Reservoir · Andhra Pradesh · India · AP-WRIMS
Brahmamsagar Reservoir
29.7% of gross capacity
Gross capacity
17.7 TMC (502 MCM)
Live capacity
17.0 TMC (480 MCM)
Basin
Pennar
Operator
AP Water Resources Dept
Coordinates
14.802°N, 78.894°E
Last updated
2026-10-27
Capacity in TMC
Brahmamsagar Reservoir has a gross capacity of 17.7 TMC (502 MCM), of which 17.0 TMC (480 MCM) is live storage; it is currently at 29.7% of gross capacity, holding 5.3 TMC (149 MCM) (31.0% of live capacity).
- Gross capacity
- 17.7 TMC (502 MCM)
- Live capacity
- 17.0 TMC (480 MCM)
- Current storage
- 5.3 TMC (149 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 AP-WRIMS, which publishes million cubic metres. The percentage is labelled live or gross only when the stored volume matches that capacity.
Current fill
29.7%vs 22 Oct 2026
-0.5 pplosing
vs 1 year ago
N/ATrend
→stable
Drought context
Rain over the last three months · 11 October 2026
Severely dry
In the three months to 11 October 2026 the area around Brahmamsagar Reservoir had far less rain than normal, a shortfall seen about one year in fifteen. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −1.99). Rain, not storage. India drought figures →
Weekly storage
Fill history — multi-year
About this reservoir
Data source
official
Storage data: AP-WRIMS.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 14.802°N, 78.894°E · Open in Google Maps
About Brahmamsagar Reservoir
As of October 27, 2026, Brahmamsagar Reservoir is filled to 29.7% of its gross capacity, holding 5.3 TMC (149 MCM) of a gross 17.7 TMC (502 MCM). At this level the reservoir is low. Of that total, 17.0 TMC (480 MCM) is live storage.
Since October 22, 2026 the fill level has held broadly steady (-0.5 pp).
Across the readings we hold for Brahmamsagar Reservoir — 20 data points between July 2, 2026 and October 27, 2026 — the level has ranged from a low of 28.9% (October 15, 2026) to a high of 56.1% (July 2, 2026).
It is operated by AP Water Resources Dept. It lies within the Pennar basin at 14.802°N, 78.894°E.
Key facts
- Current fill level
- 29.7% of total capacity
- Water stored
- 5.3 TMC (149 MCM)
- Total capacity
- 17.7 TMC (502 MCM)
- Usable capacity
- 17.0 TMC (480 MCM)
- Change since October 22, 2026
- ▼ 0.5 pp
- River basin
- Pennar
- Operator
- AP Water Resources Dept
- Coordinates
- 14.802°N, 78.894°E
- Last updated
- October 27, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 27 Oct 2026 | 29.7% | 149 |
| 22 Oct 2026 | 30.2% | 152 |
| 15 Oct 2026 | 28.9% | 139 |
| 8 Oct 2026 | 30.5% | 147 |
| 1 Oct 2026 | 32.8% | 158 |
| 24 Sep 2026 | 34.7% | 167 |
| 17 Sep 2026 | 36.6% | 176 |
| 16 Sep 2026 | 39.7% | 199 |
| 10 Sep 2026 | 38.4% | 185 |
| 9 Sep 2026 | 41.4% | 208 |
| 3 Sep 2026 | 40.5% | 195 |
| 2 Sep 2026 | 43.3% | 218 |