Reservoir · Tamil Nadu · India · CWC
Ponnaiyar
Gross capacity
0.11 TMC (3 MCM)
Live capacity
0.11 TMC (3 MCM)
River
Ponnaniyar
Basin
Cauvery
Primary use
irrigation
Operator
Tamil Nadu Water Resources Dept
Coordinates
10.580°N, 78.260°E
Capacity in TMC
Ponnaiyar Dam has a gross capacity of 0.11 TMC (3 MCM).
- Gross capacity
- 0.11 TMC (3 MCM)
- Live capacity
- 0.11 TMC (3 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 the Central Water Commission bulletin, which publishes million cubic metres.
Fill history — multi-year
About this reservoir
Data source
official
Storage data: CWC (Central Water Commission) Weekly Storage Bulletin, India.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 10.580, 78.260 · Open in Google Maps
About Ponnaiyar
It is operated by Tamil Nadu Water Resources Dept primarily for irrigation. It lies within the Cauvery basin at 10.580°N, 78.260°E.
Key facts
- Total capacity
- 0.11 TMC (3 MCM)
- Primary use
- Irrigation
- River
- Ponnaniyar
- River basin
- Cauvery
- Operator
- Tamil Nadu Water Resources Dept
- Coordinates
- 10.580°N, 78.260°E
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 26 Jun 2026 | 21.3% | 1 |

