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All Journal AJIE (Asian Journal of Innovation and Entrepreneurship) Jurnal Sains Dan Teknologi Lingkungan Jurnal Sains & Teknologi Lingkungan Jurnal Serambi Engineering Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences International Journal of Science and Society (IJSOC) Indonesian Journal of Limnology Indonesian Journal of Interdisciplinary Islamic Studies (IJIIS)
Widodo Brontowiyono
Program Studi Teknik Lingkungan, Universitas Islam Indonesia, Yogyakarta
Religion Arts Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Social Sciences

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Analisis Status Mutu Air Sungai Tambak Bayan, D.I. Yogyakarta Menggunakan Metode Storet dan Indeks Pencemar Rachmad Hernadi; Widodo Brontowiyono; Noviani Ima Wantoputri
Jurnal Serambi Engineering Vol 8, No 3 (2023): Juli 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i3.6452

Abstract

Status mutu air merupakan paramater penting yang perlu dianalisis untuk mengetahui kualitas air sungai. Hal tersebut berkaitan dengan kesesuaian peruntukan air sungai. Sungai Tambak Bayan merupakan salah satu sungai kelas II di Daerah Istimewa Yogyakarta yang melintasi kawasan perkotaan dan dimanfaatkan oleh masyarakat. Pada penelitian ini dilakukan analisis status mutu air sungai Tambak Bayan menggunakan dua metode yaitu Storet dan Indeks Pencemaran (IP) sesuai Keputusan Menteri Negara Lingkungan Hidup nomor 115 tahun 2003 tentang Pedoman Penentuan Status Mutu Air. Data kualitas air yang digunakan merupakan data sekunder yang diambil dari database Dinas Lingkungan Hidup dan Kehutanan (DLHK) D.I.Yogyakarta 2013-2020 dengan parameter total suspended solid (TSS), nitrat, nitrit dan total Coliform. Terdapat empat titik pemantauan yang digunakan. Hasil perhitungan status mutu menunjukkan status mutu air sungai Tambak Bayan dengan metode Storet yaitu tercemar berat dan metode IP  yaitu tercemar ringan.
Analisis Kualitas Air Tanah berdasarkan Parameter Mikrobiologi (Studi Kasus: Kapanewon Ngaglik, Yogyakarta) Annisa Nur Lathifah; David Sanjaya; Widodo Brontowiyono
Jurnal Serambi Engineering Vol 8, No 3 (2023): Juli 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i3.6464

Abstract

Yogyakarta, Indonesia, has various municipal wastewater treatment (IPAL) facilities; however, only 40% are operational. The study examines how IPAL affects groundwater quality and identifies its causes. Ngaglik, one of three province districts with the largest IPAL number and population density, is the research site. This study only measures microbiological groundwater quality based on Total coliforms and Eschericia coli, according to APHA 2017. Inverse distance weighing (IDW) maps microbiological groundwater quality. The results of the study showed that the observed area had Total Coliform values of 0–170 MPN/100 ml and Escherichia coli concentrations of 0–7. Eleven of the twelve test samples met Permenkes drinking water quality requirements No. 492/Menkes/Per/IV/2010 and PerGub DIY No. 20 of 2008. Seven E. coli concentration measurements exceeded drinkable water requirements. This study showed that E. coli bacteria may have infiltrated groundwater near the sample site. The incident was the first sign that Kapanewon Ngaglik Municipal IPAL was malfunctioning. This data should help assess and improve the effectiveness of the municipal IPAL at the study site and other local IPALs.
Hydrological Analysis for Water Resources Conservation in the Design of Bandungrejo Lake, Indonesia Brontowiyono, Widodo
Budapest International Research and Critics Institute-Journal (BIRCI-Journal) Vol 4, No 4 (2021): Budapest International Research and Critics Institute November
Publisher : Budapest International Research and Critics University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/birci.v4i4.3234

Abstract

An artificial lake design for water resource conservation requires a hydrological analysis that must be comprehensive and detailed to be successful.  . This study aims to analyze the maximum rainfall frequency, synthetic unit hydrographs (SUH), design rainfall hyetographs, adequate rainfall, design flood discharge, and lake conservation concepts. The Chi-Square and Kolmogorov-Smirnov tests were used to analyze the maximum rainfall frequency, and the Nakayasu method was used for the Synthetic Unit Hydrograph analysis. The Alternating Block Method (ABM) was employed to analyze the design rainfall hyetograph, and the φ index method was employed for the practical rainfall calculation. The design flood discharge was calculated based on the comparison between the rational method and unit hydrograph. The frequency analysis in average distribution results in 168.7 mm daily rainfall for a 10-year return period, 182.5 mm for a 20-year return period, and 198 mm for a 50-year return period. The Nakayasu analysis shows that the time to peak run-off is 0.56 hours or rounded up to the nearest hour (1st hour). The study of design rainfall hyetograph for a 50-year return period shows 109.0 mm maximum rainfall intensity at the 3rd hour. The adequate rainfall analysis results in 98.5 mm maximum effective rainfall at the 3rd hour. Meanwhile, the Nakayasu method for Synthetic Unit Hydrograph (SUH) obtains 16.68 m3/s design flood discharge for 50 years.
Estimation of Pesticide Concentrations from Agricultural Land in Cangkringan and Pakem Subdistricts on Runoff in the Upper Opak Watershed Andriana Eikintawarna; Suphia Rahmawati; Adam Rus Nugroho; Widodo Brontowiyono
Indonesian Journal of Limnology Vol. 5 No. 1 (2024): Indonesian Journal of Limnology
Publisher : Indonesian Society of Limnology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51264/inajl.v5i1.67

Abstract

Agricultural activities in the Opak Watershed, especially in the upper part located in Sleman Regency, require special attention because they have the potential to have a negative impact on river water quality. The use of pesticides on agricultural land contributes to polluting river water through rainwater runoff. Runoff containing residual organophosphate pesticide residues will reduce river water quality. In order to prevent pesticide pollution in the Upper Opak Watershed (UOW) in a sustainable manner, effective management is needed. However, the lack of information regarding estimates of pesticide concentrations in runoff in the UOW could hamper the management process. Therefore, it is crucial to estimate pesticide concentrations from agricultural land in the Cangkringan and Pakem Subdistricts contained in runoff in the UOW. Estimation of pesticide concentrations in runoff can be done by conducting hydrological modeling. The Soil Conservation Service-Curve Number (SCS-CN) model is the simplest compared to other models, but this model needs to be combined with the Predicted Environmental Concentrations (PEC) model to be able to estimate pesticide concentrations contained in runoff in the UOW. The research results show that the Cangkringan Subdistrict   is the larger contributor to the concentration of organophosphate pesticides in the runoff of the UOW. The runoff contains three types of active pesticide substances, with the highest concentration in the two subdistricts being the active substance Diazinon. Active pesticide substances from rice fields in Pakem Subdistrict did not contribute too much to the pesticide pollution on the UOW runoff. Most of the pesticide concentrations in the UOW runoff came from agricultural land.
ACTUALIZATION OF JAVANESE ECOCULTURE AND ISLAMIC ECOTHEOLOGY TOWARDS SUSTAINABLE DEVELOPMENT Brontowiyono, Widodo
Indonesian Journal of Interdisciplinary Islamic Studies (IJIIS) Vol. 3, No. 1, September 2019
Publisher : Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/ijiis.vol3.iss1.art4

Abstract

In line with development dynamics, environmental degradation continues and threatens development sustainability. The concept of sustainable development with economic, social, and environmental pillars requires actualization across aspects. Amongst the important aspects are culture and religion which is fundamentally inherent in every human being to drive behavior. The values of longstanding Javanese culture emphasize environmental conservation teachings, including Hamemayu Hayuning Bawono, Hamengku Buwono philosophy, Satriya attitude, and the forecasts saying kali ilang kedunge, pasar ilang kumandange, wong wadon ilang wirange, and wong lanang ilang kawibawane. Ecoculture actualization requires several strategies. First, the government policy should further consider environmental dynamics. Second, earth-related and environmental education should be intensified formally, informally, and non-formally. Third, the society should be informed and invited to actualize local wisdoms. Islamic values ​​should be further optimized as a fundamental strategy in environmental conservation. Islam views nature as Allah’s blessing, and the logical consequence is being grateful by continuously preserving it. Several important measures can promote ecological piety. First, Islamic education curriculum in boarding schools, madrasahs, Islamic forums, and formal schools should reinforce environmental theology and its applications. Second, religious organizations should facilitate intensive communication among stakeholders. Third, commitment is proven through tangible actions.
Co-Authors A.H. Malik A.H. Malik, A.H. Adam Rus Nugroho Andriana Eikintawarna Annisa Nurlathifah Any J., Any Any Juliani Any Juliani, Any David Sanjaya Dieter Prinz Dieter Prinz, Dieter Donan W., Donan Donan Wijaya Donan Wijaya, Donan Elita Nurfitriyani Sulistyo Evi O. Evi O., Evi Hamidin Hamidin Hamidin Mr., Hamidin Harsoyo harsoyo Ike A Ilya Fajar Maharika Joe Hamidin, Joe Kasam, Ir Nelly Marlina Noviani Ima Wantoputri Nurul Istiqomah Agustin R Lupiyanto, R R. Lupiyanto R. Lupiyanto, R. Rachmad Hernadi Ribut L Ribut L. Ribut L., Ribut Ribut Lupiyanto Ribut Lupiyanto, Ribut Rosida Chasna Siswoyo, Eko Suphia Rahmawati