Abstract
The quality of river water is strongly related to human activities in it. Changesin the condition of water quality in the river flow are the effects of the dischargefrom existing land use. One of them is sand mining activities along the SerayuRiver, especially around Tumiyang, Kebasen, Banyumas Regency. Activitiesfrom sand mining will cause a decrease in river water quality. From this activity,it is necessary to study the status of water quality using the STORET method todetermine the quality of river water so that the river can be utilized in accordancewith the applicable designation.The STORET method is one method for determining water quality data withwater quality standards in accordance with the appointment of Minister ofEnvironment Decree No.115 2003. This research is a quantitative descriptivestudy to determine the water quality of the Serayu river in the sand of miningareas precisely in Banyumas Regency. The parameters measured in this studywere measurements of Total Disolved Solid (TDS), temperature, pH, andElectrical Conductivity. Determining the location of taking water using apurposive sampling method.Based on the results of data analysis using the Storet method and refers to thequality standards of Government Regulation No.20 of 1990 Group D. Waterquality in Serayu River has a total score of 9 after sand mining. This shows thequality status of the lightly polluted Serayu river (-1 to -10). But still in class Band the river water quality level is still in good condition. There are temperatureparameters that exceed the threshold of 25 - 32oC, but the TDS, DHL and pHparameters are still within the threshold of designation in Group D.
Highlights
The quality of river water is strongly related to human activities in it
The parameters measured in this study were measurements of Total Disolved Solid (TDS), temperature, pH, and Electrical Conductivity
Departemen Manajemen SumberDaya Perairan, Fakultas Perikanan dan Ilmu Kelautan, Institut Pertanian Bogor
Summary
Kualitas air adalah sifat air dan kandungan makhluk hidup, zat energi atau komponen lain di dalam air. Berbagai aktivitas manusia dalam memenuhi kebutuhan hidupnya yang berasal dari kegiatan industri, rumah tangga dan pertanian akan menghasilkan limbah yang memberi sumbangan pada penurunan kualitas air sungai Dari aktivitas penambangan pasir tersebut perlu dikaji mengenai status mutu air menggunakan metode STORET untuk mengetahui kualitas air sungai sehingga sungai dapat dimanfaatkan sesuai peruntukkan yang berlaku. Metode STORET merupakan salah satu metode untuk menentukan data kualitas air dengan baku mutu air sesuai dengan peruntukkannya Penelitian ini bertujuan untuk mengetahui kualitas air sungai Serayu dengan adanya aktivitas penambangan pasir di daerah Kabupaten Banyumas dan Cilacap khususnya. Hasil perhitungan dari metode STORET tersebut dibandingkan dengan baku mutu air sesuai dengan peruntukkannya dalam Peraturan Pemerintah RI No 20 Tahun 1990 tentang pengendalian pencemaran air
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