Microbiological characterization of drinking water and socio-environmental study in the peri-urban area of La Plata, Buenos Aires, Argentina.

IF 2.4 4区 环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES
Journal of water and health Pub Date : 2025-02-01 Epub Date: 2024-12-04 DOI:10.2166/wh.2024.128
Andrea Celina Falcone, Matias Hernán Assandri, María Elisa Helman, Joaquín Alejandro Córdoba, Virginia Vetere, Juan Manuel Unzaga
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Abstract

The aim was to analyze the groundwater quality and evaluate the socio-environmental factors associated with the indicators of environmental contamination in the peri-urban area of La Plata. A descriptive cross-sectional study was conducted between 2013 and 2023, and six neighborhoods were selected. Water samples were taken according to the Argentine Food Code and a parasitological analysis of the water was performed using ultrafiltration. Socio-environmental analyses were carried out with semi-structured questionnaires and a generalized linear model was used considering a binomial distribution. Of the total water samples, 70% (75/106) indicated that the water is not suitable for consumption. The highest contamination by total coliforms was observed in Abasto, and the risk of contamination by this indicator was higher (odds ratio > 5) compared to other neighborhoods. A moderate percentage of fecal coliforms and Escherichia coli was found in Melchor Romero and El Peligro, although it was higher than that detected in the other neighborhoods. Pseudomonas spp. was observed in all the samples in Arana and in moderate amounts in Abasto and Lisandro Olmos. Entamoeba spp. and Blastocystis spp. were found in a quarter of the water samples. It is essential to manage environmental sanitation and family health access policies.

阿根廷布宜诺斯艾利斯拉普拉塔近郊区饮用水的微生物特征和社会环境研究。
目的是分析拉普拉塔城郊地区的地下水质量,并评价与环境污染指标相关的社会环境因素。在2013年至2023年期间进行了描述性横断面研究,并选择了六个社区。根据阿根廷食品法采集了水样,并使用超滤对水进行了寄生虫学分析。社会环境分析采用半结构化问卷,考虑二项分布,采用广义线性模型。在全部水样中,70%(75/106)的水不适合饮用。总大肠菌群污染最高的社区为Abasto,该指标的污染风险高于其他社区(优势比为bb50)。在Melchor Romero和El Peligro发现了中等比例的粪便大肠菌群和大肠杆菌,但高于其他社区。在阿拉纳的所有样品中都发现了假单胞菌,在阿巴斯托和利桑德罗·奥尔莫斯的样品中也发现了适量的假单胞菌。在四分之一的水样中发现了内阿米巴原虫和囊虫。管理环境卫生和家庭保健政策至关重要。
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来源期刊
Journal of water and health
Journal of water and health 环境科学-环境科学
CiteScore
3.60
自引率
8.70%
发文量
110
审稿时长
18-36 weeks
期刊介绍: Journal of Water and Health is a peer-reviewed journal devoted to the dissemination of information on the health implications and control of waterborne microorganisms and chemical substances in the broadest sense for developing and developed countries worldwide. This is to include microbial toxins, chemical quality and the aesthetic qualities of water.
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