School of Public Health, University of São Paulo, São Paulo, SP 01246-904, Brazil.
College of Environmental Design, University of California, Berkeley, CA 94720-1870, USA.
Int J Environ Res Public Health. 2018 Dec 24;16(1):40. doi: 10.3390/ijerph16010040.
Urbanized river basins usually suffer from anthropogenic pressure, compromising the quality of water. Unsafe water is a risk to public health, especially when there are occurrences of HABs (Harmful Algae Blooms) as in the case of cyanobacteria, which cause different human health problems. In this paper, we aimed to review the scientific literature documenting what has been studied in the scope of the stratified reservoirs of urbanized basins. The mapping review method was used to categorize existing literature on urbanized watersheds and eutrophic reservoirs. Using the keywords "Eutrophic Reservoir" and "Urban" and selecting all the years of open publication on the Science web page, we obtained 69 results, 53 of them meeting the requirements established for the search. Many of the studies mention as the most important determinant for eutrophication of reservoirs and the proliferation of algae, the anthropogenic influence through the diffuse load of streets, domestic and industrial sewage, and even drainage water from agricultural areas in the basin. The results of this study reinforce that informal settlements without sanitary infrastructure are aggravating the deterioration of water quality in urban water sources and therefore posing many risks to public health.
城市化流域通常受到人为压力的影响，从而影响水质。不安全的水会对公众健康造成威胁，特别是在发生有害藻类水华（HABs）时，如蓝藻，这会导致不同的人类健康问题。在本文中，我们旨在回顾记录城市化流域分层水库研究情况的科学文献。采用制图综述方法对城市化流域和富营养化水库的现有文献进行分类。我们使用关键词“富营养化水库”和“城市”，并选择科学网页上所有开放出版的年份，共获得 69 个结果，其中 53 个符合搜索规定的要求。许多研究提到，街道的分散负荷、生活和工业污水，甚至流域农业区的排水，是导致水库富营养化和藻类大量繁殖的最重要决定因素。本研究的结果证实，没有卫生基础设施的非正规住区正在加剧城市水源水质的恶化，从而对公众健康构成许多风险。
