PENGARUH JARAK SUMUR DENGAN TEMPAT PEMBUANGAN KOTORAN SAPI TERHADAP JUMLAH MPN COLIFORM AIR SUMUR DI KECAMATAN AJUNG
Elly Nurus Sakinah
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This study was designed to evaluate the effect of well distance from an ox dirt place of exile to the amount of MPN coliform in the well water in District of Ajung, so that will influence the biological quality of well water. The experimental design was The Posttest Only Control Group Design. The objects was well water which apart less than 10 m of ox dirt place of exile, well water which apart more than 10 m of ox dirt place of exile and also well water from settlement which had not any ranch of ox and also apart more than 10 m of septic tank as the control group. Dirt ox place of exile used was one which had not special place or directly on the ground. Sample taken representatively by stick sampling technique, and then analyzed water bacteriology with MPN method. Data were presented descriptively and analyzed using Kruskall-wallis test and Simple Linear Regression test with the level significance at 5 %. The average value of MPN coliform for well water which apart less than 10 m of ox dirt place of exile were 127,88; The average value of MPN coliform for well water which apart more than 10 m of ox dirt place of exile were 4,63; and the average value of MPN coliform for well water as the control group were 2,25. There were significant difference (p=0.000) in Kruskall-wallis test between group of well water (p<0.05). At Simple Linear Regression test, the distance of well from an ox dirt place of exile that had equivalent MPN value with control’s MPN value was 27,57 m.
- UT-Faculty of Medical