1) The document summarizes preliminary findings from using imaging spectroscopy to monitor water pollution in the Ganga River basin. 2) It outlines estimated current water quality status, the potential to detect low levels of chromium pollution, and results from a lab experiment correlating chromium concentrations with spectral signatures. 3) Future challenges include the need for consistent ground validation data and overcoming atmospheric and water chemistry complexities when analyzing hyperspectral satellite imagery of the Ganga River.