Potential of Domestic Wastewater as Irrigation Water Supply in Highly Populated and Water Crisis Area

Jurnal Irigasi

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Title Potential of Domestic Wastewater as Irrigation Water Supply in Highly Populated and Water Crisis Area
Potensi Air Limbah Domestik Sebagai Pasokan Air Irigasi pada Daerah Padat Penduduk dan Krisis Air
 
Creator Sutriati, Armaita
Ginting, Nana Terangna
 
Subject water deficit; domestic wastewater; reuse; irrigation; sustainable agriculture
defisit air; air limbah domestik; guna ulang; irigasi; pertanian berkelanjutan
 
Description Indonesia is the country most vulnerable to food security in the face of water deficit. Java and Bali have a deficit of irrigation water since 2003. Assessment of the potential of domestic wastewater for irrigation water supply intended for alternative sources of raw water to overcome water shortage in densely populated areas are like in Java and Bali. Assessment using the method of analysis of primary and secondary data obtained from the literature. The results of the study demonstrate the potential quantity of domestic waste water in 2020 an average of about 228.12 m3/sec in Indonesia, while in Java around 132.38 m3/sec and in Bali about 3.94 m3/sec. Potential nutrients in domestic wastewater in 2020 in P. Java: Nitrogen approximately 208,740 tons / year, equivalent to 386,556 tons of urea / year; Phosphorus tons / year, equivalent to 41,748 TSP 115,967 tons / year, and Potassium 83,496 tons / year or KCl equivalent to 185,547 tons / year. The benefits of implementing policies reuse of domestic wastewater for irrigation is an effort to support sustainable agriculture as well as to supply the raw water continuously during water deficit, as well as a source of nutrients to substitute fertilizer needs. Use of domestic wastewater for irrigation can also improve soil structure and reduce the pollution load entering the water. In practice, some farmers around the Domestic Wastewater Treatment Plant in Bojongsoang and Perumnas in Cirebon have received the benefits of using domestic wastewater for irrigation, especially in the dry season. The level of difficulty of obtaining water is an important factor for the success of the re-use of domestic waste water for irrigation.
Indonesia merupakan negara yang paling rentan ketahanan pangannya dalam menghadapi defisit air. P.Jawa dan Bali telah mengalami defisit air irgasi sejak tahun 2003. Pengkajian potensi air limbah domestik untuk pasokan air irigasi dimaksudkan untuk alternatif sumber air baku dalam mengatasi defisit air di daerah padat penduduk seperi di P. Jawa dan Bali. Pengkajian menggunakan metoda analisis data primer dan sekunder yang diperoleh dari berbagai literatur. Hasil pengkajian menunjukkan potensi kuantitas air limbah domestik tahun 2020 rata-rata di Indonesia sekitar 228,12 m3/detik, sementara di P. Jawa sekitar 132,38 m3/detik dan di P. Bali sekitar 3,94m3/detik. Potensi nutrisi dalam air limbah domestik tahun 2020 di P. Jawa: Nitrogen sekitar 208.740 ton/ tahun atau setara dengan Urea 386.556 ton/tahun; Fosfor ton/tahun 41.748 atau setara dengan TSP 115.967 ton/tahun; dan Kalium 83.496 ton/tahun atau setara dengan KCl 185.547 ton/tahun. Manfaat dari penerapan kebijakan penggunaan ulang air limbah domestik untuk irigasi merupakan upaya mendukung pertanian yang berkelanjutan karena disamping dapat memasok air baku secara berkesinambungan pada saat defisit air, dapat pula sebagai sumber nutrisi untuk mensubtitusi kebutuhan pupuk. Penggunaan air limbah domestik untuk irigasi dapat pula memperbaiki struktur tanah dan mengurangi beban pencemaran yang masuk ke sumber air. Secara praktis, beberapa petani di sekitar Instalasi Pengolahan Air Limbah Domestik di Bojongsoang dan Perumnas di Cirebon telah menerima manfaat penggunaan air limbah domestik untuk irigasi terutama pada musim kemarau. Besarnya tingkat kesulitan memperoleh air merupakan faktor penting untuk keberhasilan pemanfaatan ulang air limbah untuk irigasi.
 
Publisher Balai Penelitian dan Pengembangan Irigasi
 
Contributor

 
Date 2019-02-13
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion


 
Format application/pdf
 
Identifier http://jurnalirigasi_pusair.pu.go.id/index.php/jurnal_irigasi/article/view/250
10.31028/ji.v7.i2.87-98
 
Source Jurnal Irigasi; Vol 7, No 2 (2012): Jurnal Irigasi; 87-98
Jurnal Irigasi; Vol 7, No 2 (2012): Jurnal Irigasi; 87-98
2615-4277
1907-5545
 
Language ind
 
Relation http://jurnalirigasi_pusair.pu.go.id/index.php/jurnal_irigasi/article/view/250/312
 
Rights Hak Cipta (c) 2012 Jurnal Irigasi
 

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