Reservoir · Jharkhand · India · CWC · EASTERN region
Massanjore (Mayurakshi)
Massanjore Dam
45.7% full
Gross capacity
22.7 TMC (642 MCM)
Live capacity
21.3 TMC (603 MCM)
River
Mayurakshi
Basin
Ganga
Primary use
irrigation
Operator
JH/WB
Coordinates
24.167°N, 87.650°E
Last updated
2026-09-10
Capacity in TMC
Massanjore (Mayurakshi) Dam has a gross capacity of 22.7 TMC (642 MCM), of which 21.3 TMC (603 MCM) is live storage; it is currently at 46% full, holding 8.9 TMC (251 MCM).
- Gross capacity
- 22.7 TMC (642 MCM)
- Live capacity
- 21.3 TMC (603 MCM)
- Current storage
- 8.9 TMC (251 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
45.7%vs 7 days ago
+0.2%gaining
vs 1 year ago
-7.6%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: EASTERN.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 24.167, 87.650 · Open in Google Maps
About Massanjore Dam
As of September 10, 2026, Massanjore Dam is filled to 45.7% of its total capacity, holding 8.9 TMC (251 MCM) of a gross 22.7 TMC (642 MCM). At this level the reservoir is within its normal operating range. Of that total, 21.3 TMC (603 MCM) is live storage.
Over the most recent week on record the fill level has held broadly steady (+0.2 pts), and it is 7.6 points below its level on the same date a year earlier.
Across the readings we hold for Massanjore Dam — 166 data points between June 8, 2023 and September 10, 2026 — the level has ranged from a low of 16.4% (May 21, 2026) to a high of 100.0% (August 31, 2023). On average the reservoir is fullest around October and at its lowest around May.
It is operated by JH/WB primarily for irrigation. It lies within the Ganga basin at 24.167°N, 87.650°E.
Key facts
- Current fill level
- 45.7%
- Water stored
- 8.9 TMC (251 MCM)
- Total capacity
- 22.7 TMC (642 MCM)
- Usable capacity
- 21.3 TMC (603 MCM)
- 7-day change
- ▲ 0.2 pts
- Year-on-year
- ▼ 7.6 pts
- Primary use
- Irrigation
- River
- Mayurakshi
- River basin
- Ganga
- Operator
- JH/WB
- Coordinates
- 24.167°N, 87.650°E
- Last updated
- September 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Sep 2026 | 45.7% | 251 |
| 3 Sep 2026 | 45.5% | 250 |
| 27 Aug 2026 | 42.6% | 234 |
| 20 Aug 2026 | 40.4% | 222 |
| 13 Aug 2026 | 37.3% | 205 |
| 6 Aug 2026 | 30.8% | 169 |
| 30 Jul 2026 | 26.9% | 148 |
| 23 Jul 2026 | 25.7% | 141 |
| 16 Jul 2026 | 20.2% | 111 |
| 9 Jul 2026 | 18.2% | 100 |
| 2 Jul 2026 | 16.8% | 92 |
| 25 Jun 2026 | 16.6% | 91 |