Water Quality Assessment of Former Tin Mining Lakes for Recreational Purposes in Ipoh City, Perak, Malaysia

Hashim, Mohmadisa; Nayan, Nasir; Saleh, Yazid; Mahat, Hanifah; Shiang, Wee Fhei

doi:10.22146/ijg.15665

Cited by 11 publications

(10 citation statements)

References 4 publications

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“…A body of water's total oxygen content (DO) is measured, and it is usually correlated with the river currents' velocity at a given moment [21]. The purer the water, the higher the DO value.…”

Section: Dissolved Oxygen (Do)mentioning

confidence: 99%

The Assessment of Freshwater Quality in the Sungai Semantan Based on the Malaysian‘s Index of Freshwater Quality

Hashim,

Zunaidi,

Nayan

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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Sungai Semantan is important for fish aquaculture industry in Malaysia. Therefore, the aimed of this article is to assess the index of freshwater quality (WQI) of the Sungai Semantan, Pahang during the rainy season (February to April 2018). The Sungai Semantan WQI was monitored at three stations by assessing six freshwater quality parameters, i.e., DO, BOD, COD, NH3-N, pH, and TSS. The Semantan River’s WQI was assessed using the Malaysian Department of Environment’s WQI classification. The results showed that three freshwater quality parameters, namely DO (6.32 mg/l), COD (46.8 mg/l), and TSS (104.4 mg/l), exceeded the standard at certain stations and classified as Class IV. However, on average, all parameters showed Classes I to III for all stations, and WQI indicated the Semantan River was slightly polluted (WQI 78.2), and classified as Class II. Changes in land use in the Temerloh district for agricultural and urbanisation have exacerbated the Semantan River’s WQI. Contradict to perception that the aquaculture is the main source of freshwater pollution for the Semantan River. Consequently, the Semantan River’s WQI must be monitored regularly, as the river is critical not only for domestic freshwater supply but also for freshwater fish aquaculture and ecotourism.

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Section: Dissolved Oxygen (Do)mentioning

confidence: 99%

The Assessment of Freshwater Quality in the Sungai Semantan Based on the Malaysian‘s Index of Freshwater Quality

Hashim,

Zunaidi,

Nayan

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

View full text Add to dashboard Cite

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“…The DO is a term that refers to the total amount of oxygen contained in a body of water, such as a river, at any given time and is typically proportional to the river's current velocity [23]. This parameter indicates the current level of water in the reservoir and the requirements of aquatic living ecosystems.…”

Section: Dissolved Oxygen (Do)mentioning

confidence: 99%

Water quality during the rainy seasons and drought seasons in the Garang River Basin (Semarang, Indonesia)

Hashim

Setyowati

Suroso

et al. 2022

IOP Conf. Ser.: Earth Environ. Sci.

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The Garang River is the city of Semarang’s primary source of water, particularly for drinking water and other domestic needs. This research attempts to examine the current water quality status of the Garang River Basin by using the Malaysian Water Quality Index (WQI). Six water quality parameters were selected and analysed; DO, BOD, pH COD, NH3-N and TSS. Water sampling was conducted at eight stations based on the Governor Regulation of Central Java No. 156 (2010) on Water Allocation and Water Quality Management of Garang River. Water quality was sampled twice, once during the rainy season (2 January 2020) and once during the drought season (1 September 2020). The findings of the study showed that the water quality status of the Garang River Basin during the rainy season recorded a WQI value of 81 and 92 during the drought season. Both values belong to Class II, which represents clean waters. Three water quality parameters were identified to have exceeded the set standards: the DO, BOD, and NH3-N. Changes in landuse, particularly the clearance of forest areas for agriculture, plantation activities, domestic waste disposal, and wastewater directly from industrial activity and local inhabitants, have all contributed to the Garang River Basin’s deterioration of water quality. However, in the context of water classes, it is shown that the water of the Garang River is suitable to be used as a domestic water supply for local residents but requires further treatment prior to consumption.

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“…Proses urbanisasi ini pula akan memberi pelbagai implikasi terhadap perubahan alam sekitar. Pelbagai masalah yang dikaitkan dengan impak pembangunan terutamanya perubahan kualiti air (Alsharif & Fouad, 2012;Dokulil, 2014;Mohmadisa et al, 2018;Saragi et al, 2020). Pencemaran ini telah memberi kesan kepada masyarakat kerana mengakibatkan masalah gangguan air bersih, jangkitan penyakit dan gangguan terhadap aktiviti-aktiviti ekonomi yang dijalankan penduduk.…”

Section: Pengenalanunclassified

Kualiti air tasik dan kesesuaiannya terhadap aktiviti rekreasi berasaskan air di Tasik Embayu, Tanjong Malim, Perak

et al. 2022

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Artikel ini bertujuan untuk mengenal pasti status kualiti air Tasik Embayu di Bandar Proton, Tanjong Malim Perak dan menilai kesesuaiannya terhadap aktiviti berasaskan air. Penilaian status kualiti air melibatkan pengukuran enam parameter utama iaitu DO, BOD, COD, SS, pH dan NH3N pada tujuh buah stesen pensampelan air yang telah ditetapkan. Kesemua parameter ini dibandingkan dengan Standard Kualiti Air Kebangsaan (NWQS) dan Indeks Kualiti Air (IKA) oleh Jabatan Alam Sekitar (JAS) Malaysia untuk menilai tahap dan status kualiti air Tasik Embayu. Pensampelan air dijalankan sebanyak tiga kali iaitu pada bulan Mac, April dan Mei 2018. Metod kajian ini adalah melalui tinjauan, pensampelan air tasik dan ujian di dalam makmal untuk mendapatkan status kualiti air tasik yang diperlukan. Hasil kajian mendapati bahawa nilai keseluruhan IKA Tasik Embayu sepanjan tempoh cerapan ialah 76.53%. Pada bulan Mac, nilai IKA yang direkodkan adalah 74.99%, diikuti bulan April (76.91%) dan Mei (77.69%) dan nilai ini menunjukkan kualiti air Tasik Embayu berada pada Kelas II. Sementara itu, parameter kualiti air yang menunjukkan berlakunya pencemaran air di Tasik Embayu adalah parameter SS (Kelas III) dan COD (Kelas IV). Parameter yang lain mencatatkan nilai di bawah standard yang membolehkan sebarang aktiviti rekreasi berasaskan air dijalankan di tasik ini. Pencemaran air Tasik Embayu adalah disebabkan dengan bahan-bahan pencemar daripada sisa domestik dan sisa restoran yang dialirkan secara langsung ke dalam tasik. Manakala aktiviti pembersihan ladang kelapa sawit yang dilakukan tidak jauh dari tasik serta pembukaan tanah untuk kawasan perumahan baru turut meningkatkan SS terutama pada waktu hujan. Walaupun hasil kajian menunjukkan kualiti air Tasik Embayu berada pada tahap sederhana tercemar, namun ia masih lagi sesuai untuk menjalankan aktiviti berasaskan air seperti berkayak, memancing serta beriadah di sekitar tasik berkenaan.

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Water Quality Assessment of Former Tin Mining Lakes for Recreational Purposes in Ipoh City, Perak, Malaysia

Cited by 11 publications

References 4 publications

The Assessment of Freshwater Quality in the Sungai Semantan Based on the Malaysian‘s Index of Freshwater Quality

The Assessment of Freshwater Quality in the Sungai Semantan Based on the Malaysian‘s Index of Freshwater Quality

Water quality during the rainy seasons and drought seasons in the Garang River Basin (Semarang, Indonesia)

Kualiti air tasik dan kesesuaiannya terhadap aktiviti rekreasi berasaskan air di Tasik Embayu, Tanjong Malim, Perak

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