 About 110 metric tonnes of solid waste are collected from Thanjavur every day by door-to-door collection and subsequently the source segregation and dumping is carried out by the sanitary department of the Thanjavur Corporation. The coverage of solid waste management had an efficiency of 100 % as of 2001. The underground drainage system covers 70 % of the city and the remaining sewerage system for disposal of sullage is through septic tanks, open drains and public conveniences. The Corporation maintains a total of 155 km (96 mi) of storm water drains: 53.27 km (33.10 mi) surfaced drains and 101.73 km (63.21 mi) unlined drains.
