Reservoir · Tamil Nadu · India · CWC · SOUTHERN region
Sathanur
Sathanur Dam
28.8% full
Total capacity
207 hm³
Live storage
199 hm³
River
Ponnaiyar
Basin
East Flowing
Primary use
irrigation
Operator
TNPWD
Coordinates
12.167°N, 79.167°E
Last updated
2026-07-30
Current fill
28.8%vs 7 days ago
-0.4%losing
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. 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. 12.167, 79.167 · Open in Google Maps
About Sathanur Dam
As of July 30, 2026, Sathanur Dam is filled to 28.8% of its total capacity, holding roughly 60 hm³ of water out of a maximum 207 hm³. At this level the reservoir is low. Of that total, about 199 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (-0.4 pts).
Across the readings we hold for Sathanur Dam — 7 data points between May 31, 2026 and July 30, 2026 — the level has ranged from a low of 28.8% (July 30, 2026) to a high of 51.2% (May 31, 2026).
It is operated by TNPWD primarily for irrigation. It lies within the East Flowing basin at 12.167°N, 79.167°E.
Key facts
- Current fill level
- 28.8%
- Water stored
- 60 hm³
- Total capacity
- 207 hm³
- Usable capacity
- 199 hm³
- 7-day change
- ▼ 0.4 pts
- Primary use
- Irrigation
- River
- Ponnaiyar
- River basin
- East Flowing
- Operator
- TNPWD
- Coordinates
- 12.167°N, 79.167°E
- Last updated
- July 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Jul 2026 | 28.8% | 60 |
| 23 Jul 2026 | 29.3% | 61 |
| 16 Jul 2026 | 29.8% | 62 |
| 9 Jul 2026 | 30.3% | 63 |
| 2 Jul 2026 | 30.6% | 63 |
| 25 Jun 2026 | 28.9% | 60 |
| 31 May 2026 | 51.2% | 106 |
Frequently asked questions
What is the current water level of Sathanur Dam?
As of July 30, 2026, Sathanur Dam is at 28.8% of its capacity, holding approximately 60 hm³ of water, according to CWC data.
Is Sathanur Dam reservoir full?
No. As of July 30, 2026, Sathanur Dam is low at 28.8% of its capacity, so it is not full.
Is the water level at Sathanur Dam rising or falling?
The level at Sathanur Dam has been broadly stable over the latest week on record (-0.4 points).
How much water can Sathanur Dam hold?
Sathanur Dam has a total capacity of 207 hm³, of which about 199 hm³ is usable storage.
Where is Sathanur Dam reservoir located?
Sathanur Dam is located in Tamil Nadu, India, within the East Flowing basin (coordinates 12.167°N, 79.167°E).
What is Sathanur Dam used for?
Sathanur Dam is used primarily for irrigation, and is managed by TNPWD.