Tiruchirappalli, also known as Trichy, is one of the largest cities in Tamil Nadu and is known as an important trade, education and pilgrimage centre. The population of city as per the 2011 Census is 916,857. There is sewerage network which covers 59% of the population. Rest of the city is majorly dependent on septic tanks which are generally not adhering to design prescribed by Bureau of Indian Standards (BIS).

• Prepared by: CSE
• Last update: 14/06/2022