4.  Parameters Affecting Microbiological Groundwater Quality: Statistical Modelling

Authors: G.A. Dumitrel


Abstract:

Water, essential element of life and human activities is an important indicator for assessing the degree of civilization and development opportunities that a city offers to its inhabitants. Drinking water quality standards exist for a long time. As science progressed and pollution has increased and diversified, the demand and complexity of standards, analysis and control methods increased too. The presence of nitrogen-containing compounds in waters indicated the existence of a pollution source (municipal and industrial wastewater, septic tanks, feed lot discharges, animal wastes, runoff from fertilized agricultural field). Excessive concentrations of nitrogen in water alter the water quality and cause negative effect on human body. This paper presents the influence in time of nitrogen-containing compounds from groundwaters on the microbial load of groundwaters. The values of model adequacy indicators shows a good correlation between experimental data and those obtained based on mathematical equations of model developed.


Keywords: groundwater, nitrogen cycle, microbial load, experimental modelling

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