 The water index, Wi, is used to identify water bodies in remote sensing imagery. It has been found to be less effective than other thresholding methods due to its inability to distinguish between mixed-water pixels, background noise, and varying thresholds depending on the location and time of image acquisition. To overcome these shortcomings, a new method was developed using digital image processing techniques. This method combines the Wi with image processing techniques to improve the accuracy of identifying water bodies. The results were compared with those obtained from existing thresholding methods and found to be more accurate. Additionally, the robustness of the new method was tested against different and found to be reliable.