Direct answer. In Chennai (Tamil Nadu), file your RTI for water supply / contamination to Greater Chennai Corporation (GCC) (Municipal Water Department / Jal Board). Fee: Rs. 10 IPO (state default; verify against Tamil Nadu state RTI rules). Online portal: https://chennaicorporation.gov.in/ (where the relevant department offers e-service). Reply mandatory in 30 days under §7(1) RTI Act 2005.
| City | Chennai (Tamil Nadu) |
| Subject | RTI for water supply / contamination |
| Municipal body | Greater Chennai Corporation (GCC) |
| City context | GCC operates 200 wards across 15 zones; oldest municipal body in India (1688) |
| Target office | Greater Chennai Corporation (GCC) (Municipal Water Department / Jal Board) |
| Online portal | https://chennaicorporation.gov.in/ |
| State portal | Tamil Nadu state RTI hub |
| Reply window | 30 days (§7(1) RTI Act 2005) |
| Statutory anchor | Article 21 right (Subhash Kumar 1991); BIS IS 10500:2012 |
The general guide on RTI for water supply / contamination covers the full template, decision steps, case law and FAQs. This page focuses on the Chennai-specific bits: which municipal department to file at, what fee mode Greater Chennai Corporation (GCC) accepts, the local portal (if any), and where to escalate within Tamil Nadu.
Last reviewed: 25 April 2026.