Syoof Khoman Alwan Al-Ramahy - Department of Biology, College of Science, University of Al-Qadisiyah, Diwaniyah, Iraq
Hind Hamzah Abdulhussein - Department of Pathological Analyzes, Al-Mustaqbal University College, Hilla, Iraq
Eqbal Dohan Challap - Department of Biology, College of Science, University of Al-Qadisiyah, Diwaniyah, Iraq

This study was conducted in order to take an idea about some bacteria that presented in some halls of the college of Science, University of Al-Qadisiyah. 60 samples of the halls of the Departments of Biology, Chemistry and Environment. The Isolates of Escherichia coli were highest in the in the department of Biology (14%), followed by Pseudomonas aeruginosa (10%) in the environmental sciences department, followed by Staphylococcus aureus (6%) in both the Chemistry and Biology department and only one isolates of Enterobacteria in the halls of Biology and also one isolates of Streptococci ssp in the Department of Chemistry.

Pseudomonas aeruginosa, Staphylococcus aureus, Streptococci, Contaminated, Iraq