Table 9.
Point and non-point sources of water pollution in Bangladesh.
| Types of Pollutants | Point Sources | Non-point Sources |
|---|---|---|
| Pathogens | Raw sewage | Runoff from agricultural waste and chemicals |
| Urban solid waste | Septic tank leachate, Animal waste | |
| Excrement of human and animal | ||
| Heavy Metal | Discharge of industrial effluent | Pesticide runoff |
| Effluent from mines | Smelting | |
| Thermal power plants | ||
| Hospital and Pharmaceutical waste | ||
| Organic Chemical | Industrial effluent mostly from paper mills | Fertilizer, Pesticide, and Herbicide runoff |
| Urban solid and liquid waste | Runoff from pasture and farms, household | |
| Nutrients | Wastewater from treatment plants | Runoff agricultural waste and chemicals |
| Thermal | Electric Power Plants | |
| Industrial effluents | ||
| Sedimentation | Runoff from construction sites less than 20,000 m2 | Runoff from construction sites more than 20,000 m2 |
| Agricultural runoff | ||
| Radioactivity∗ | Discharge from nuclear plants | Natural occurring radioactivity |
∗
Country's first 2.4 GWe nuclear power plant –Rooppur Nuclear Power Plant—is under construction. Adopted from (Cunningham and Cunningham, 2011; Botkin and Keller, 2011; Miller and Spoolman, 2016).