• yusmidiarti yusmidiarti Poltekkes Kemenkes Bengkulu


Digging well is a source of clean water that is widely used by the community. Unfortunately, it has a very high risk of pollution which affects the quality of clean water. Some parameters that exceed NAB include turbidity, TDS, and color intensity. In general, clean water treatment is carried out conventionally, namely by the process of coagulation, flocculation, sedimentation, and filtration. In the process, the type of coagulant plays an essential role in reducing turbidity, Total Dissolved Solids (TDS) and Total Suspended Solid (TSS). In addition to chemical coagulants, natural coagulants in the surrounding environment can be used as coagulants, one of them is sea water. The purpose of this study was to determine the differences in the decrease in turbidity, color, and TDS by using sea water as a coagulant in the coagulation-flocculation process of dug well water with variations in doses of 1%, 2%, 3%, and 4% of dug water volume "This research was conducted at the Bengkulu Health Ministry Health Environment Workshop, then the sample results of the study were sent to the BLH laboratory in Bengkulu City to examine turbidity, TDS and color intensity. The type of research used was experimental (True Experimental) design with Pretest-Posttest Design. The sample in this study was dug well in Rawa Makmur, Bengkulu city. The results showed that the average turbidity, TDS and color of the drilled well water before treatment were 6.44 NTU; 70.90 mg / l, 5.95 PtCo after the administration of seawater coagulants with different doses decreased by 1.09 NTU; 45.25 mg / l and 2.20 PtCo. Then the data was processed by MANCOVA test (multivariate ANOVA) to determine the most effective coagulant dose in reducing turbidity and TDS levels. This study concludes that the coagulant dose which is useful in reducing turbidity and TDS levels of dug well water is a dose of 3%. Suggestions for the community can use seawater as a coagulant to reduce turbidity and TDS parameters of dug well water by adding one glass (size 240 ml) of seawater mixed into one bucket (size 8 ltr) of dug well water.

How to Cite
YUSMIDIARTI, yusmidiarti. THE EFFECT OF SEA WATER AS COAGULANT OF WELL WATER IN REDUCTION OF TURNANCE, COLOR, TDS. Jurnal Kesehatan, [S.l.], v. 12, n. 1, p. 160-167, may 2019. ISSN 2597-7520. Available at: <>. Date accessed: 22 jan. 2020.

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