JURNAL TEKNOLOGI LINGKUNGAN
Vol. 20 No. 1 (2019)

Kajian Kualitas Air Tanah dan Sungai pada Kawasan Rawan Banjir di Kabupaten Serang Kaitannya dengan Penyediaan Air Bersih

Naryanto, Heru Sri (Unknown)
Prihartanto, Prihartanto (Unknown)
Ganesha, Deliyanti (Unknown)



Article Info

Publish Date
31 Jan 2019

Abstract

ABSTRACTSerang District is one of the flood-prone areas, that about 20 subdistricts were affected by the flood in Serang District. Problems of clean water necessity occurred in the flood area, especially water quality in both of surface water and groundwater. To know the condition of clean water in Serang District, it is necessary to study the quality of water both surface water and groundwater in the flood-prone areas. The study was conducted by water sampling and in-situ water quality measurements at 28 open-pit points used by communities and river bodies in the potential flood in 2012-2015. In-situ physical water quality measurements are performed during sampling of well water and river water using multiparameter quality checker equipment. Water quality parameters that were measured in-situ are total dissolved solids (TDS) and turbidity. Laboratory tests of water samples were performed for suspended solids (TSS), Ammonium (NH3-N), Iron (Fe), Manganese (Mn) and total hardness parameters. The standard method of water quality analysis of these parameters is carried out using Indonesian National Standard SNI 06-6989.3-2004 water and wastewater. Turbidity tends to increase towards the downstream of the river indicating additional sediment material is transported downstream. The high total suspended solids in the river, especially in Kragilan, is caused by the waste from high domestic, commercial, and industrial activities in the area. Generally, groundwater and surface water in the flood areas at the study sites still largely indicate that quality is still feasible for consumption by the community, except for high Fe and Mn content and NH3-N in some wells due to the influence of surface water entering groundwater.Keywords: Serang district, water quality, flood areas, water supply ABSTRAKKabupaten Serang termasuk wilayah yang rawan banjir, dari 29 kecamatan yang ada sekitar 20 kecamatan pernah terkena dampak banjir. Permasalahan kebutuhan air bersih terjadi pada kawasan banjir tersebut, terutama kualitas air baik air permukaan maupun airtanah. Untuk mengetahui secara rinci kondisi air bersih di kabupaten Serang, maka perlu dilakukan kajian kualitas air baik air permukaan maupun airtanah pada kawasan rawan banjir tersebut. Kajian dilakukan dengan pengambilan sampel air dan pengukuran in-situ kualitas air pada 28 titik sumur terbuka yang digunakan oleh masyarakat dan badan air sungai pada wilayah potensial genangan banjir tahun 2012-2015. Pengukuran kualitas air fisik secara in-situ dilakukan pada saat pengambilan sampel air sumur dan air sungai dengan menggunakan peralatan multiparameter quality checker, adalah: zat padat terlarut (total dissolved solids/TDS) dan turbiditas/kekeruhan. Sedangkan pemeriksaan laboratorium terhadap sampel air dilakukan untuk parameter zat padat tersuspensi (total suspended solid/TSS), Amonia bebas NH3-N), Besi (Fe), Mangan (Mn) dan kesadahan total. Metode standard analisis kualitas air terhadap parameter-parameter tersebut dilaksanakan menggunakan Standard Nasional Indonesia SNI 06-6989.3-2004 air dan air limbah. Kekeruhan cenderung meningkat ke arah hilir sungai menunjukkan adanya tambahan material sedimen tertransport pada bagian hilir. Tingginya zat padat tersuspensi pada sungai khususnya di Kragilan akibat dampak limbah dari aktivitas domestik, komersial dan industri yang tinggi di daerah tersebut. Secara umum airtanah dan air permukaan pada daerah banjir di lokasi penelitian sebagian besar masih menunjukkan kualitas yang masih layak untuk dikonsumsi oleh masyarakat, kecuali kandungan Fe dan Mn yang tinggi serta NH3-N pada beberapa sumur penduduk akibat pengaruh air permukaan termasuk air banjir masuk ke dalam airtanah.Kata kunci: Kabupaten Serang, kualitas air, kawasan banjir, penyediaan air bersih

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Journal Info

Abbrev

JTL

Publisher

Subject

Environmental Science

Description

Jurnal Teknologi Lingkungan (JTL) is a journal aims to be a peer-reviewed platform and an authoritative source of information. JTL is published twice annually and provide scientific publication for researchers, engineers, practitioners, academicians, and observers in the field related to science and ...