Reservoir · Bihar · India · CWC · EASTERN region
Chandan Dam
0.7% full
Total capacity
136 hm³
Live storage
136 hm³
River
Chandan
Basin
Ganga
Primary use
irrigation
Operator
BIHAR
Coordinates
24.980°N, 86.820°E
Last updated
2026-07-30
Current fill
0.7%vs 7 days ago
-1.2%losing
vs 1 year ago
N/A7-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. 24.980, 86.820 · Open in Google Maps
About Chandan Dam
As of July 30, 2026, Chandan Dam is filled to 0.7% of its total capacity, holding roughly 1 hm³ of water out of a maximum 136 hm³. At this level the reservoir is critically low.
Over the most recent week on record the fill level has held broadly steady (-1.2 pts).
Across the readings we hold for Chandan Dam — 9 data points between May 31, 2026 and July 30, 2026 — the level has ranged from a low of 0.0% (May 31, 2026) to a high of 4.6% (July 23, 2026).
It is operated by BIHAR primarily for irrigation. It lies within the Ganga basin at 24.980°N, 86.820°E.
Key facts
- Current fill level
- 0.7%
- Water stored
- 1 hm³
- Total capacity
- 136 hm³
- 7-day change
- ▼ 1.2 pts
- Primary use
- Irrigation
- River
- Chandan
- River basin
- Ganga
- Operator
- BIHAR
- Coordinates
- 24.980°N, 86.820°E
- Last updated
- July 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Jul 2026 | 0.7% | 1 |
| 29 Jul 2026 | 1.9% | 3 |
| 23 Jul 2026 | 4.6% | 6 |
| 16 Jul 2026 | 3.4% | 5 |
| 9 Jul 2026 | 1.8% | 2 |
| 6 Jul 2026 | 1.5% | 2 |
| 2 Jul 2026 | 0.8% | 1 |
| 25 Jun 2026 | 0.6% | 1 |
| 31 May 2026 | 0.0% | 0 |
Frequently asked questions
What is the current water level of Chandan Dam?
As of July 30, 2026, Chandan Dam is at 0.7% of its capacity, holding approximately 1 hm³ of water, according to CWC data.
Is Chandan Dam reservoir full?
No. As of July 30, 2026, Chandan Dam is critically low at 0.7% of its capacity, so it is not full.
Is the water level at Chandan Dam rising or falling?
The level at Chandan Dam has been broadly stable over the latest week on record (-1.2 points).
How much water can Chandan Dam hold?
Chandan Dam has a total capacity of 136 hm³.
Where is Chandan Dam reservoir located?
Chandan Dam is located in Bihar, India, within the Ganga basin (coordinates 24.980°N, 86.820°E).
What is Chandan Dam used for?
Chandan Dam is used primarily for irrigation, and is managed by BIHAR.