Reservoir · Tamil Nadu · India · CWC · SOUTHERN region
Vaigai
Vaigai Dam
8.9% full
Total capacity
230 hm³
Live storage
181 hm³
River
Vaigai
Basin
East Flowing
Primary use
irrigation
Operator
TNPWD
Coordinates
10.033°N, 77.583°E
Last updated
2026-07-30
Current fill
8.9%vs 7 days ago
-0.1%losing
vs 1 year ago
-55.9%year-over-year
7-day trend
→stable
Weekly storage
Fill history — multi-year
About this reservoir
Data source
official
Storage data: CWC (Central Water Commission) Weekly Storage Bulletin, India. CWC region: SOUTHERN.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 10.033, 77.583 · Open in Google Maps
About Vaigai Dam
As of July 30, 2026, Vaigai Dam is filled to 8.9% of its total capacity, holding roughly 15 hm³ of water out of a maximum 230 hm³. At this level the reservoir is critically low. Of that total, about 181 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (-0.1 pts), and it is 55.9 points below its level on the same date a year earlier.
Across the readings we hold for Vaigai Dam — 160 data points between June 8, 2023 and July 30, 2026 — the level has ranged from a low of 1.7% (May 29, 2026) to a high of 100.0% (January 11, 2024). On average the reservoir is fullest around November and at its lowest around May.
It is operated by TNPWD primarily for irrigation. It lies within the East Flowing basin at 10.033°N, 77.583°E.
Key facts
- Current fill level
- 8.9%
- Water stored
- 15 hm³
- Total capacity
- 230 hm³
- Usable capacity
- 181 hm³
- 7-day change
- ▼ 0.1 pts
- Year-on-year
- ▼ 55.9 pts
- Primary use
- Irrigation
- River
- Vaigai
- River basin
- East Flowing
- Operator
- TNPWD
- Coordinates
- 10.033°N, 77.583°E
- Last updated
- July 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Jul 2026 | 8.9% | 15 |
| 23 Jul 2026 | 9.0% | 15 |
| 16 Jul 2026 | 9.3% | 16 |
| 9 Jul 2026 | 8.7% | 15 |
| 2 Jul 2026 | 7.8% | 14 |
| 25 Jun 2026 | 6.8% | 12 |
| 4 Jun 2026 | 2.2% | 4 |
| 31 May 2026 | 48.8% | 84 |
| 29 May 2026 | 1.7% | 3 |
| 21 May 2026 | 3.2% | 6 |
| 14 May 2026 | 4.0% | 7 |
| 7 May 2026 | 4.6% | 8 |
Frequently asked questions
What is the current water level of Vaigai Dam?
As of July 30, 2026, Vaigai Dam is at 8.9% of its capacity, holding approximately 15 hm³ of water, according to CWC data.
Is Vaigai Dam reservoir full?
No. As of July 30, 2026, Vaigai Dam is critically low at 8.9% of its capacity, so it is not full.
Is the water level at Vaigai Dam rising or falling?
The level at Vaigai Dam has been broadly stable over the latest week on record (-0.1 points).
How much water can Vaigai Dam hold?
Vaigai Dam has a total capacity of 230 hm³, of which about 181 hm³ is usable storage.
Where is Vaigai Dam reservoir located?
Vaigai Dam is located in Tamil Nadu, India, within the East Flowing basin (coordinates 10.033°N, 77.583°E).
What is Vaigai Dam used for?
Vaigai Dam is used primarily for irrigation, and is managed by TNPWD.