This study was conducted in April 2017 by taking samples from four stations with three replications in each sampling station. The results of the study revealed that the highest nitrate concentrations in waters was 0,457 ± 0,2571 mg/l in Station 2, while the lowest nitrate concentration was 0,206 ± 0,0115 mg/l in Station 4. The most common planktonic diatoms species found were Isthmia sp and H…