Reservoir · Maharashtra · India · CWC · UNKNOWN region
Koyana
84.2% full
Total capacity
2,652 hm³
Live storage
2,652 hm³
Primary use
multiple
Operator
CWC
Coordinates
17.401°N, 73.752°E
Last updated
2026-07-30
Current fill
84.2%vs 7 days ago
+21.3%gaining
vs 1 year ago
+13.1%year-over-year
7-day trend
↑rising
Weekly storage
Fill history — multi-year
About this reservoir
Data source
official
Storage data: CWC (Central Water Commission) Weekly Storage Bulletin, India. CWC region: UNKNOWN.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 17.401, 73.752 · Open in Google Maps
About Koyana
As of July 30, 2026, Koyana is filled to 84.2% of its total capacity, holding roughly 2,232 hm³ of water out of a maximum 2,652 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has risen by 21.3 percentage points, and it is 13.1 points above its level on the same date a year earlier.
Across the readings we hold for Koyana — 66 data points between April 3, 2025 and July 30, 2026 — the level has ranged from a low of 9.4% (June 25, 2026) to a high of 100.0% (August 26, 2025). On average the reservoir is fullest around September and at its lowest around June.
It is operated by CWC primarily for multiple purposes.
Key facts
- Current fill level
- 84.2%
- Water stored
- 2,232 hm³
- Total capacity
- 2,652 hm³
- 7-day change
- ▲ 21.3 pts
- Year-on-year
- ▲ 13.1 pts
- Primary use
- Multipurpose
- Operator
- CWC
- Coordinates
- 17.401°N, 73.752°E
- Last updated
- July 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Jul 2026 | 84.2% | 2,232 |
| 23 Jul 2026 | 62.8% | 1,666 |
| 16 Jul 2026 | 51.6% | 1,369 |
| 9 Jul 2026 | 47.6% | 1,264 |
| 2 Jul 2026 | 10.9% | 290 |
| 25 Jun 2026 | 9.4% | 250 |
| 4 Jun 2026 | 11.1% | 295 |
| 31 May 2026 | 53.6% | 1,422 |
| 29 May 2026 | 12.4% | 328 |
| 21 May 2026 | 16.5% | 438 |
| 14 May 2026 | 21.4% | 567 |
| 7 May 2026 | 26.8% | 711 |
Frequently asked questions
What is the current water level of Koyana?
As of July 30, 2026, Koyana is at 84.2% of its capacity, holding approximately 2,232 hm³ of water, according to CWC data.
Is Koyana reservoir full?
No. As of July 30, 2026, Koyana is high at 84.2% of its capacity, so it is not full.
Is the water level at Koyana rising or falling?
The level at Koyana is rising — it gained 21.3 percentage points over the latest week on record.
How much water can Koyana hold?
Koyana has a total capacity of 2,652 hm³.
Where is Koyana reservoir located?
Koyana is located in Maharashtra, India (coordinates 17.401°N, 73.752°E).
What is Koyana used for?
Koyana is used primarily for multiple purposes, and is managed by CWC.