Abstract
The objective of this study was to evaluate comparatively the effects of different brands of corrugated roofing sheets on rainwater utilized within Awka metropolis. Different physicochemical parameters were assessed in the rain water harvested using established standard laboratory procedures. The rain water was harvested directly (control) and also collected after passing through the different brands of corrugated roofing sheets (samples). The results showed no appreciable effects on the physical appearance, observable odour, or taste of the water samples compared to the control sample. However, at 30 °C, there were minor changes in the pH. The amount of suspended solids (SS) in mg/100ml, total solids (TS), and total dissolved solids (TDS) found in each of the samples, including the control sample, did not vary. This showed that the corrugated roofing sheet has no significant effect on the SS, TS, and TDS of the rain water harvested within the study area. Iron, zinc, and chloride ions followed a similar trend as SS, with Fe and Zn occurring at non-detectable limits of the instrumentation, while the levels of Cl- ion (3mg/100ml) did not vary in all the samples, including the control sample. The results revealed that corrugated roofing sheets affect the total alkalinity and methyl orange alkalinity of the harvested rain water in the study area greatly but had no impact on their physical appearance.
Highlights
Environmental pollution and contamination are two of the most negative repercussions of humanity's recent technological and innovative advances [1-3]
Several key papers have studied the quality of rain water as well as that obtained from roofing materials within the Nigeria sphere
Since the WHO standard requires that drinking water be tasteless, odorless, and colorless, they were within the WHO standard
Summary
Environmental pollution and contamination are two of the most negative repercussions of humanity's recent technological and innovative advances [1-3]. According to Efe [20], about 70% of urban dwellers and 20% of rural dwellers worldwide have access to safe drinking water This great disparity is the brainchild that necessitated the need for other sources of “portable water.”. The majority of rural residents drink rainwater from these sources without paying attention to the quality of the water This has necessitated the growing body of literature in recent years within the Nigerian sphere that seeks to determine the portability level of rainwater as well as the effect roofing sheets have on it. This work was aimed at determining the physicochemical properties of rain water as well as evaluating the effects of roofing materials on the quality of harvested rain water that is generally utilized within Awka metropolis
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