Jatiluhur Reservoir Water Quality Analysis at Various Depths

Wardhani, Eka; Sugiarti, Zulfah Ananda

doi:10.14710/presipitasi.v18i3.400-411

Cited by 3 publications

(5 citation statements)

References 15 publications

(30 reference statements)

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“…The high nitrogen and phosphorus values in Cibabat Lake are caused by domestic, agricultural, and plantation wastes found around the lake and then enter through runoff and erosion into the water bodies. (Wardhani & Sugiarti, 2021).…”

Section: Trophic Statusmentioning

confidence: 99%

Determination of Quality and Trophic Status of Cibabat Lake, Cimahi City

2023

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In Cimahi City, the river water is heavily polluted, and well water is not suitable for drinking water, so to anticipate the lack of clean water, the Environmental Service is planning to revitalize one of the ponds, namely the Cibabat Lake. This study’s purpose is to determine the reservoir’s condition based on water quality and trophic status. The method used for calculating water quality status is the Pollutant Index, which refers to the Decree of the Minister of Environment Number 115 of 2003 with results is 8,450, and will be 8,751 in 2022, with the water quality classified status as moderately polluted. Meanwhile, the method to assess trophic status uses the Carlson Trophic State Index (TSI) method by taking air samples for the parameters Total Nitrogen, Total Phosphate, Chlorophyll-a, and brightness which is included in the hypereutrophic category. The Cibabat Reservoir has been polluted by domestic waste based on the calculation of the potential pollutant load such as BOD, COD, TSS, Total Phosphate and Total Nitrogen in the border area is 2,219,600; 3,051,950; 2,108,620; 11,623; and 108,206 kg/day, respectively. DTA area is 1,886.660: 2,594.158; 1,792.327; 9,905; 91.975 kg/day, respectively. This is influenced by the increasing population each year.

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Section: Trophic Statusmentioning

confidence: 99%

Determination of Quality and Trophic Status of Cibabat Lake, Cimahi City

2023

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“…Penelitian mengenai penentuan kualitas air telah banyak dilakukan di beberapa daerah di Indonesia seperti analisis kualitas air di Sungai Cikapundung [2] dan Sungai Cibabat Cimahi yang sudah mengalami cemar berat sehingga upaya pengelolaan yang disarankan yaitu perencanaan sistem pengolahan air limbah domestik [4]. Adapula penelitian yang dilakukan terhadap Sungai Cibaligo [5], Sungai Cibeureum [6], Sungai Cimahi [7], Bendungan Jatiluhur [8], serta di lima embung di Kota Cimahi [9,10]. Berdasarkan hasil penelitian sebelumnya, dapat disimpulkan bahwa kualitas air di badan air khususnya yang berada di Provinsi Jawa Barat telah tercemar dan diperlukan upaya pengelolaan untuk menanggulanginya.…”

Section: Pendahuluanunclassified

“…Langkah awal untuk merencanakan perbaikan kualitas air yaitu dengan mengetahui asal mula sumber pencemar. Bila konsentrasi BOD5 dan COD telah cukup tinggi dan melebihi baku mutu, maka sudah dapat diduga ada indikasi pencemaran bahan organik [8]. Sumber bahan organik berdasarkan hasil pengamatan di lokasi penelitian berasal dari limbah domestik, limbah pertanian, dan humus dari hutan yang terdapat di daerah tangkapan air.…”

Section: Hasil Dan Pembahasanunclassified

Perbandingan Mutu Air di Bendungan yang Berada di Provinsi Jawa Timur

Wardhani,

Irmansyah,

Oktaviani

et al. 2023

JSE

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A dam is a body of water that is relied upon in raw water supply. Many dams have deteriorated due to human activities in their catchment areas. East Java Province Government is currently trying to improve the function of the dam as a water reserve in the dry season. This study aims to compare water quality in nine dams located in East Java Province. The Telaga Pasir and Gonggang Dams are in Magetan Regency. The Notopuro, Saradan, Kedung Brubus, and Dawuhan dams are in Madiun Regency. Kedung Bendo, Pondok, and Sangiran dams are in Ngawi Regency. The method for determining water quality is based on KepMenLH No 115/2003 concerning guidelines for determining water quality status. Water sampling was carried out on January 24 to February 7, 2022, representing the dry season by grab sampling. Water samples were taken from the part of the dam with a pool of water. The results showed that the water quality of all dams was categorized as good to slightly polluted, with index values ranging from 0.80 to 3.10. The cause of water quality being lightly polluted is the BOD, COD, Free Chlorine, Arsenic, Cadmium, Copper, Ammonia, and Nitrite, which do not meet quality standards. The presence of these parameters is predicted to originate from the activities of residents around the catchment area, such as settlements and agriculture.

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“…Kadar total phospat yang diperbolehkan berada di air yaitu sebesar 0,01 mg/L, berdasarkan hasil pengukuran, kadar phospat pada tahun 2021 sebesar 0,03 mg/L dan tahun 2022 sebesar 0,545 mg/L (Gambar 5). Berdasarkan hasil pengamatan, tingginya kadar total phospat disebabkan oleh pupuk tanaman karena di sekitar embung merupakan lahan pertanian dan perkebunan, karena di daerah pedesaan sumber utama tingginya kadar phospat bersumber dari aktivitas pertanian yang menggunakan pupuk dalam jumlah besar [31].…”

Section: Hasil Dan Pembahasanunclassified

“…Total Phospat Kandungan total phospat yang terkandung dalam embung yaitu 144 µg/L, hal tersebut berkaitan dengan status trofik embung. Sumber dari tingginya kadar total phospat dalam perairan diduga berasal dari limbah domestik terutama detergen, pertanian dan perkebunan yang terdapat disekitar embung lalu masuk ke badan air karena phospat memiliki sifat mudah larut dalam air [31]. Berdasarkan Tabel 5, besarnya pemukiman di sekitar embung bertambah 13,22 Ha sehingga limbah domestik yang masuk ke dalam embung semakin bertambah.…”

Section: Total Nitrogenunclassified

Penentuan Status Mutu Air Dan Status Trofik Embung Ciseupan Kota Cimahi

Wardhani

Apsari²

2023

JSE

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The Cimahi City has experienced a decrease in the quality of raw water caused by flooding in several places, especially during the rainy season, therefore it is necessary to anticipate this by constructing infiltration wells, ponds, or lakes. Cimahi City has 5 lakes, one of which is the Ciseupan Lake. This lake can be one of the options for raw water sources in Cimahi City. Based on this, it is necessary to identify the water quality and trophic status of the lake so that it can be utilized optimally by local residents. This research aims to describe the status of water quality and trophic status of the Ciseupan Lake by analyzing the parameters of pollutant sources. The method for determining the status of water quality is the Pollution Index based on Decree of the Ministry of Environment Number 115 of 2002 concerning “Pedoman Penentuan Status Mutu Air”. Quality status can be determined according to the pollutant index classification, the greater the value, then the worse the water quality. The method for determining trophic status uses the UNEP-ILEC method. Based on the results of calculating the water quality status, the pollutant index value at the Ciseupan Embung in 2021 is 9.5 while in 2022 it is 8.9 which according to Minister of Environment Decree Number 115 of 2003, in both years the water quality status of the lake was included in the moderately polluted category. The trophic status of the Ciseupan Lake is classified as hypertrophic, this indicates that the lake water has been heavily polluted by nutrients.

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Jatiluhur Reservoir Water Quality Analysis at Various Depths

Cited by 3 publications

References 15 publications

Determination of Quality and Trophic Status of Cibabat Lake, Cimahi City

Determination of Quality and Trophic Status of Cibabat Lake, Cimahi City

Perbandingan Mutu Air di Bendungan yang Berada di Provinsi Jawa Timur

Penentuan Status Mutu Air Dan Status Trofik Embung Ciseupan Kota Cimahi

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