Abstract
This research about water quality testing on unconventional mining land in Merawang District,Bangka Regency to be used as a water source for fulfilling daily needs for the surroundingcommunity.Sampling is done by purposive sampling by taking into account the considerationof the condition and state of the landscape from the research area. The sample points weretaken as many as 2 samples with different conditions where sample 1 was obtained from thewater under the results of the dominant tin mine tailings in the form of sandstone and claystones and sample 2 from the water under the results of tin mine tailings in the form of kaolin.The taking distance from the two samples is close to about 5 Km. From the results of fielddata collection and laboratory analysis, the pH value in sample 1 was 5.71 and sample 2 was5.57, TSS had a value in sample 1 of 7 mg / L and sample 2 of 8 mg / L, while the TDS valuein sample 1 was 92 mg / L and sample 2 was 8 mg / L. Whereas from laboratory analysis ofdissolved metals obtained values in sample-1 and sample-2 in the form of copper (Cu) havethe same value of 0.0153 and lead (Zn) 0.0531 while sample-2 value of lead dissolved metal(Zn) is 0, 0977. From the chemical and physical parameters and analysis of dissolved metalsif based on the Minister of Health Regulation No. 416 ,1990 about Water QualityRequirements and Supervision and Government Regulation No. 82, 2001 aboutManagement of Water Quality and Water Pollution Control is still classified under the qualitybook and is determined by the value of the Pollution Index based (IPj) on the Decree of theMinister of Environment Number 115,2003 about Guidelines for Determining the Status ofWater Quality. This method is used to determine the level of pollution relative to permittedwater quality parameters. The results obtained indicate that the water quality in the twosamples is categorized as inappropriate (light polluted) as a drinking water qualityrequirement because it has a pollution index value for designation (IPj ) sample-1 was 2.15and sample-2 was 1.86.
Highlights
Bangka Regency to be used as a water source for fulfilling daily needs
The sample points were taken as many as 2 samples with different conditions where sample 1 was obtained from the water
The taking distance from the two samples is close to about 5 Km
Summary
No.416/MENKES/PER/IX/1990 yaitu nilai baku mutu TDS sebesar 1000 mg/L dan TSS sebesar 50mg/L, maka hal ini menunjukkan nilai TDS dan TSS pada kedua sampel dalam kondisi kualias baik karena standar baku mutu air masih dibawah nilai kadar maksimal yang diperbolehkan. Perbandingan Nilai pH dari sampel-1 dan sampel-2 terhadap data lapangan dengan hasil analisis laboratorium. Hasil penelitian terhadap kualitas air pada kedua lokasi menunjukkan air pada kolong tidak berbau. TDS (Padatan terlarut total) merupakan jumlah padatan terlarut yang terdiri dari senyawa organik dan anorganik yang terlarut di dalam air yang dapat diendapkan dalam waktu tertentu. Nilai TDS pada sampel-1 sebesar 92 mg/L dan sampel-2 sebesar 8 mg/L. Perbedaan nilai TDS yang sangat tinggi sebesar 84mg/L menunjukkan bahwasannya selisih nilai TDS yang tinggi mengidentifikasi perbedaan padatan yang terlarut disusun oleh
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