Reservoir · Tamil Nadu · India · CWC
Thunacadavu
95.3% full
Total capacity
16 hm³
Live storage
9 hm³
River
Thunacadavu River
Basin
Chalakkudy
Primary use
irrigation
Operator
Tamil Nadu Water Resources Dept
Coordinates
10.434°N, 76.781°E
Last updated
2026-06-10
Current fill
95.3%vs 7 days ago
0.0%stable
vs 1 year ago
N/A7-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.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 10.434, 76.781 · Open in Google Maps
About Thunacadavu
As of June 10, 2026, Thunacadavu is filled to 95.3% of its total capacity, holding roughly 15 hm³ of water out of a maximum 16 hm³. At this level the reservoir is high. Of that total, about 9 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts).
Across the readings we hold for Thunacadavu — 1 data points between June 10, 2026 and June 10, 2026 — the level has ranged from a low of 95.3% (June 10, 2026) to a high of 95.3% (June 10, 2026).
It is operated by Tamil Nadu Water Resources Dept primarily for irrigation. It lies within the Chalakkudy basin at 10.434°N, 76.781°E.
Key facts
- Current fill level
- 95.3%
- Water stored
- 15 hm³
- Total capacity
- 16 hm³
- Usable capacity
- 9 hm³
- 7-day change
- No change
- Primary use
- Irrigation
- River
- Thunacadavu River
- River basin
- Chalakkudy
- Operator
- Tamil Nadu Water Resources Dept
- Coordinates
- 10.434°N, 76.781°E
- Last updated
- June 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Jun 2026 | 95.3% | 15 |
Frequently asked questions
What is the current water level of Thunacadavu?
As of June 10, 2026, Thunacadavu is at 95.3% of its capacity, holding approximately 15 hm³ of water, according to Tamil Nadu WRD data.
Is Thunacadavu reservoir full?
Thunacadavu is essentially full, sitting at 95.3% of capacity as of June 10, 2026.
Is the water level at Thunacadavu rising or falling?
The level at Thunacadavu has been broadly stable over the latest week on record (0.0 points).
How much water can Thunacadavu hold?
Thunacadavu has a total capacity of 16 hm³, of which about 9 hm³ is usable storage.
Where is Thunacadavu reservoir located?
Thunacadavu is located in Tamil Nadu, India, within the Chalakkudy basin (coordinates 10.434°N, 76.781°E).
What is Thunacadavu used for?
Thunacadavu is used primarily for irrigation, and is managed by Tamil Nadu Water Resources Dept.