Reservoir · Maharashtra · India · CWC · UNKNOWN region
Koyana
100.0% full
Gross capacity
93.7 TMC (2,652 MCM)
Live capacity
93.7 TMC (2,652 MCM)
Primary use
multiple
Operator
CWC
Coordinates
17.401°N, 73.752°E
Last updated
2026-09-10
Capacity in TMC
Koyana Dam has a gross capacity of 93.7 TMC (2,652 MCM); it is currently at 100% full, holding 93.7 TMC (2,652 MCM).
- Gross capacity
- 93.7 TMC (2,652 MCM)
- Live capacity
- 93.7 TMC (2,652 MCM)
- Current storage
- 93.7 TMC (2,652 MCM)
TMC is thousand million cubic feet, the unit used in Indian water reporting. 1 TMC = 28.3168 million cubic metres (MCM). Figures are converted from the Central Water Commission bulletin, which publishes million cubic metres.
Current fill
100.0%vs 7 days ago
0.0%stable
vs 1 year ago
0.0%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: 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 September 10, 2026, Koyana is filled to 100.0% of its total capacity, holding 93.7 TMC (2,652 MCM) of a gross 93.7 TMC (2,652 MCM). At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it sits close to where it was a year earlier.
Across the readings we hold for Koyana — 72 data points between April 3, 2025 and September 10, 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
- 100.0%
- Water stored
- 93.7 TMC (2,652 MCM)
- Total capacity
- 93.7 TMC (2,652 MCM)
- 7-day change
- No change
- Year-on-year
- No change
- Primary use
- Multipurpose
- Operator
- CWC
- Coordinates
- 17.401°N, 73.752°E
- Last updated
- September 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Sep 2026 | 100.0% | 2,652 |
| 3 Sep 2026 | 100.0% | 2,652 |
| 27 Aug 2026 | 100.0% | 2,652 |
| 20 Aug 2026 | 99.5% | 2,640 |
| 13 Aug 2026 | 96.8% | 2,567 |
| 6 Aug 2026 | 93.5% | 2,480 |
| 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 |