Upstream Citarum river water status based on periphyton saprobic index

Abstract

The research aims to determine the status of the waters in the Citarum River section upstream by using the periphyton saprobic index as bio-indicators of water. This research was conducted from 13 August 2020 - 25 November 2020. The method of research using the method of survey and collection of samples is done by purposive sampling, a method of retrieval of data tailored to the needs of research. This research was conducted at 4 stations with 6 replications every 7 days. The results showed that during the research in the Citarum River there were 24 genera of periphyton communities divided into 4 classes, namely Cyanophyceae, Bacillariophyceae, Chlorophyceae, and Euglenophyceae. The periphyton saprobic index values ranged from 0,69 to 1,00. It indicates that the status of the Citarum River part of the upstream experience level of contamination mild by category β - Mesosaprobic and the range of indices by 0,5-1,0.