Reservoir · Andhra Pradesh · India · CWC
Cum Bum Tank
34.4% full
Gross capacity
3.0 TMC (84 MCM)
Live capacity
3.0 TMC (84 MCM)
Basin
Other
Operator
AP Water Resources Dept
Coordinates
15.591°N, 79.090°E
Last updated
2026-09-10
Capacity in TMC
Cum Bum Tank Dam has a gross capacity of 3.0 TMC (84 MCM); it is currently at 34% full, holding 1.0 TMC (29 MCM).
- Gross capacity
- 3.0 TMC (84 MCM)
- Live capacity
- 3.0 TMC (84 MCM)
- Current storage
- 1.0 TMC (29 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
34.4%vs 7 days ago
0.0%stable
vs 1 year ago
N/A7-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.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 15.591, 79.090 · Open in Google Maps
About Cum Bum Tank
As of September 10, 2026, Cum Bum Tank is filled to 34.4% of its total capacity, holding 1.0 TMC (29 MCM) of a gross 3.0 TMC (84 MCM). At this level the reservoir is low.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts).
Across the readings we hold for Cum Bum Tank — 1 data points between September 10, 2026 and September 10, 2026 — the level has ranged from a low of 34.4% (September 10, 2026) to a high of 34.4% (September 10, 2026).
It is operated by AP Water Resources Dept. It lies within the Other basin at 15.591°N, 79.090°E.
Key facts
- Current fill level
- 34.4%
- Water stored
- 1.0 TMC (29 MCM)
- Total capacity
- 3.0 TMC (84 MCM)
- 7-day change
- No change
- River basin
- Other
- Operator
- AP Water Resources Dept
- Coordinates
- 15.591°N, 79.090°E
- Last updated
- September 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Sep 2026 | 34.4% | 29 |

