3. Methodology
3.1. Identification of areas for consideration
The primary goal is to identify the suitable areas, which are really far i.e. areas far from the grid, far
from road network and areas having low access to regular water supply. However, these areas should be
near to natural water sources such as streams or canals for ease of access for water purification system.
The GIS ArcView tool was used to identify suitable areas in Muang Pathumthani. Input data used for
identifying suitable areas were the administrative boundary map, grid electricity, road and stream network
map and household data with less access to regular water supply service. To identify the suitable areas,
the following criteria were used: