 |
Sustainable Development Indicators for Taiwan |
Index
›› Urban
Taiwan ››
Ratio of polluted stream length| Ratio of polluted stream length |  |
 Relationship
with sustainability |
The lower ratio of polluted stream length reflects the better water quality of the streams in urban area and is helpful to sustainable development . |
| Calculation |
Stream length over medium polluted / main stream length in Urban area |
| Source
of data |
Department of Environmental Monitoring and Information Management, EPA |
