Reservoir · Andhra Pradesh · India · AP-WRIMS
Penna Ahobilam Balancing Reservoir
80.1% of gross capacity
Gross capacity
5.5 TMC (155.742 MCM)
Live capacity
5.2 TMC (146.398 MCM)
Basin
Pennar
Operator
AP Water Resources Dept
Coordinates
14.791°N, 77.299°E
Last updated
2026-10-28
Capacity in TMC
Penna Ahobilam Balancing Reservoir has a gross capacity of 5.5 TMC (155.742 MCM), of which 5.2 TMC (146.398 MCM) is live storage; it is currently at 80.1% of gross capacity, holding 4.4 TMC (124.707 MCM) (85.2% of live capacity).
- Gross capacity
- 5.5 TMC (155.742 MCM)
- Live capacity
- 5.2 TMC (146.398 MCM)
- Current storage
- 4.4 TMC (124.707 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
80.1%vs 22 Oct 2026
-1.4 pplosing
vs 1 year ago
N/ATrend
↓falling
Drought context
Rain over the last three months · 11 October 2026
Extremely dry
In the three months to 11 October 2026 the area around Penna Ahobilam Balancing Reservoir had extremely little rain for the season, a shortfall seen about one year in forty. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −2.32). 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. 14.791°N, 77.299°E · Open in Google Maps
About Penna Ahobilam Balancing Reservoir
As of October 28, 2026, Penna Ahobilam Balancing Reservoir is filled to 80.1% of its gross capacity, holding 4.4 TMC (124.707 MCM) of a gross 5.5 TMC (155.742 MCM). At this level the reservoir is high. Of that total, 5.2 TMC (146.398 MCM) is live storage.
Since October 22, 2026 the fill level has fallen by 1.4 percentage points.
Across the readings we hold for Penna Ahobilam Balancing Reservoir — 14 data points between July 2, 2026 and October 28, 2026 — the level has ranged from a low of 33.9% (August 13, 2026) to a high of 81.5% (October 22, 2026).
It is operated by AP Water Resources Dept. It lies within the Pennar basin at 14.791°N, 77.299°E.
Key facts
- Current fill level
- 80.1% of total capacity
- Water stored
- 4.4 TMC (124.707 MCM)
- Total capacity
- 5.5 TMC (155.742 MCM)
- Usable capacity
- 5.2 TMC (146.398 MCM)
- Change since October 22, 2026
- ▼ 1.4 pp
- River basin
- Pennar
- Operator
- AP Water Resources Dept
- Coordinates
- 14.791°N, 77.299°E
- Last updated
- October 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Oct 2026 | 80.1% | 124.707 |
| 27 Oct 2026 | 80.1% | 125 |
| 22 Oct 2026 | 81.5% | 127 |
| 16 Sep 2026 | 65.4% | 102 |
| 9 Sep 2026 | 61.1% | 95 |
| 2 Sep 2026 | 55.7% | 87 |
| 27 Aug 2026 | 45.3% | 71 |
| 20 Aug 2026 | 35.0% | 55 |
| 13 Aug 2026 | 33.9% | 53 |
| 4 Aug 2026 | 34.8% | 54 |
| 29 Jul 2026 | 35.5% | 55 |
| 22 Jul 2026 | 36.2% | 56 |