Reservoir · Tamil Nadu · India · Tamil Nadu WRD
Nallathangal Odai
15.2% of gross capacity
Gross capacity
0.21 TMC (6 MCM)
Live capacity
0.21 TMC (6 MCM)
Basin
Cauvery
Primary use
irrigation
Reported
November 2, 2026
Capacity in TMC
Nallathangal Odai Dam has a gross capacity of 0.21 TMC (6 MCM); it is currently at 15.2% of gross capacity, holding 0.04 TMC (1 MCM).
- Gross capacity
- 0.21 TMC (6 MCM)
- Live capacity
- 0.21 TMC (6 MCM)
- Current storage
- 0.04 TMC (1 MCM)
TMC is thousand million cubic feet, the unit used in Indian water reporting. 1 TMC = 28.3168 million cubic metres (MCM). Figures are converted from Tamil Nadu WRD, which publishes million cubic metres. The percentage is labelled live or gross only when the stored volume matches that capacity.
Current fill
15.2%vs 7 days ago
N/Avs 1 year ago
N/A7-day trend
N/ADrought context
India drought →Rainfall, last 3 months
N/A
No value on file
Drought figures describe the ground around the reservoir, not its storage. Sources: Copernicus GDO (SPI-3).
Weekly storage
Fill history — multi-year
About this reservoir
Data source
official
Storage data: Tamil Nadu WRD.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 10.710°N, 77.611°E · Open in Google Maps
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About Nallathangal Odai
As of November 2, 2026, Nallathangal Odai is filled to 15.2% of its gross capacity, holding 0.04 TMC (1 MCM) of a gross 0.21 TMC (6 MCM). At this level the reservoir is critically low.
No reading from about a week earlier is on file, so the 7-day change is not available.
Across the readings we hold for Nallathangal Odai — 1 data points between November 2, 2026 and November 2, 2026 — the level has ranged from a low of 15.2% (November 2, 2026) to a high of 15.2% (November 2, 2026).
It is operated by Tamil Nadu Water Resources Dept primarily for irrigation. It lies within the Cauvery basin at 10.710°N, 77.611°E.
Key facts
- Current fill level
- 15.2% of total capacity
- Water stored
- 0.04 TMC (1 MCM)
- Total capacity
- 0.21 TMC (6 MCM)
- 7-day change
- N/A
- Primary use
- Irrigation
- River basin
- Cauvery
- Operator
- Tamil Nadu Water Resources Dept
- Coordinates
- 10.710°N, 77.611°E
- Last updated
- November 2, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 2 Nov 2026 | 15.2% | 1 |