PRE & POST DRINKING WATER QUALITY ASSESSMENT FROM THE FILTRATION PLANTS OF VARIOUS SECTORS IN DHA PHASE-II, ISLAMABAD, PAKISTAN

Abstract

In Pakistan, just 25% of the population has sustained access to high-quality drinking water, which is below tolerable limits. The study area under consideration was DHA Phase II, Islamabad, Pakistan. The research conducted aiming the valuable insights for the water quality testing using different parameters and piper analysis to relate the water quality. The purpose of the study was to examine the efficiency of the filtration plants in the sector by performing different tests on water samples. A total of 22 samples were tested for physicochemical contamination, heavy metals, and microbiological contamination. The investigation examined water samples at various stages, before, during, and after filtration. Samples were collected in water bottles as assigned by EPA that underwent washing with distilled water, rinsing, sealing, and subsequent transportation to the EPA lab. The samples underwent analysis utilizing Atomic Absorption and UV Spectrophotometry. The results underscore the necessity of the enhanced water quality standards as high concentration of lead, nickel, cadmium and chromium was detected along with high concentration of total hardness, sulfates and chlorides in various plants, which is quite alarming. In conclusion to our findings, it is strongly advised that authorities take proactive measures to supervise and maintain filtration plants to prevent contamination and enhance overall performance.