Reservoir · Jharkhand · India · CWC · EASTERN region
Tilaiya
Tilaiya Dam
20.4% full
Total capacity
393 hm³
Live storage
358 hm³
River
Barakar
Basin
Ganga
Primary use
multiple
Operator
DVC
Coordinates
24.167°N, 85.792°E
Last updated
2026-07-30
Current fill
20.4%vs 7 days ago
+5.6%gaining
vs 1 year ago
-24.6%year-over-year
7-day trend
↑rising
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, 85.792 · Open in Google Maps
About Tilaiya Dam
As of July 30, 2026, Tilaiya Dam is filled to 20.4% of its total capacity, holding roughly 29 hm³ of water out of a maximum 393 hm³. At this level the reservoir is low. Of that total, about 358 hm³ is usable (live) storage.
Over the most recent week on record the fill level has risen by 5.6 percentage points, and it is 24.6 points below its level on the same date a year earlier.
Across the readings we hold for Tilaiya Dam — 66 data points between April 3, 2025 and July 30, 2026 — the level has ranged from a low of 11.3% (July 2, 2026) to a high of 100.0% (July 31, 2025). On average the reservoir is fullest around August and at its lowest around June.
It is operated by DVC primarily for multiple purposes. It lies within the Ganga basin at 24.167°N, 85.792°E.
Key facts
- Current fill level
- 20.4%
- Water stored
- 29 hm³
- Total capacity
- 393 hm³
- Usable capacity
- 358 hm³
- 7-day change
- ▲ 5.6 pts
- Year-on-year
- ▼ 24.6 pts
- Primary use
- Multipurpose
- River
- Barakar
- River basin
- Ganga
- Operator
- DVC
- Coordinates
- 24.167°N, 85.792°E
- Last updated
- July 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Jul 2026 | 20.4% | 29 |
| 23 Jul 2026 | 14.8% | 21 |
| 16 Jul 2026 | 12.7% | 18 |
| 9 Jul 2026 | 11.3% | 16 |
| 2 Jul 2026 | 11.3% | 16 |
| 25 Jun 2026 | 12.0% | 17 |
| 4 Jun 2026 | 14.1% | 20 |
| 31 May 2026 | 48.6% | 69 |
| 29 May 2026 | 14.1% | 20 |
| 21 May 2026 | 15.5% | 22 |
| 14 May 2026 | 16.2% | 23 |
| 7 May 2026 | 16.2% | 23 |
Frequently asked questions
What is the current water level of Tilaiya Dam?
As of July 30, 2026, Tilaiya Dam is at 20.4% of its capacity, holding approximately 29 hm³ of water, according to CWC data.
Is Tilaiya Dam reservoir full?
No. As of July 30, 2026, Tilaiya Dam is low at 20.4% of its capacity, so it is not full.
Is the water level at Tilaiya Dam rising or falling?
The level at Tilaiya Dam is rising — it gained 5.6 percentage points over the latest week on record.
How much water can Tilaiya Dam hold?
Tilaiya Dam has a total capacity of 393 hm³, of which about 358 hm³ is usable storage.
Where is Tilaiya Dam reservoir located?
Tilaiya Dam is located in Jharkhand, India, within the Ganga basin (coordinates 24.167°N, 85.792°E).
What is Tilaiya Dam used for?
Tilaiya Dam is used primarily for multiple purposes, and is managed by DVC.