Reservoir · Uttarakhand · India · CWC · CENTRAL region
Tehri
Tehri Dam
90.3% full
Gross capacity
125.0 TMC (3,540 MCM)
Live capacity
92.3 TMC (2,615 MCM)
River
Bhagirathi
Basin
Ganga
Primary use
multiple
Operator
THDC
Coordinates
30.378°N, 78.481°E
Last updated
2026-09-10
Capacity in TMC
Tehri Dam has a gross capacity of 125.0 TMC (3,540 MCM), of which 92.3 TMC (2,615 MCM) is live storage; it is currently at 90% full, holding 83.4 TMC (2,362 MCM).
- Gross capacity
- 125.0 TMC (3,540 MCM)
- Live capacity
- 92.3 TMC (2,615 MCM)
- Current storage
- 83.4 TMC (2,362 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
90.3%vs 7 days ago
+0.9%gaining
vs 1 year ago
-7.0%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: CENTRAL.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 30.378, 78.481 · Open in Google Maps
About Tehri Dam
As of September 10, 2026, Tehri Dam is filled to 90.3% of its total capacity, holding 83.4 TMC (2,362 MCM) of a gross 125.0 TMC (3,540 MCM). At this level the reservoir is high. Of that total, 92.3 TMC (2,615 MCM) is live storage.
Over the most recent week on record the fill level has held broadly steady (+0.9 pts), and it is 7.0 points below its level on the same date a year earlier.
Across the readings we hold for Tehri Dam — 165 data points between June 8, 2023 and September 10, 2026 — the level has ranged from a low of 0.5% (June 4, 2026) to a high of 100.0% (October 3, 2024). On average the reservoir is fullest around October and at its lowest around May.
It is operated by THDC primarily for multiple purposes. It lies within the Ganga basin at 30.378°N, 78.481°E.
Key facts
- Current fill level
- 90.3%
- Water stored
- 83.4 TMC (2,362 MCM)
- Total capacity
- 125.0 TMC (3,540 MCM)
- Usable capacity
- 92.3 TMC (2,615 MCM)
- 7-day change
- ▲ 0.9 pts
- Year-on-year
- ▼ 7.0 pts
- Primary use
- Multipurpose
- River
- Bhagirathi
- River basin
- Ganga
- Operator
- THDC
- Coordinates
- 30.378°N, 78.481°E
- Last updated
- September 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Sep 2026 | 90.3% | 2,362 |
| 3 Sep 2026 | 89.4% | 2,339 |
| 27 Aug 2026 | 79.3% | 2,073 |
| 20 Aug 2026 | 78.5% | 2,054 |
| 13 Aug 2026 | 72.5% | 1,896 |
| 6 Aug 2026 | 59.7% | 1,561 |
| 30 Jul 2026 | 47.7% | 1,246 |
| 23 Jul 2026 | 31.9% | 835 |
| 16 Jul 2026 | 22.6% | 592 |
| 9 Jul 2026 | 13.8% | 361 |
| 2 Jul 2026 | 5.5% | 143 |
| 25 Jun 2026 | 2.3% | 60 |

