Reservoir · Tamil Nadu · India · CWC · SOUTHERN region
Aliyar
Total capacity
95 hm³
Live storage
95 hm³
Primary use
multiple
Operator
CWC
Coordinates
10.481°N, 76.967°E
Last updated
2026-07-30
Current fill
0.0%vs 7 days ago
0.0%stable
vs 1 year ago
-96.9%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. 10.481, 76.967 · Open in Google Maps
About Aliyar
As of July 30, 2026, Aliyar is filled to 0.0% of its total capacity, holding roughly 0 hm³ of water out of a maximum 95 hm³. At this level the reservoir is critically low.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it is 96.9 points below its level on the same date a year earlier.
Across the readings we hold for Aliyar — 66 data points between April 3, 2025 and July 30, 2026 — the level has ranged from a low of 0.0% (July 2, 2026) to a high of 100.0% (July 24, 2025). On average the reservoir is fullest around September and at its lowest around March.
It is operated by CWC primarily for multiple purposes.
Key facts
- Current fill level
- 0.0%
- Water stored
- 0 hm³
- Total capacity
- 95 hm³
- 7-day change
- No change
- Year-on-year
- ▼ 96.9 pts
- Primary use
- Multipurpose
- Operator
- CWC
- Coordinates
- 10.481°N, 76.967°E
- Last updated
- July 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Jul 2026 | 0.0% | 0 |
| 23 Jul 2026 | 0.0% | 0 |
| 16 Jul 2026 | 0.0% | 0 |
| 9 Jul 2026 | 0.0% | 0 |
| 2 Jul 2026 | 0.0% | 0 |
| 25 Jun 2026 | 1.7% | 2 |
| 4 Jun 2026 | 9.9% | 9 |
| 31 May 2026 | 7.4% | 7 |
| 29 May 2026 | 8.4% | 8 |
| 21 May 2026 | 6.8% | 6 |
| 14 May 2026 | 4.3% | 4 |
| 7 May 2026 | 3.8% | 4 |
Frequently asked questions
What is the current water level of Aliyar?
As of July 30, 2026, Aliyar is at 0.0% of its capacity, holding approximately 0 hm³ of water, according to CWC data.
Is Aliyar reservoir full?
No. As of July 30, 2026, Aliyar is critically low at 0.0% of its capacity, so it is not full.
Is the water level at Aliyar rising or falling?
The level at Aliyar has been broadly stable over the latest week on record (0.0 points).
How much water can Aliyar hold?
Aliyar has a total capacity of 95 hm³.
Where is Aliyar reservoir located?
Aliyar is located in Tamil Nadu, India (coordinates 10.481°N, 76.967°E).
What is Aliyar used for?
Aliyar is used primarily for multiple purposes, and is managed by CWC.

