Reservoir · Tamil Nadu · India · CWC
Ponnaiyar
Total capacity
3 hm³
Live storage
3 hm³
River
Ponnaniyar
Basin
Cauvery
Primary use
irrigation
Operator
Tamil Nadu Water Resources Dept
Coordinates
10.580°N, 78.260°E
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
- 3 hm³
- 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 |
Frequently asked questions
How much water can Ponnaiyar hold?
Ponnaiyar has a total capacity of 3 hm³.
Where is Ponnaiyar reservoir located?
Ponnaiyar is located in Tamil Nadu, India, within the Cauvery basin (coordinates 10.580°N, 78.260°E).
What is Ponnaiyar used for?
Ponnaiyar is used primarily for irrigation, and is managed by Tamil Nadu Water Resources Dept.