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Hery Setyobudiarso

Institut Teknologi Nasional Malang

Author-ID : 378077

Aerospace Engineering Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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Exploration of Physics-Chemical Quality Lahor Reservoir of Malang District, Indonesia Hery Setyobudiarso; Endro Yuwono
JOURNAL OF SCIENCE AND APPLIED ENGINEERING Vol 1, No 2 (2018): JSAE
Publisher : Widyagama University of Malang

Lahor Reservoir was built and functioned as a water provider for agricultural activities, flood control, electricity generation, tourism activities and inland fisheries. This reservoir is one of the inflows of the Sutami reservoir which is the largest reservoir in East Java. This Lahor Reservoir is drained by three rivers, namely the Lahor River, Leso River and the Dewi River, which flows through housing and paddy fields, allowing the entry of organic and inorganic materials from various activities around the rivers and reservoirs. The aim of the study was to assess the physico-chemical parameters of the Lahor reservoir during the dry season. This research was conducted between March and April 2018. Water quality analysis was carried out in the Laboratory of Environmental Engineering Department of ITN Malang. The study was conducted by survey method and sampling method. Measurement of physical and chemical parameters of the waters was determined at 4 stations and each station consisted of 5 sampling points with different depths. Data analysis using descriptive statistics (mean, graph). The assessment of the temperature in the waters of the Lahor Dam ranged from a value of 24-28o C, turbidity with a value of 0.4 NTU, DO values from surface to base increased significantly with values of 29.1 mg / L, 33.9 mg / L and 34.3 mg / L and still meet the minimum water requirements for aquaculture. The high BOD value at the Lahor reservoir outlet is influenced by the accumulation of organic substances from several inlets and dam waters. Phosphate values are higher along with water depth and Fecal Coli ranges from 1-2 MPN / 100 mL at all sampling points. In general, the Lahor reservoir water still meets the quality standards for class I waters.

ANALYSIS OF BIODIVERSITY AND QUALITY OF METRO RIVER IN MALANG CITY (PLANKTON AND BENTOS BIOINDICATOR STUDY) Hery Setyobudiarso; Endro yuwono
JOURNAL OF SCIENCE AND APPLIED ENGINEERING Vol 1, No 1 (2018): JSAE
Publisher : Widyagama University of Malang

Metro River is a river that passes through Malang City and empties into Karangkates Dam. The increasing number of residents of Malang City resulted in more volume of waste water produced, and one of them is dumped on the Metro River. This affects the increasing pollution load received by the river so that it affects the decreasing of tamping capacity of river pollution load. Changes in water quality in rivers lead to changes in macrozoobenthic community composition. Therefore, it is necessary to monitor the quality status of Metro River by using macrozoobentos animals. The purpose of this research is to make the classification of Metro River based on macrozoobentos animal community in determining the water quality status of Metro River based on macrozoobentos and the classification of pollution level that happened. The research method is field observation, water quality measurement of Metro river and macrozoobentos sampling. The results showed that the distribution of macroinvetebrata in the Site of group of Banana Temple was from Gastropoda family, Leptophlebiidae, Chloroperliidae, and Baetidae on rocks with fast current velocity (1.02 m3 / s), 17-27 ° C, BOD level 3.7 mg / l, and COD content of 20.8 mg / l. While on the Site of group Merjosari, Karang Besuki, Bandulan and Sitirejo were found macrozoobentos from Chironomidae, Hydrop sychidae and Lumbri cullidae families, on the substrate of mud and sand, with slow flow rate (0.0052 - 0.0675 m3 / s), BOD 21, 8 - 45.7 mg / l, and COD content 107.8 -267.2 mg / l. The status of upper Brantas river waters determined by using the BMWP Index of the Pisang Candi, Merjosari, Karang Besuki, Bandulan and Sitirejo groups has medium gray water status with ASPT values ranging from 4 to 6.2. Keywords: macrozoobentos, Water Quality Status of River, BOD, COD

Co-Authors Anis Artiyani Annur Ma’ruf Candra Dwiratna Wulandari Candra Dwiratna Wulandari Debby Debby Endro Yuwono Endro Yuwono Endro Yuwono Gaguk Sukowiyono Hadi Surya Wibawanto Sunarwadi Hirijanto I Kadek Suardana Adi Putra Kustamar Lies K. Wulandari Lies K. Wulandari Lies Kurniawati Wulandari Maria Mustika Ningrum Sudiro Sudiro Suryo Tri Harjanto Vitha Rachmawati

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