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Journal of the Korean Society for Environmental Analysis 2019;22(1):33-39.
경기 남부지역 민방위 비상급수의 수질특성
조덕희1, 서인숙2, 권상조1, 김창규1, 이현경1, 김태화1
1경기도보건환경연구원
2경기도 보건환경연구원
Abstract
This study was carried out to investigate the contamination characteristics of emergency underground water supply facilities for civil defence at 1,076 sites in the south area of Gyeonggi-do from 2015 to 2017, and to provide basic data to establish the emergency underground drinking water policy. As a result, emergency underground water of 36.6% was unfit for drinking water standard, and thus 394 sites of total 1,076 sites exceeded the standard value. The unfit rate of bacterial contaminations such as total colony counts, total coliforms and fecal coliforms was especially high, and it showed the similar results to the other researches on the underground water contamination. In the results of correlation analysis, hardness had the highest positively correlation coefficient of 0.821 with chloride ion. The emergency underground water quality can be improved by the sustainable maintenance of regular pumping, installing UV radiation and preventing the contaminants such as microorganisms, nitrate, turbidity, organic, etc. from the surrounding environment.
Key Words: Emergency underground water, Bacterial contamination, Management
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