Reservoir · Chhattisgarh · India · CWC · UNKNOWN region
Mahanadi
94.9% full
Gross capacity
27.1 TMC (767 MCM)
Live capacity
27.1 TMC (767 MCM)
Primary use
multiple
Operator
CWC
Coordinates
20.616°N, 81.568°E
Last updated
2026-09-10
Capacity in TMC
Mahanadi Dam has a gross capacity of 27.1 TMC (767 MCM); it is currently at 95% full, holding 25.7 TMC (728 MCM).
- Gross capacity
- 27.1 TMC (767 MCM)
- Live capacity
- 27.1 TMC (767 MCM)
- Current storage
- 25.7 TMC (728 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
94.9%vs 7 days ago
-2.5%losing
vs 1 year ago
+5.2%year-over-year
7-day trend
↓falling
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. 20.616, 81.568 · Open in Google Maps
About Mahanadi
As of September 10, 2026, Mahanadi is filled to 94.9% of its total capacity, holding 25.7 TMC (728 MCM) of a gross 27.1 TMC (767 MCM). At this level the reservoir is high.
Over the most recent week on record the fill level has fallen by 2.5 percentage points, and it is 5.2 points above its level on the same date a year earlier.
Across the readings we hold for Mahanadi — 165 data points between June 8, 2023 and September 10, 2026 — the level has ranged from a low of 5.0% (June 27, 2024) to a high of 99.9% (October 16, 2025). On average the reservoir is fullest around August and at its lowest around June.
It is operated by CWC primarily for multiple purposes.
Key facts
- Current fill level
- 94.9%
- Water stored
- 25.7 TMC (728 MCM)
- Total capacity
- 27.1 TMC (767 MCM)
- 7-day change
- ▼ 2.5 pts
- Year-on-year
- ▲ 5.2 pts
- Primary use
- Multipurpose
- Operator
- CWC
- Coordinates
- 20.616°N, 81.568°E
- Last updated
- September 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Sep 2026 | 94.9% | 728 |
| 3 Sep 2026 | 97.4% | 747 |
| 27 Aug 2026 | 90.0% | 690 |
| 20 Aug 2026 | 87.5% | 671 |
| 13 Aug 2026 | 84.2% | 646 |
| 6 Aug 2026 | 79.7% | 611 |
| 30 Jul 2026 | 50.0% | 384 |
| 23 Jul 2026 | 47.5% | 364 |
| 16 Jul 2026 | 47.4% | 364 |
| 9 Jul 2026 | 47.9% | 367 |
| 2 Jul 2026 | 63.5% | 487 |
| 25 Jun 2026 | 42.6% | 327 |