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All Journal Jurnal Ilmu Lingkungan AJIE (Asian Journal of Innovation and Entrepreneurship) Ruwa Jurai: Jurnal Kesehatan Lingkungan Dinamika Lingkungan Indonesia Jurnal Kesehatan dan Pengelolaan Lingkungan International Journal of Hydrological and Environmental for Sustainability Open Science and Technology INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY
Wacano, Dhandhun
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Economics, Econometrics & Finance Energy Environmental Science Health Professions Mechanical Engineering Public Health Social Sciences

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POPULATION AT RISK ESTIMATION DUE TO GROUNDWATER FLUORIDE POLLUTION IN THE FLUOROSIS ENDEMIC AREA OF ASEMBAGUS, EAST JAVA, INDONESIA Wacano, Dhandhun; Yoneda, Minoru
Jurnal Kesehatan dan Pengelolaan Lingkungan Vol. 5 No. 2 (2024)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/jkpl.v5i2.10870

Abstract

Groundwater is the world's primary source of drinking water. Unfortunately, we face the reality that access to safe drinking water is a worldwide issue nowadays. The presence of fluoride in groundwater is one of the causes of the fluorosis disease, which affects hundreds of millions of people around the world. Asembagus, an endemic area for fluorosis in Indonesia, requires updating its current risk status due to dynamically changing factors over time. Therefore, this research aims to estimate the probability of human health risk based on a population-at-risk calculation. Using an ion-selective electrode, we carefully tested 45 water samples from shallow groundwater in situ. The interpolation technique was used to determine the current potential risk zone and calculate the population at risk. The result showed that the fluoride concentration in the study area varied from 0.29 to 3.41 mg/L, with a mean of 1.22 mg/L. In Asembagus, the threat of skeletal fluorosis still affects 859 people (6.16%), and dental fluorosis affects 1,122 people (8.04%). Based on this study's findings, we concluded that the potential risk of non-carcinogenic fluorosis has significantly decreased since more than 20 years ago. This information is very useful for the government and public health authorities to further mitigate and protect people in the Asembagus area.
Analisis konsentrasi dan distribusi spasial logam berat dalam air tanah di sub DAS Galeh-torong, Jawa Tengah, Indonesia Wacano, Dhandhun; Febrianti, Nedhia; Ardhayanti , Lutfia Isna
Jurnal Kesehatan dan Pengelolaan Lingkungan Vol. 6 No. 1 (2025)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/jkpl.v6i1.12288

Abstract

Groundwater is the most desired natural resource to fulfill daily needs of humans in the world. The lake of Rawa Pening has undergone a decline in water quality due to both external and internal activities that pose a risk of pollution. Environmental pollution in the surrounding lake of Rawa Pening is not only indicated by the proliferation and expansion of water hyacinth plants but also from heavy metals. This study examined the concentration and spatial distribution of Cd, Cu, Pb, and Fe in the groundwater of Sub DAS Galeh-Torong, the western part of Rawa Pening, to better understand the threats in the Rawa Pening Lake circumstance. A total of 18 groundwater samples were collected and analyzed using atomic absorption spectrophotometry (AAS). Inverse distance weighted (IDW) was applied to reveal the spatial distribution combined with the standard threshold classification pattern. The result showed that the concentration of Cd, Pb, and Fe was exceeding the Indonesian standard for drinking water, while Cu did not. Further, the spatial distribution pattern revealed that the eastern part of the study area was consistently in high concentration for all of the metals. The location is flat in morphology and is associated with intensive human activities such as settlement areas, agriculture areas, and tourism areas. The impact of heavy metal exposure through drinking water should become a highlighted issue in the study area since the toxicity of heavy metals can have a lethal impact. The information of concentration and spatial distribution is crucial to the better management of water resource security and sustainability.
Pemetaan Lokasi Pembuangan Sampah Ilegal Menggunakan Sistem Informasi Geografis (SIG) di Tujuh Wilayah Kecamatan Kota Yogyakarta Widiatmoko, Alan; Putra, Hijrah Purnama; Wacano, Dhandhun
Dinamika Lingkungan Indonesia Vol 12, No 1 (2025)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/dli.12.1.p.10-15

Abstract

Population growth of Yogyakarta City is increasing due to birth and immigrant numbers coming from outside the region. This can affect the amount of waste generated as of garbage disposal must be sufficient to accommodate lots of wastes. The purpose of this research is to identify and mapping the point of ilegal dumping locations, analyze policy on waste management and factor the cause of the emergence ilegal dumping. This research is using census method which is direct research location using Garmin 60CSx type GPS device. Then mapped using the GIS software ArcMap 10.4.1. The research are located in seven districts in Yogyakarta City, there are Gondokusuman, Pakualaman, Danurejan, Gondomanan, Mergangsan, Umbulharjo and Kotagede Subdistricts. The results showed that found 33 locations of ilegal dumping in seven research areas. The three factors causing the emergence of ilegal dumping are geophysical, anthropogenic, and population density each have an influence on the emergence of ilegal dumping but not too significant. Based on analysis of the technical regulations for the implementation temporary garbage dumps, 33 ilegal dumping were found does not eligible technical requirements for the implementation of temporary garbage disposal, and the existing regional regulations are considered implemented properly because still many ilegal dumping are found
Spatial Temporal Analysis of Groundwater Fluoride Concentration and Its Implication to Human Health in Jakarta, Indonesia Wacano, Dhandhun; Yoneda, Minoru; Yushananta, Prayudhy
Ruwa Jurai: Jurnal Kesehatan Lingkungan Vol. 19 No. 1 (2025)
Publisher : Poltekkes Kemenkes Tanjung Karang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26630/rj.v19i1.4565

Abstract

Groundwater serves as the primary source of potable water globally, including in Indonesia. Unfortunately, the presence of fluoride concentrations in groundwater, whether in ideal, insufficient, or excessive quantities, can have either beneficial or detrimental effects. Presently, the inhabitants of Jakarta persist in relying on groundwater as their primary source of clean water, which presents an escalating peril to public well-being as a result of increased domestic activities. Regarding the situation, this research aims to analyze the temporal trends and spatial distribution of fluoride concentration in groundwater and its potential consequences for public health risks in Jakarta. A total of 1,418 fluoride and temperature data from the Jakarta Environmental Agency was used for spatial-temporal analysis of 2016–2019 trends. We applied Microsoft Excel 2021 and ArcGIS Pro 3.2 for statistical and spatial data analysis. The result indicated that the fluoride concentration in groundwater was 72.14% below the minimum recommended value of 0.5 mg/L, mostly in the southern part of Jakarta. However, the average fluoride concentration for all seasons per year is consistently increasing, specifically in the northern part of Jakarta. Based on this research's findings, we concluded that the deficiency of fluoride concentration in groundwater is the majority problem in Southern Jakarta and could potentially cause dental caries if the groundwater is used as the daily source of clean water. This information is very useful for the government and public health authorities to further mitigate and protect people in Jakarta who still rely on groundwater as the source of clean water.
Blue Carbon Potential of Salt Marshes in Kulon Progo for Climate Change Mitigation in Indonesia: english Mustofa, Ikrom; Wacano, Dhandhun; Setyawan, Bagus Dwi; Faradis, Irsyad; Nabil, Hilbram; Khaidar, Muhammad Al; Minnen, Tjalf van
Asian Journal of Innovation and Entrepreneurship Volume 09, Issue 02, May 2025
Publisher : UII

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/ajie.vol9.iss2.art1

Abstract

Salt marshes along the coast of Kulon Progo in Yogyakarta can act as blue carbon storage facilities to achieve the climate change mitigation goals outlined in Indonesia’s Nationally Determined Contributions (NDC) for 2030. Three villages in Temon District became the location of this research: Glagah, Palihan, and Jangkaran Villages. A mixed-methods approach was employed in this research, encompassing direct field observation, soil and vegetation analysis in their capacity as carbon storage, and interviews with individuals in the 3 villages. The results of the analysis showed that there was a small amount of carbon content in various locations in the 3 villages. Mangroves and pine trees, particularly those growing around swamps, play a significant role in carbon absorption. However, this study revealed a decrease in the potential of salt marsh land due to changes in land use to Yogyakarta International Airport (YIA) and the surrounding city planning. As a result, carbon storage capacity is reduced, and carbon emissions from land that has changed function are higher. The study also sees the importance of strengthening government policies and regulations and increasing community participation in salt marsh conservation through village-based programs such as the Climate Village Program (PROKLIM) and Resilient Coastal Village. The study concludes that through salt marsh conservation, the potential for blue carbon becomes more significant, which also requires collaboration between stakeholders.
A COMPREHENSIVE ASSESSMENT OF SEPTAGE MANAGEMENT IN BANTUL, YOGYAKARTA Asmara, Adelia Anju; Rahmawati, Suphia; Yulianto, Andik; Abay, Margita Rahayu; Arlina, Dilla; Wacano, Dhandhun
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 4, NUMBER 2, APRIL 2021
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v4i2.7624

Abstract

Aim: This study aims to assess the entire process of septage management comprising regulation, operational procedures, finance, community involvement, and water quality analysis to maximize the initial and hugest human fecal sludge treatment called Faecal Sludge Treatment Plant (IPLT) in Yogyakarta. Methodology and Results: The Modified EHRA (Environmental Health Risk Assessment) method was applied which focused only on wastewater treatment aspect. Several regulations including standard quality methods (SNI) were utilized and made a comparison between baseline rules and obtained results. Furthermore, quality assessment was accomplished by observation and interview. The results showed that the human sector needs to improve not only the amount of operators but also urgently put up protective personal equipment during the suction process. The dissemination of attractive information about sludge suction service done by PUPKP as a representation of the local government among the dwellers ought to upgrade a lot. Technologies employed which are carriage transportation and vacuum machine, are good enough. Contrarily, septage treatment plants require extra-effort to enhance it as most water quality parameters barely meet the standard quality. BOD, COD, ammonia, total coliform, oil and grease do not meet the third class of water quality (Government Regulation of Republic of Indonesia No. 82/2001). Subsequently, the effectiveness of each unit i.e. anaerobic tank and stabilization ponds are under 50% and the loading rate has a maximum capacity of 87.5m3/day, and 60m3/day minimum capacity. Conclusion, significance and impact of study: Therefore, almost all aspects of septage management in Bantul Yogyakarta are required to improve
Scenario-Based Assessment of Indonesia’s Blue Carbon Systems under Restoration and Engineering-Integrated Pathways Mustofa, Ikrom; Islami, Nur Indah; Darmawan, Ibnu; Azril, Muh; Puspitasari, Rifcha Ayu Dian; Wacano, Dhandhun
Open Science and Technology Vol. 5 No. 2 (2025): Open Science and Technology
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33292/ost.v5i2.168

Abstract

Aims: This study assesses the future potential of Indonesia’s blue carbon ecosystems from an environmental and climate engineering perspective, focusing on mangroves, seagrass beds, and saltmarshes.Methods: Using a desk-based mixed-methods approach, it synthesizes secondary data from global and national sources to compare three development trajectories: Business as Usual, restoration-driven, and engineering-integrated pathways. Rather than relying on spatial modeling or site-specific measurements, the analysis applies an engineering-oriented synthesis that links published ecosystem extent and carbon metrics with documented coastal engineering and restoration cases to infer comparative future carbon performance and resilience.Result: The findings indicate that blue carbon systems can deliver substantially greater and more durable climate benefits when ecological conservation is combined with engineered–nature interventions such as hybrid infrastructure, sediment enhancement, and green coastal buffers. These approaches not only enhance long-term carbon sequestration but also strengthen shoreline protection, biodiversity, and coastal livelihoods. The study identifies persistent gaps in policy integration, financing, and coastal design standards that limit implementation and proposes strategic recommendations for embedding engineering-enhanced blue carbon solutions into Indonesia’s climate policies, including Nationally Determined Contributions, and coastal development planning.Conclusion: Overall, the paper demonstrates the feasibility and relevance of integrating environmental engineering into blue carbon strategies to support climate-resilient coastal development in Indonesia.
Production and Characterization of Bioethanol from Tobacco Stalks via Acid Hydrolysis and Fermentation Irfan, Akhmad; Muslihat, Adi; Sunaryo; Jumini , Sri; Mustofa, Ikrom; Wacano, Dhandhun; Raju; Machmud, Amir; Palupi, Endah Kinarya
International Journal of Hydrological and Environmental for Sustainability Vol. 5 No. 1 (2026): International Journal of Hydrological and Environmental for Sustainability
Publisher : CV FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/ijhes.v5i1.1030

Abstract

The increasing demand for energy and the environmental impacts of fossil fuel consumption have encouraged the development of renewable and sustainable energy sources. Bioethanol derived from lignocellulosic biomass represents a promising alternative fuel due to its renewability and reduced competition with food resources. This study investigates the potential of tobacco stalks, an underutilized agricultural residue, as a feedstock for bioethanol production through acid hydrolysis and fermentation processes. Dried tobacco stalks were hydrolyzed using 1 M sulfuric acid at 110 °C for 3 h to produce fermentable sugars, followed by batch fermentation using Saccharomyces cerevisiae with variations in yeast concentration and fermentation time. The fermentation products were purified by simple distillation and characterized using refractometry, density measurement, GC–MS, and bomb calorimetry. The hydrolysis process yielded a sugar concentration of 7.6%. Refractometric analysis indicated ethanol concentrations in the range of 64–68% (v/v), while density measurements suggested lower effective ethanol purity due to residual water and non-ethanol components. GC–MS analysis confirmed ethanol as the dominant compound, with relative contents ranging from approximately 52% to 73%, accompanied by acetic acid and minor volatile by-products. The calorific value of the produced bioethanol ranged from 4,825 to 4,983 kcal/kg and increased with fermentation time. The results demonstrate that tobacco stalks have considerable potential as a lignocellulosic feedstock for bioethanol production, although further process optimization is required to enhance ethanol purity and overall conversion efficiency.
Analisis Konsentrasi, Distribusi dan Potensi Sumber Logam Berat Pada Air Permukaan dan Air Tanah di Pesisir Parangtritis Yogyakarta Wacano, Dhandhun
Jurnal Ilmu Lingkungan Vol 23, No 6 (2025): November 2025
Publisher : School of Postgraduate Studies, Diponegoro Univer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jil.23.6.%p

Abstract

Penggunaan air tanah sebagai sumber utama air bersih dan air minum menyebabkan permasalahan sumber daya air di seluruh pesisir dunia. Di Indonesia, kawasan Pesisir Parangtritis merupakan destinasi wisata populer yang juga memanfaatkan air tanah sebagai sumber air bersih dan dan air minum. Meskipun kuantitas air tanah di Parangtritis masih aman, permasalahan kualitas air tanah menjadi isu yang saat ini penting untuk dikaji. Logam berat merupakan salah satu unsur berbahaya yang dapat mencemari air tanah di Parangtritis. Penelitian ini bertujuan untuk menganalisis konsentrasi, pola sebaran, dan potensi sumber logam berat di wilayah Parangtritis. Pengumpulan sebanyak 34 lokasi sampel serta analisis laboratorium untuk menentukan konsentrasi logam Pb, Cd, Cr, dan Cu merupakan pendekatan utama dalam penelitian ini. Sebanyak 17 sampel air permukaan dan 17 sampel air tanah dianalisis menggunakan Spektrofotometri Serapan Atom. Selain itu, wawancara terhadap 34 responden juga menjadi data tambahan dalam analisis dampak konsentrasi logam berat terhadap lingkungan dan kesehatan masyarakat. Hasil penelitian menunjukkan bahwa logam Cd secara signifikan melebihi standar air minum Indonesia pada hampir semua sampel, sedangkan Cr dan Cu menunjukkan konsentrasi yang rendah pada hampir semua lokasi sampel. Analisis pola sebaran juga mengindikasikan penggunaan lahan pertanian pada bagian utara-tengah berasosiasi dengan tingginya konsentrasi Cd dan Pb. Atas dasar tersebut, aktivitas pertanian menjadi salah satu faktor potensial yang berkontribusi terhadap tingginya konsentrasi Pb dan Cd di lokasi penelitian.  Namun demikian, karena analisis potensi sumber dalam penelitian ini masih bersifat kualitatif, analisis kuantitatif terhadap sumber dan mekanisme terjadinya Pb dan Cd pada air permukaan dan air tanah sangat penting dilakukan pada penelitian yang akan datang. Langkah ini penting sebagai upaya awal mengedukasi dan melindungi masyarakat dari pencemaran Pb dan Cd di kawasan Parangtritis yang notabene masih minim sekali informasi dan pengetahuan tentang pencemaran logam berat pada sumber air bersih mereka.
Co-Authors Abay, Margita Rahayu Adelia Anju Asmara Amir Machmud, Amir Andik Yulianto Ardhayanti , Lutfia Isna Arlina, Dilla Azril, Muh Faradis, Irsyad Febrianti, Nedhia Hijrah Purnama Putra Ibnu Darmawan Irfan, Akhmad Islami, Nur Indah Jumini , Sri Khaidar, Muhammad Al Minnen, Tjalf van Muslihat, Adi Mustofa, Ikrom Nabil, Hilbram Palupi, Endah Kinarya Prayudhy Yushananta Puspitasari, Rifcha Ayu Dian Rahmawati, Suphia Raju Setyawan, Bagus Dwi Sunaryo Widiatmoko, Alan Yoneda, Minoru