Reservoir · Andhra Pradesh · India · AP-WRIMS
Owk Reservoir
75.4% of gross capacity
Gross capacity
4.1 TMC (117 MCM)
Live capacity
3.1 TMC (89 MCM)
Basin
Pennar
Operator
AP Water Resources Dept
Coordinates
15.197°N, 78.089°E
Last updated
2026-10-27
Capacity in TMC
Owk Reservoir has a gross capacity of 4.1 TMC (117 MCM), of which 3.1 TMC (89 MCM) is live storage; it is currently at 75.4% of gross capacity, holding 3.1 TMC (89 MCM) (100.0% of live capacity).
- Gross capacity
- 4.1 TMC (117 MCM)
- Live capacity
- 3.1 TMC (89 MCM)
- Current storage
- 3.1 TMC (89 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
75.4%vs 22 Oct 2026
-1.7 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 Owk 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 −2.34). 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. 15.197°N, 78.089°E · Open in Google Maps
About Owk Reservoir
As of October 27, 2026, Owk Reservoir is filled to 75.4% of its gross capacity, holding 3.1 TMC (89 MCM) of a gross 4.1 TMC (117 MCM). At this level the reservoir is within its normal operating range. Of that total, 3.1 TMC (89 MCM) is live storage.
Since October 22, 2026 the fill level has fallen by 1.7 percentage points.
Across the readings we hold for Owk Reservoir — 13 data points between July 2, 2026 and October 27, 2026 — the level has ranged from a low of 25.2% (August 13, 2026) to a high of 98.7% (September 16, 2026).
It is operated by AP Water Resources Dept. It lies within the Pennar basin at 15.197°N, 78.089°E.
Key facts
- Current fill level
- 75.4% of total capacity
- Water stored
- 3.1 TMC (89 MCM)
- Total capacity
- 4.1 TMC (117 MCM)
- Usable capacity
- 3.1 TMC (89 MCM)
- Change since October 22, 2026
- ▼ 1.7 pp
- River basin
- Pennar
- Operator
- AP Water Resources Dept
- Coordinates
- 15.197°N, 78.089°E
- Last updated
- October 27, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 27 Oct 2026 | 75.4% | 89 |
| 22 Oct 2026 | 77.1% | 91 |
| 16 Sep 2026 | 98.7% | 84 |
| 9 Sep 2026 | 92.1% | 78 |
| 2 Sep 2026 | 86.9% | 74 |
| 27 Aug 2026 | 82.8% | 70 |
| 20 Aug 2026 | 27.5% | 23 |
| 13 Aug 2026 | 25.2% | 21 |
| 4 Aug 2026 | 25.6% | 22 |
| 29 Jul 2026 | 25.6% | 22 |
| 22 Jul 2026 | 25.6% | 22 |
| 15 Jul 2026 | 26.0% | 22 |