Total Area of Doon Valley Riverscape is 80.63 km²

*Note:

(1) The spatial distribution of pH depicted on the map represents the mean values based on measurements collected during field surveys conducted in 2022 and 2024.

(2) The World Health Organization (WHO) and the United State Environmental Protection Agency (US EPA) recommend that drinking water and aquatic life-supporting water should have a pH range between 6.5 and 8.5.