi, H., & Obaid, A. (2022). Treatment of hospital wastewater by potassium ferrate. Mağallaẗ Al-Qādisiyyaẗ Li-l-ʻulūm al-Handasiyyaẗ, 15(2), 136–141.
Gholami-Borujeni, F., Zahedi, A., & Sheikhi, M. (2019). Evaluation of hospital treated wastewater on seed germination and plant growth indices. Journal of Health Research, 5(1), 49–59.
IWA Publishing. (2022). Groundwater contamination by hospital effluent with a focus on carbamazepine and sulfamethoxazole. In IWA Publishing eBooks (pp. 101–132).
Khan, M. T., Ahmad, R., Liu, G., Zhang, L., Santagata, R., Lega, M., & Casazza, M. (2024). Potential environmental impacts of a hospital wastewater treatment plant in a developing country. Sustainability, 16(6), 2233. https://doi.org/10.3390/su16062233MDPI
Khan, M. T., Shah, I. A., Ihsanullah, I., Naushad, M., Ali, S., Shah, S. H. A., & Mohammad, A. W. (2021). Hospital wastewater as a source of environmental contamination: An overview of management practices, environmental risks, and treatment processes. Journal of Water Process Engineering, 41, 101990. https://doi.org/10.1016/j.jwpe.2021.101990
Liu, W., Park, S., Bailey, R. T., Molina-Navarro, E., Andersen, H. E., Thodsen, H., Nielsen, A. L., Jeppesen, E., Jensen, J. S., Jensen, J. B., & Trolle, D. (2019). Comparing SWAT with SWAT-MODFLOW hydrological simulations when assessing the impacts of groundwater abstractions for irrigation and drinking water. Hydrology and Earth System Sciences Discussions, 1–51.
Luo, M. (2022). Re-use of treated wastewater for irrigation and groundwater recharge: Environmental impact assessment based on tracer method at the experimental site in Kinrooi, Belgium.
Morsy, S. M. (2023). Planning for groundwater management using visual MODFLOW model and multi-criteria decision analysis, West–West Minya, Egypt. Applied Water Science, 13, 72. https://doi.org/10.1007/s13201-023-01881-xSpringerLink
Perez-Bou, L., Rosa-Masegosa, A., Vilchez-Vargas, R., Link, A., Gonzalez-Martinez, A., González-López, J., & Muñoz-Palazon, B. (2024). Treatment of hospital wastewater using aerobic granular sludge technology: Removal performance and microbial dynamics. Journal of Water Process Engineering.
Pourdara, H., Zeyni, M., & Falah, J. (2004). Using hospital wastewater effluent for irrigation of green fields. Journal Name, 15(149), 43–49.
Ramírez-Coronel, A. A., Mohammadi, M. J., Majdi, H. Sh., Zabibah, R., Taherian, M., Prasetio, D. B., Gabr, G. A., Asban, P., Kiani, A., & Sarkohaki, S. (2023). Hospital wastewater treatment methods and its impact on human health and environments. Reviews on Environmental Health.
Somay, M. A., Elçi, A., & Gonçalves, W. T. (2023). A groundwater flow modeling application for the impact assessment of treated wastewater reuse by managed aquifer recharge.
Tahershamsi, A., Feizi, A., & Molaei, S. (2018). Modeling groundwater surface by MODFLOW math code and geostatistical method. Civil Engineering Journal, 4(4), 812.
Torres, H. (2020). Assessing groundwater contamination risk and detection of unknown sources using a multi-component reactive transport model. Journal of Geoscience and Environment Protection, 8, 1–15.
Xie, W., Ren, B., Hursthouse, A. S., Wang, Z., & Luo, X. (2020). Simulation of manganese transport in groundwater using Visual MODFLOW: A case study from Xiangtan manganese ore area in central China. Polish Journal of Environmental Studies, 30(1), 1–10.