Chennai civic bio-mining recovers 118 acres from Kodungaiyur, Perungudi and Athipattu dumpsites

Direct fact

In October 2026, the Chennai Corporation said bio-mining work at Kodungaiyur, Perungudi and Athipattu dumpsites had already reclaimed 118 acres of land, with major waste-removal phases continuing and new contracts being prepared.

Key specifics

• Kodungaiyur dumpsite covers 350 acres, and 47,85,993 tonnes out of 66,52,506 tonnes have been removed so far.
• Kodungaiyur has reclaimed about 22 acres, while the project there is expected to finish by May next year.
• Perungudi dumpsite covers 250 acres; its first phase removed 29,28,398 cubic metres of waste, and 96 acres have been reclaimed.
• At Perungudi, 1,08,073 tonnes out of 5,50,000 tonnes in the second phase have been removed, and completion is expected by March next year.
• Athipattu dumpsite covers 5.5 acres; 1,07,811 cubic metres were fully removed in phase one, and 64,263 tonnes out of 72,083 tonnes have been cleared in phase two.

Exam lens

TNPSC geography-cum-governance question type: Chennai Corporation, bio-mining, 118 acres, Kodungaiyur, Perungudi, Athipattu, and waste-remediation timelines are the key facts; a likely one-liner is “Which Chennai dumpsite project is linked to land reclamation through bio-mining?”