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Determination of Water Quality Status of Telaga Menjer Wonosobo, Indonesia: An Official Tool for Evaluating the Best Function of Water
 
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1
Post Graduate of Department of Environmental Science, Unsoed, Jenderal Soedirman University, Purwokerto, Indonesia
2
Department of Environmental Biology, Biologi Faculty Unsoed, Jenderal Soedirman University, Purwokerto, Indonesia
CORRESPONDING AUTHOR
Agatha Sih Piranti   

Department of Environmental Biology, Biologi Faculty Unsoed, Jenderal Soedirman University, Purwokerto, Indonesia
Publication date: 2022-03-01
 
J. Ecol. Eng. 2022; 23(3):59–67
 
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ABSTRACT
Human activities may cause degradation of water quality. For monitoring purpose, it is necessary to know the level of pollution that occurs in a water in order to sustain the function of the aquatic ecosystem. The purpose of this study was to determine the level of water pollution of Menjer Wonosobo Lake based on physical, chemical, and biological parameters to be used to evaluate the best function of the water to support the human activities. The study was conducted for three months (July to September 2020). Water sampling was carried out at 7 (seven) stations, then the measurement results were compared with water quality standards based on Government Regulation No. 22 of 2021. Determination of water quality were using the STORET method. The results showed that there were 7 parameters that exceeded the water quality standards of TSS, BOD, COD, DO, N, P and Coliform. The status of water quality was at a moderately polluted level and only functions for needs according to category 3, whose designation be used for freshwater fish cultivation, for irrigating plants, and or other purposes needed for that. Therefore, it was necessary to manage the menjer Lake to improve its water quality.