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Chennai Water Reservoir Levels: How Northeast Monsoon Rains Are Improving Water Storage

Updated: 26/Oct/2026 10:22:30 AM
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Chennai Water Reservoir Levels: How Northeast Monsoon Rains Are Improving Water Storage

As of 6 AM on October 26, 2026, Chennai’s six major reservoirs had a combined storage of 5.725 TMC, representing 43.3% of their total capacity of 13.222 TMC.

Chennai Reservoir Water Levels and Storage Details

Reservoir Current Level (ft) Full Level (ft) Current Storage (TMC) Total Capacity (TMC) Storage (%) Inflow (cusecs) Discharge (cusecs) Rainfall (mm)
Redhills 17.04 21.20 2.415 3.300 73.2% 210 204 34.00
Cholavaram 3.40 18.86 0.144 1.081 13.3% 10 8 12.00
Chembarambakkam 14.76 24.00 1.488 3.645 40.8% 150 208 4.20
Poondi 22.90 35.00 0.565 3.231 17.5% 490 30 11.00
Veeranam 13.05 15.60 0.860 1.465 58.7% 2,058 168 40.00
Kannankottai–Thervoy Kandigai 28.57 36.61 0.253 0.500 50.6% 50 14 27.00
Total — — 5.725 13.222 43.3% 2,968 632 128.20

Total rainfall is the cumulative rainfall reported across the six reservoirs. Rainfall values are not additive measurements of a single location.

Key Highlights of Chennai Reservoir Water Levels

Highest storage: Redhills at 73.2%.

Lowest storage: Cholavaram at 13.3%.

Highest inflow: Veeranam at 2,058 cusecs.

Highest rainfall: Veeranam at 40 mm.