Reservoir · Jharkhand · India · CWC · EASTERN region
Maithon
Maithon Dam
100.0% 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
2026-10-22
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 100% full, holding 16.6 TMC (471 MCM).
- Gross capacity
- 51.6 TMC (1,461 MCM)
- Live capacity
- 48.0 TMC (1,359 MCM)
- Current storage
- 16.6 TMC (471 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 CWC, which publishes million cubic metres. The percentage is labelled live or gross only when the stored volume matches that capacity.
Current fill
100.0%vs 7 days ago
0.0 ppstable
vs 1 year ago
0.0 ppyear-over-year
7-day trend
→stable
Drought context
Storage vs October average
100%of normal
100.0% full on 2026-10-22, against an average of 100.0% for October across 4 years of readings (0.0 points).
Rain over the last three months · 11 October 2026
Near normal
In the three months to 11 October 2026 the area around Maithon had rain close to normal for the season. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index +0.23). Rain, not storage. India drought figures →
Weekly storage
Fill history — multi-year
About this reservoir
Data source
official
Storage data: CWC. 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°N, 86.833°E · Open in Google Maps
About Maithon Dam
As of October 22, 2026, Maithon Dam has a published fill of 100.0%, holding 16.6 TMC (471 MCM). Gross capacity is 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 held broadly steady (+0.0 pp), and it sits close to where it was a year earlier.
Across the readings we hold for Maithon Dam — 159 data points between August 31, 2023 and October 22, 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
- 100.0%
- Water stored
- 16.6 TMC (471 MCM)
- Total capacity
- 51.6 TMC (1,461 MCM)
- Usable capacity
- 48.0 TMC (1,359 MCM)
- 7-day change
- No change
- Year-on-year
- No change
- Primary use
- Multipurpose
- River
- Barakar
- River basin
- Ganga
- Operator
- DVC
- Coordinates
- 23.950°N, 86.833°E
- Last updated
- October 22, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 22 Oct 2026 | 100.0% | 471 |
| 15 Oct 2026 | 100.0% | 471 |
| 8 Oct 2026 | 100.0% | 471 |
| 1 Oct 2026 | 100.0% | 471 |
| 24 Sep 2026 | 80.7% | 380 |
| 17 Sep 2026 | 97.2% | 458 |
| 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 |