Abstract
The surface waters contaminated with coliform bacteria having antibiotic and heavy metal resistance have become an increasing public health risk. For this reason, it is aimed to detect the bacterial quality, the frequency of antibiotics, heavy metal resistance, and bioindicator bacteria in surface water sources taken from Kilis. The resistance profile of sixteen bacteria species belonging to class Gammaproteobacteria to standard antibiotics and heavy metal salts was investigated using Kirby-Bauer disc diffusion techniques. The various physicochemical parameters such as total dissolved solids (TDS), electrical conductivity (EC), pH, temperature, dissolved oxygen amount, and biochemical oxygen demand (BOD) of samples were also examined. The total coliform load was recorded as˃1100 (MPN)/100 mL and calculated comparatively lower values (53(MPN)/100 mL) of fecal contamination for both stations. A high level of resistance to clindamycin in a total of 16 strains was observed. Ampicillin (56.25%), cefotaxime (37.5%), and ceftazidime (31.25%) followed them. The trends in heavy metal resistance of isolates increased in the order of Cd2+< Pb2+
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