| Keywords |
Rainwater ; Use district ; Building-to-land ratio ; SWMM ; Impervious layer |
| Abstract |
The pollutant concentration of rainwater by the use district could be predicted using Strom Water Management Model (SWMM) program by EPA. This program needs input data such as the site area, the weather date and pollutant etc. This study have an object to predict pollutant concentration of rainwater and to suggest primary data for water purifying device. The Building-to-land ratio on the use district can be affected pollutant of rainwater on reference site. When pollutant of rainwater compared between 40% building-to-land ratio of exclusive residential site and 60% building-to-land ratio of residential site on same area, the TSS concentration of residential site is higher than exclusive residential site. |