Abstract
The water quality was studied in the basin of the Arizona River, supplier of the urban helmet of the municipality of Arizona, department of Atlántida (Honduras). In order to determine the quality of the water provided to the population. The methodology implemented consisted in carrying out tours in the area to obtain information on the delimitation, maps of land uses using tools of the geographic information system (GIS), then it was determined to assign the sampling sites for the three days for three months being the the following: take, storage tank and three taps of the urban center of the municipality of Arizona. The analytical parameters for the micro-watershed (site work) were evaluated and analyzed by the NSF ICA with a multivariate statistical analysis of principal component methods, the remaining analyzes were developed in comparisons according to the admissible values of the Standard Technique for the Quality of Drinking Water of Honduras 1995.
Highlights
Water is a natural resource of economic, strategic and social value, essential for the existence and well-being of the human being, as well as a good for humanity, useful for the maintenance of the planet’s ecosystems (Uniagua, 2001)
The microbasin of the Arizona River, is the object of study in this work, a river that is born in the community of Zanzibar (Honduras), running its course in a rugged topography with slope of 15-30% and influenced by the presence of broadleaved forests humid and presence of oxisolos with low fertility (Municipal Atlas and land cover, 2015), water quality indicators being studied in different points of the basin
2.2 Water Quality Analysis 2.2.1 Sampling Points Different sampling points were made: one in the construction site of the project, point number two in the storage tank, the third, fourth and fifth point were executed in three faucets distributed in the south-east and south-west of the urban area in the municipality of Arizona, the first tap at the start of the distribution network, the second tap in the intermediate zone and the last tap in the final part of the project distribution network. 2.2.2 Parameters of Water Quality According to the Calculation of ICA The physical and chemical parameters measured were temperature, pH, nitrates, total phosphorus, total dissolved solids and total dissolved oxygen, according to the methodology described by Macêdo (2005)
Summary
Water is a natural resource of economic, strategic and social value, essential for the existence and well-being of the human being, as well as a good for humanity, useful for the maintenance of the planet’s ecosystems (Uniagua, 2001). Given its importance for the development of life, and due to its unique characteristics, where no process occurs without direct and indirect action, it is essential that its presence in the environments an appropriate quality for its use (Rebouça, 2002). Given that in recent years there has been a large population growth, diversifying the uses of water, have generated unwanted environmental conditions, such as the growth of the number of solid waste and other anthropogenic activities that accelerate the degradation of quality of water, being a worrisome situation, since according to the United Nations World Report on Water Resources Development in 2017 in Latin America only 8% of wastewater is subjected to some type of treatment.
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