Water quality for irrigation in the Huallaga basin, Peru

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2022-09-06 DOI:10.17268/sci.agropecu.2022.022

A. Cerna-Cueva, Casiano Aguirre-Escalante, Bertha Leonor Wong-Figueroa, Janeth Leynig Tello-Cornejo, Werner Pinchi-Ramírez

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Abstract

The objective of this study was to evaluate the quality of surface water used for irrigation in the Huallaga basin. We worked with water quality monitoring data in the basin conducted by the National Water Authority (ANA) counting 139 monitoring points, evaluating 41 parameters for the period 2014 - 2019, the Peruvian Water Quality Index (ICA - PE) intended for irrigation was calculated, using as reference values the Environmental Quality Standard (ECA) for surface water in category 3 D1 (irrigation water). Of the 139 monitoring points, 26 (18.71%) were of excellent quality, 62 (44.60%) of good quality, 35 (25.18%) of fair quality, 13 (9.35%) of poor quality and 3 (2.16%) of very poor quality. The main contaminants found were thermotolerant coliforms, Escherichia coli, which on average exceeded the ECA by 606 and 288 times and by 53.4% (1029/1927) and 38.9% (701/1803) respectively. Contamination by organochlorine pesticides, in 100% (10/10) of the chlordane measurements the RCT was exceeded and with respect to Endrin, Aldrin and DDT the RCT was exceeded in 40% (10/25). The pH, in 25.6% of the measurements the water was outside the ranges tending to alkalinity and for manganese, iron and aluminum, exceeded the ECAs in 17.7%, 13.3% and 11.2% respectively. The main contaminant sources are agricultural and municipal wastewater and the presence of critical points of solid waste.

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秘鲁Huallaga流域灌溉用水水质

本研究的目的是评估瓦拉加流域用于灌溉的地表水的质量。我们利用国家水务局(ANA)在流域进行的水质监测数据，对2014年至2019年期间的139个监测点进行了统计，评估了41个参数，计算了用于灌溉的秘鲁水质指数(ICA - PE)，并将3d1类地表水(灌溉用水)的环境质量标准(ECA)作为参考值。139个监测点中，优26个(18.71%)、良62个(44.60%)、一般35个(25.18%)、差13个(9.35%)、甚差3个(2.16%)。发现的主要污染物为耐高温大肠菌大肠杆菌，平均超标606倍和288倍，超标53.4%(1029/1927)和38.9%(701/1803)。有机氯农药污染，在100%(10/10)的氯丹测量中，RCT超过，在Endrin、Aldrin和DDT测量中，RCT超过40%(10/25)。在25.6%的测量中，水的pH值超出了倾向于碱性的范围，而锰、铁和铝的pH值分别超过了17.7%、13.3%和11.2%。主要污染源是农业和城市污水以及存在的固体废物临界点。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.