The study identified several AMR genes in E. coli isolates from household water in Dhaka, including bla CTX-M-15, bla CTX-M-1-group, bla TEM, bla OXA-1-group, bla OXA-47, qnrS, qnrB, and bla CMY-2. These genes conferred resistance to multiple antibiotics, highlighting the presence of multidrug-resistant E. coli in the water supply.