RISIKO PENCEMARAN BAKTERIOLOGIK AIR SUMUR GALI DI DAERAH PEDESAAN KABUPATEN REMBANG

Sri Irianti, Agustina Lubis, Riris Nainggolan, Supraptini Supraptini, Sunanti Zalbawi, Sutedjo Sutedjo

RISIKO PENCEMARAN BAKTERIOLOGIK AIR SUMUR GALI DI DAERAH PEDESAAN KABUPATEN REMBANG

Abstract


Groundwater is still a main source of clean water in rural areas of Indonesia. Drinking-water facilities which mostly use shallow groundwater are dug wells. However, the water quality of dug wells is the worst among other shallow groundwater facilities. This is due to some factors affecting the quality, such as the type of soil, the season, the distance of latrines to the on-site sanitation, the construction of those facilities, and the behavior of water users. Those factors were used in the sanitary inspection checklist of drinking-water quality surveillance.

The study was conducted in Rembang District in August and November 1999 and aimed to determine how those factors may impact on water quality by measuring the concentration of faecal coliforms. The method of the study includes bacteriological assessment of water samples, interview with the owners of the water facilities, sanitary inspection, and examination of soil size of samples taken from the dugwells. The sample size of dugwells was determined by multi-stage random sampling method, amounting to a total of 261 dugwells from two villages. The water sampling and the sanitary inspection were conducted twice according to two seasons on all 261 dugwells, whilst the soil sample examination were conducted only on 30 dugwells. The determination of bacteriological pollution risk were based on logistic regression analysis with a level of confidence of 90%.

The study showed that in the dry season there were three significant variables for dugwells. They were the seal of the wall below the ground less than three meters, the water stagnant within two meters of the well, and the location of the well outside the house. In the rainy season, the only significant variable was the location of the well outside the house. The type of soil surounding the dugwells according to the examination of soil size was not significant due to its homogenity. The study reccommends for further studies with emphasis on increasing the sample size and variety of soil size.


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Jurnal Ekologi Kesehatan disebarluaskan di bawah Lisensi Creative Commons Atribusi-BerbagiSerupa 4.0 Internasional.

Jurnal Ekologi Kesehatan (The Indonesian Journal of Health Ecology, p-ISSN: 1412-4025, e-ISSN: 2354-8754) has been indexed by: