Reservoir · Kerala · India · CWC · SOUTHERN region
Periyar
12.2% full
Total capacity
173 hm³
Live storage
173 hm³
Primary use
multiple
Operator
CWC
Coordinates
9.527°N, 77.144°E
Last updated
2026-07-30
Current fill
12.2%vs 7 days ago
-1.1%losing
vs 1 year ago
-68.7%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. 9.527, 77.144 · Open in Google Maps
About Periyar
As of July 30, 2026, Periyar is filled to 12.2% of its total capacity, holding roughly 21 hm³ of water out of a maximum 173 hm³. At this level the reservoir is critically low.
Over the most recent week on record the fill level has held broadly steady (-1.1 pts), and it is 68.7 points below its level on the same date a year earlier.
Across the readings we hold for Periyar — 160 data points between June 8, 2023 and July 30, 2026 — the level has ranged from a low of 7.1% (April 30, 2026) to a high of 100.0% (December 21, 2023). On average the reservoir is fullest around December and at its lowest around April.
It is operated by CWC primarily for multiple purposes.
Key facts
- Current fill level
- 12.2%
- Water stored
- 21 hm³
- Total capacity
- 173 hm³
- 7-day change
- ▼ 1.1 pts
- Year-on-year
- ▼ 68.7 pts
- Primary use
- Multipurpose
- Operator
- CWC
- Coordinates
- 9.527°N, 77.144°E
- Last updated
- July 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Jul 2026 | 12.2% | 21 |
| 23 Jul 2026 | 13.2% | 23 |
| 16 Jul 2026 | 14.2% | 25 |
| 9 Jul 2026 | 13.7% | 24 |
| 2 Jul 2026 | 11.9% | 21 |
| 25 Jun 2026 | 14.0% | 24 |
| 4 Jun 2026 | 9.3% | 16 |
| 31 May 2026 | 14.5% | 25 |
| 29 May 2026 | 9.8% | 17 |
| 21 May 2026 | 10.8% | 19 |
| 14 May 2026 | 10.6% | 18 |
| 7 May 2026 | 7.2% | 12 |
Frequently asked questions
What is the current water level of Periyar?
As of July 30, 2026, Periyar is at 12.2% of its capacity, holding approximately 21 hm³ of water, according to CWC data.
Is Periyar reservoir full?
No. As of July 30, 2026, Periyar is critically low at 12.2% of its capacity, so it is not full.
Is the water level at Periyar rising or falling?
The level at Periyar has been broadly stable over the latest week on record (-1.1 points).
How much water can Periyar hold?
Periyar has a total capacity of 173 hm³.
Where is Periyar reservoir located?
Periyar is located in Kerala, India (coordinates 9.527°N, 77.144°E).
What is Periyar used for?
Periyar is used primarily for multiple purposes, and is managed by CWC.