Reservoir · Uttarakhand · India · CWC · CENTRAL region
Tehri
Tehri Dam
94.4% of live capacity
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
2026-10-22
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 94.4% of live capacity, holding 87.2 TMC (2,469 MCM).
- Gross capacity
- 125.0 TMC (3,540 MCM)
- Live capacity
- 92.3 TMC (2,615 MCM)
- Current storage
- 87.2 TMC (2,469 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 CWC, which publishes million cubic metres. The percentage is labelled live or gross only when the stored volume matches that capacity.
Current fill
94.4%vs 7 days ago
-0.8 pplosing
vs 1 year ago
-2.8 ppyear-over-year
7-day trend
→stable
Drought context
Storage vs October average
97%of normal
94.4% full on 2026-10-22, against an average of 97.0% for October across 4 years of readings (-2.6 points).
Rain over the last three months · 11 October 2026
Near normal
In the three months to 11 October 2026 the area around Tehri had rain close to normal for the season. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −0.07). Rain, not storage. India drought figures →
Weekly storage
Fill history — multi-year
About this reservoir
Data source
official
Storage data: CWC. 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°N, 78.481°E · Open in Google Maps
About Tehri Dam
As of October 22, 2026, Tehri Dam is at 94.4% of useful capacity, holding 87.2 TMC (2,469 MCM) of 92.3 TMC (2,615 MCM). Of the gross 125.0 TMC (3,540 MCM), that is 69.7%. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.8 pp), and it is 2.8 points below its level on the same date a year earlier.
Across the readings we hold for Tehri Dam — 170 data points between June 8, 2023 and October 22, 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
- 94.4% of useful capacity
- Water stored
- 87.2 TMC (2,469 MCM)
- Total capacity
- 125.0 TMC (3,540 MCM)
- Usable capacity
- 92.3 TMC (2,615 MCM)
- 7-day change
- ▼ 0.8 pp
- Year-on-year
- ▼ 2.8 pp
- Primary use
- Multipurpose
- River
- Bhagirathi
- River basin
- Ganga
- Operator
- THDC
- Coordinates
- 30.378°N, 78.481°E
- Last updated
- October 22, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 22 Oct 2026 | 94.4% | 2,469 |
| 15 Oct 2026 | 95.2% | 2,490 |
| 8 Oct 2026 | 95.2% | 2,490 |
| 1 Oct 2026 | 95.1% | 2,486 |
| 24 Sep 2026 | 94.9% | 2,483 |
| 17 Sep 2026 | 90.3% | 2,362 |
| 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 |