An Investigation of the Effects of a Solid Waste Landfill on the Quality of Groundwater Wells in the Benghazi, Qanfouda Region

Abstract

In the Qanfouda region, west of the city of Benghazi, this study sought to evaluate the contamination of groundwater wells in residences. The purpose of the study was to determine the extent of groundwater access and the effects that solid waste leachate has on it in the city’s surrounding areas, as well as to evaluate the WQI of the well water. To assess the quality, samples were taken from 8 domestic wells in the area. 11 quality indicators were employed for drinking purposes. Odor, color, pH, soluble salts group, sodium, cadmium, lead, chrome, mercury, total number of bacteria, and coliform bacteria were the tests that were being studied. It also revealed that the water samples used for the study contained lead, cadmium, and sodium as well as a total amount of bacteria and coliform bacteria. These analyses were done in the water and food analysis facilities of the Arab Medical University. And that the Al-Marous village wells*, which have a lead value of 0.017 ppm, have the highest level of lead. Similar to lead, the area opposite the dump had the greatest quantity of cadmium, which was 0.013 ppm. Additionally, a sample taken in the area opposite a dump had the highest concentration of the element sodium. and its concentration was 215.070 ppm. The Qanfouda sample, which was taken in the opposite direction of the landfill to the left of the landfill, likewise contained a total of bacteria and coliform bacteria, at a concentration of (69, 16 colonies / ml). Additionally, the color and smell of the Qanfudah sample, which is located across from the dump and to the left of it, are unsatisfactory, and the concentration of dissolved salts is beyond what is permissible in all samples. The findings show that none of the studied samples’ well water fell within the parameters that Libya’s national drinking water specification allows. released in 2020 by the National Center for Standardization and Standards. Gravimetric water quality index (WQI) was utilized.