Reservoir · Kerala · India · CWC · SOUTHERN region
Idamalayar
Idamalayar Dam
24.7% full
Total capacity
1,098 hm³
Live storage
1,026 hm³
River
Periyar
Basin
West Flowing
Primary use
hydropower
Operator
KSEB
Coordinates
10.200°N, 76.717°E
Last updated
2026-06-12
Current fill
24.7%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. 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. 10.200, 76.717 · Open in Google Maps
About Idamalayar Dam
As of June 12, 2026, Idamalayar Dam is filled to 24.7% of its total capacity, holding roughly 271 hm³ of water out of a maximum 1,098 hm³. At this level the reservoir is low. Of that total, about 1,026 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 Idamalayar Dam — 1 data points between June 12, 2026 and June 12, 2026 — the level has ranged from a low of 24.7% (June 12, 2026) to a high of 24.7% (June 12, 2026).
It is operated by KSEB primarily for hydroelectric power. It lies within the West Flowing basin at 10.200°N, 76.717°E.
Key facts
- Current fill level
- 24.7%
- Water stored
- 271 hm³
- Total capacity
- 1,098 hm³
- Usable capacity
- 1,026 hm³
- 7-day change
- No change
- Primary use
- Hydroelectric power
- River
- Periyar
- River basin
- West Flowing
- Operator
- KSEB
- Coordinates
- 10.200°N, 76.717°E
- Last updated
- June 12, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 12 Jun 2026 | 24.7% | 271 |
Frequently asked questions
What is the current water level of Idamalayar Dam?
As of June 12, 2026, Idamalayar Dam is at 24.7% of its capacity, holding approximately 271 hm³ of water, according to KSEB data.
Is Idamalayar Dam reservoir full?
No. As of June 12, 2026, Idamalayar Dam is low at 24.7% of its capacity, so it is not full.
Is the water level at Idamalayar Dam rising or falling?
The level at Idamalayar Dam has been broadly stable over the latest week on record (0.0 points).
How much water can Idamalayar Dam hold?
Idamalayar Dam has a total capacity of 1,098 hm³, of which about 1,026 hm³ is usable storage.
Where is Idamalayar Dam reservoir located?
Idamalayar Dam is located in Kerala, India, within the West Flowing basin (coordinates 10.200°N, 76.717°E).
What is Idamalayar Dam used for?
Idamalayar Dam is used primarily for hydroelectric power, and is managed by KSEB.