Conclusion

An assessment of unauthorized waste dump sites were carried out for finding its locations and analyzing composition and spread area.  It shows that method adapted and described can help to find locations of unauthorized dumping at a lower expense of time, money and effort within reasonable level of accuracy.  Visual estimates can be used to measure dump area for smaller dump sites (<400m2).  However differences exists among volunteers' groups regarding how visual scale is perceived and reported.  This showed weak correlation with actual measurement.  In order to increase the level of accuracy of measurement, a greater level of training is required before starting of field survey.  A total of 696 locations were identified by student volunteers and most of the locations had construction waste, plastic and organic waste in order of predominance.  Waste dumps which are in class of >400 m2 occupy greatest area.  There is continuous temporal change in these dump site locations, so we need to adopt rapid methods of surveys to locate these dumps in short time durations.  The amenability of the method to adapt to various locations makes it repeatable and applicable in other cities where unauthorized dumping is a common practice of waste management.