Reservoir · Nagaland · India · CWC · EASTERN region
Doyang
Doyang HEP Dam
67.5% full
Total capacity
535 hm³
Live storage
535 hm³
River
Doyang
Basin
Brahmaputra
Primary use
hydropower
Operator
NEEPCO
Coordinates
26.420°N, 94.350°E
Last updated
2026-07-30
Current fill
67.5%vs 7 days ago
+3.6%gaining
vs 1 year ago
+24.1%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. 26.420, 94.350 · Open in Google Maps
About Doyang HEP Dam
As of July 30, 2026, Doyang HEP Dam is filled to 67.5% of its total capacity, holding roughly 361 hm³ of water out of a maximum 535 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has risen by 3.6 percentage points, and it is 24.1 points above its level on the same date a year earlier.
Across the readings we hold for Doyang HEP Dam — 66 data points between April 3, 2025 and July 30, 2026 — the level has ranged from a low of 31.4% (May 22, 2025) to a high of 69.9% (September 18, 2025). On average the reservoir is fullest around October and at its lowest around May.
It is operated by NEEPCO primarily for hydroelectric power. It lies within the Brahmaputra basin at 26.420°N, 94.350°E.
Key facts
- Current fill level
- 67.5%
- Water stored
- 361 hm³
- Total capacity
- 535 hm³
- 7-day change
- ▲ 3.6 pts
- Year-on-year
- ▲ 24.1 pts
- Primary use
- Hydroelectric power
- River
- Doyang
- River basin
- Brahmaputra
- Operator
- NEEPCO
- Coordinates
- 26.420°N, 94.350°E
- Last updated
- July 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Jul 2026 | 67.5% | 361 |
| 23 Jul 2026 | 63.9% | 342 |
| 16 Jul 2026 | 43.4% | 232 |
| 9 Jul 2026 | 41.5% | 222 |
| 2 Jul 2026 | 33.5% | 179 |
| 25 Jun 2026 | 32.1% | 172 |
| 4 Jun 2026 | 33.3% | 178 |
| 31 May 2026 | 33.3% | 178 |
| 29 May 2026 | 32.5% | 174 |
| 21 May 2026 | 32.9% | 176 |
| 14 May 2026 | 33.8% | 181 |
| 7 May 2026 | 34.4% | 184 |
Frequently asked questions
What is the current water level of Doyang HEP Dam?
As of July 30, 2026, Doyang HEP Dam is at 67.5% of its capacity, holding approximately 361 hm³ of water, according to CWC data.
Is Doyang HEP Dam reservoir full?
No. As of July 30, 2026, Doyang HEP Dam is within its normal operating range at 67.5% of its capacity, so it is not full.
Is the water level at Doyang HEP Dam rising or falling?
The level at Doyang HEP Dam is rising — it gained 3.6 percentage points over the latest week on record.
How much water can Doyang HEP Dam hold?
Doyang HEP Dam has a total capacity of 535 hm³.
Where is Doyang HEP Dam reservoir located?
Doyang HEP Dam is located in Nagaland, India, within the Brahmaputra basin (coordinates 26.420°N, 94.350°E).
What is Doyang HEP Dam used for?
Doyang HEP Dam is used primarily for hydroelectric power, and is managed by NEEPCO.