The WATSAN Survey was held on 8 th and 9 th December 2017 by 200 students from SN College Cherthala, SM College cherthala, SD college Alappuzha and CUSAT engineering college Pulinkunnu. The team surveyed about seven wards ALIYAMARAM, POONTHOPPU,MUNICIPAL Office, ASRAMAM, MANNATHU,MULLATHUVALAPPU,MUNICIPAL STADIUM through which two major canals (AS and Commercial) in Alappuzha municipality pass through. The two feeder canals Pola Thodu and Sadamani Thodu were targeted. The Pola Thodu is the feeder to AS Canal and passes through three wards – Asramam, Poonthoppu and Kalathu. The Sadamani Thodu is the feeder to Commercial Canal and it passes through four wards – Municipal office, Municipal Stadium, Valiyamaram and Mullathu valappu.