Abstract
Increased population density causes the supply of clean water to be unable to meet the requirements. The coastal area of Semarang is also faced with a tidal problem. While good sanitation is a top priority in improving health, nutrition and productivity (6th SDG target), the cause of water borne disease must be considered. This research was conducted in May 2019 at 30 points in the coastal area of Semarang, covering 9 sub-districts. Assessment of microbiology is carried out on coliform parameters and the presence of Eschericia coli. Data on septic tank type, depth, distance of the septic tank to the sample points and drainage frequency were collected. Population data are based on data from BPS. Hydrogeological mapping was used to describe the distribution of faecal contamination and other factors. Around 73.3% of the groundwater samples exceeded the coliform parameter limit and 86.7% of the samples were found to have E. coli. Only 37.5% of the septic tank is cemented and 66.7% with a safe distance from the water source. Population density was not significantly related to poor groundwater quality, because even though the area is less densely populated, E. coli is found positive in ground water.
Highlights
Water-borne diseases remain one of the major health problems in the world, especially in developing countries
Through water sources can cause disease in the presence of bacteria that are not supposed to be in the water, but in the faeces
This study maps the factors that can affect the presence of sanitary indicator bacteria (E. coli)
Summary
Water-borne diseases remain one of the major health problems in the world, especially in developing countries. Managed sanitation is a top priority for improving people's health, nutrition and productivity, and this is a target for the sixth Sustainable Development Goal (SDG). Potable drinking water is defined as drinking water with a minimum distance of 10 meter from the final disposal site which is sourced from plumbing pipes, drilled wells / pumps, protected wells, protected springs, including rainwater[1]. This percentage will decrease if the water source which is really safe to be a consideration. Improved water quality control strategies, together with increased hygiene of sewage, can be expected to provide significant health benefits[2]
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