Reservoir · Jharkhand · India · CWC · EASTERN region
Maithon
Maithon Dam
89.2% full
Gross capacity
51.6 TMC (1,461 MCM)
Live capacity
48.0 TMC (1,359 MCM)
River
Barakar
Basin
Ganga
Primary use
multiple
Operator
DVC
Coordinates
23.950°N, 86.833°E
Last updated
2026-09-10
Capacity in TMC
Maithon Dam has a gross capacity of 51.6 TMC (1,461 MCM), of which 48.0 TMC (1,359 MCM) is live storage; it is currently at 89% full, holding 14.8 TMC (420 MCM).
- Gross capacity
- 51.6 TMC (1,461 MCM)
- Live capacity
- 48.0 TMC (1,359 MCM)
- Current storage
- 14.8 TMC (420 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
89.2%vs 7 days ago
-10.8%losing
vs 1 year ago
+10.2%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: EASTERN.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 23.950, 86.833 · Open in Google Maps
About Maithon Dam
As of September 10, 2026, Maithon Dam is filled to 89.2% of its total capacity, holding 14.8 TMC (420 MCM) of a gross 51.6 TMC (1,461 MCM). At this level the reservoir is high. Of that total, 48.0 TMC (1,359 MCM) is live storage.
Over the most recent week on record the fill level has fallen by 10.8 percentage points, and it is 10.2 points above its level on the same date a year earlier.
Across the readings we hold for Maithon Dam — 154 data points between August 31, 2023 and September 10, 2026 — the level has ranged from a low of 38.2% (June 4, 2026) to a high of 100.0% (September 14, 2023). On average the reservoir is fullest around January and at its lowest around July.
It is operated by DVC primarily for multiple purposes. It lies within the Ganga basin at 23.950°N, 86.833°E.
Key facts
- Current fill level
- 89.2%
- Water stored
- 14.8 TMC (420 MCM)
- Total capacity
- 51.6 TMC (1,461 MCM)
- Usable capacity
- 48.0 TMC (1,359 MCM)
- 7-day change
- ▼ 10.8 pts
- Year-on-year
- ▲ 10.2 pts
- Primary use
- Multipurpose
- River
- Barakar
- River basin
- Ganga
- Operator
- DVC
- Coordinates
- 23.950°N, 86.833°E
- Last updated
- September 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Sep 2026 | 89.2% | 420 |
| 3 Sep 2026 | 100.0% | 471 |
| 27 Aug 2026 | 81.5% | 384 |
| 20 Aug 2026 | 69.6% | 328 |
| 13 Aug 2026 | 60.9% | 287 |
| 6 Aug 2026 | 50.3% | 237 |
| 30 Jul 2026 | 42.0% | 198 |
| 23 Jul 2026 | 51.0% | 240 |
| 16 Jul 2026 | 46.5% | 219 |
| 9 Jul 2026 | 44.6% | 210 |
| 2 Jul 2026 | 40.3% | 190 |
| 25 Jun 2026 | 38.4% | 181 |