Reservoir · Tamil Nadu · India · CWC
Perumpallam
50.0% full
Total capacity
3 hm³
Live storage
3 hm³
River
Cauvery Basin
Basin
Cauvery
Primary use
irrigation
Operator
Tamil Nadu Water Resources Dept
Coordinates
11.559°N, 77.313°E
Last updated
2026-07-02
Current fill
50.0%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. 11.559, 77.313 · Open in Google Maps
About Perumpallam
As of July 2, 2026, Perumpallam is filled to 50.0% of its total capacity, holding roughly 2 hm³ of water out of a maximum 3 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts).
Across the readings we hold for Perumpallam — 1 data points between July 2, 2026 and July 2, 2026 — the level has ranged from a low of 50.0% (July 2, 2026) to a high of 50.0% (July 2, 2026).
It is operated by Tamil Nadu Water Resources Dept primarily for irrigation. It lies within the Cauvery basin at 11.559°N, 77.313°E.
Key facts
- Current fill level
- 50.0%
- Water stored
- 2 hm³
- Total capacity
- 3 hm³
- 7-day change
- No change
- Primary use
- Irrigation
- River
- Cauvery Basin
- River basin
- Cauvery
- Operator
- Tamil Nadu Water Resources Dept
- Coordinates
- 11.559°N, 77.313°E
- Last updated
- July 2, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 2 Jul 2026 | 50.0% | 2 |
Frequently asked questions
What is the current water level of Perumpallam?
As of July 2, 2026, Perumpallam is at 50.0% of its capacity, holding approximately 2 hm³ of water, according to Tamil Nadu WRD data.
Is Perumpallam reservoir full?
No. As of July 2, 2026, Perumpallam is within its normal operating range at 50.0% of its capacity, so it is not full.
Is the water level at Perumpallam rising or falling?
The level at Perumpallam has been broadly stable over the latest week on record (0.0 points).
How much water can Perumpallam hold?
Perumpallam has a total capacity of 3 hm³.
Where is Perumpallam reservoir located?
Perumpallam is located in Tamil Nadu, India, within the Cauvery basin (coordinates 11.559°N, 77.313°E).
What is Perumpallam used for?
Perumpallam is used primarily for irrigation, and is managed by Tamil Nadu Water Resources Dept.