Abstract
Knowing the quality of water for human consumption is of utmost importance in the development of a country, since the poor quality of this vital liquid can be a source of diseases for the health of the population. The present work was carried out in the community El Comején, Masaya, in the Republic of Nicaragua, where microbiological analyzes were carried out in three sampling points (one well drilled and two taps). The physicochemical and chemical analyzes are in accordance with the norms established by CARPE, highlighting sodium as a major element with a concentration of 48.6 mg L-1 and potassium with 21.08 mg L-1. On the other hand, biological parameters such as total coliforms, thermotolerable coliforms, E. coli and fecal enterococos were analyzed, being found in some sampling points, values of total coliforms of 110 NMP 100 mL-1 being above the established limits, requiring a treatment additional to be suitable for human consumption.
Highlights
Water is a vital element for all the living beings of the planet, since the fluvial systems maintain terrestrial life and provide water to 95% of the world population (UNECLAC, 2013)
2.2 Sampling Points Different sampling points were determined: one in the well drilled to the Northeast of the community of El Comején, the second point in a tap located to the north of the beginning of the distribution network and the third sampling point in a tap that is in the final part in the southern part of the water distribution network of the project in the community of El Comején
Electrical conductivity is a nonspecific property in water quality, but it gives us an idea of the total loads in solution as can be seen in Table 2, with the established parameters being higher than those recommended (WHO, 1995)
Summary
Water is a vital element for all the living beings of the planet, since the fluvial systems maintain terrestrial life and provide water to 95% of the world population (UNECLAC, 2013). Anthropogenic pressures, especially in the agricultural sector, represent approximately 70% of all freshwater withdrawals worldwide, and more than 90% in most countries with lower human development indexes or those considered to be developing (WWAP, 2014). According to Jouravlev (2011) the availability and quality of water is facing the great pressures of contamination, especially by the dumping of industrial quantities of waste rich in nitrogenous and phosphorous bases that are generating high levels of eutrophication of surface waters and coastal areas, it is expected that at the rate that is being contaminated increase by 2030 to 35%. Groundwater supplies drinking water to at least 50% of the world's population, but this resource represents 43% of all water used for irrigation worldwide, 2.5 billion people depend exclusively on groundwater resources to meet their daily basic water needs (FAO, 2010)
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