Reservoir · Tamil Nadu · India · Tamil Nadu WRD
Nagavathi
Gross capacity
0.14 TMC (4 MCM)
Live capacity
0.14 TMC (4 MCM)
River
Nagavathi
Basin
Cauvery
Primary use
irrigation
Operator
Tamil Nadu Water Resources Dept
Coordinates
12.060°N, 78.028°E
Capacity in TMC
Nagavathi Dam has a gross capacity of 0.14 TMC (4 MCM).
- Gross capacity
- 0.14 TMC (4 MCM)
- Live capacity
- 0.14 TMC (4 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.
Drought context
Rain over the last three months · 11 October 2026
Severely dry
In the three months to 11 October 2026 the area around Nagavathi had far less rain than normal, a shortfall seen about one year in fifteen. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −1.95). Rain, not storage. India drought figures →
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. 12.060°N, 78.028°E · Open in Google Maps
About Nagavathi
It is operated by Tamil Nadu Water Resources Dept primarily for irrigation. It lies within the Cauvery basin at 12.060°N, 78.028°E.
Key facts
- Total capacity
- 0.14 TMC (4 MCM)
- Primary use
- Irrigation
- River
- Nagavathi
- River basin
- Cauvery
- Operator
- Tamil Nadu Water Resources Dept
- Coordinates
- 12.060°N, 78.028°E
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 8 Sep 2026 | 20.5% | 1 |
| 4 Sep 2026 | 20.5% | 1 |
| 27 Aug 2026 | 20.5% | 1 |
| 21 Aug 2026 | 20.5% | 1 |
| 14 Aug 2026 | 20.3% | 1 |
| 2 Jul 2026 | 20.6% | 1 |