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.
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