Reservoir · Kerala · India · CWC
Thunacadavu
77.5% 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
2026-07-02
Current fill
77.5%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 July 2, 2026, Thunacadavu is filled to 77.5% of its total capacity, holding roughly 12 hm³ of water out of a maximum 16 hm³. At this level the reservoir is within its normal operating range. 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 July 2, 2026 and July 2, 2026 — the level has ranged from a low of 77.5% (July 2, 2026) to a high of 77.5% (July 2, 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
- 77.5%
- Water stored
- 12 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
- July 2, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 2 Jul 2026 | 77.5% | 12 |
Frequently asked questions
What is the current water level of Thunacadavu?
As of July 2, 2026, Thunacadavu is at 77.5% of its capacity, holding approximately 12 hm³ of water, according to Tamil Nadu WRD data.
Is Thunacadavu reservoir full?
No. As of July 2, 2026, Thunacadavu is within its normal operating range at 77.5% of its capacity, so it is not full.
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 Kerala, 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.