Reservoir · Karnataka · India · CWC · SOUTHERN region
Gerusoppa
88.5% of gross capacity
Gross capacity
4.6 TMC (130 MCM)
Live capacity
4.6 TMC (130 MCM)
Primary use
multiple
Operator
CWC
Coordinates
14.249°N, 74.675°E
Last updated
2026-10-22
Capacity in TMC
Gerusoppa Dam has a gross capacity of 4.6 TMC (130 MCM); it is currently at 88.5% of gross capacity, holding 4.1 TMC (115 MCM).
- Gross capacity
- 4.6 TMC (130 MCM)
- Live capacity
- 4.6 TMC (130 MCM)
- Current storage
- 4.1 TMC (115 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
88.5%vs 7 days ago
+15.4 ppgaining
vs 1 year ago
+1.3 ppyear-over-year
7-day trend
↑rising
Drought context
Storage vs October average
113%of normal
88.5% full on 2026-10-22, against an average of 78.0% for October across 4 years of readings (+10.5 points).
Rain over the last three months · 11 October 2026
Extremely dry
In the three months to 11 October 2026 the area around Gerusoppa 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 −2.28). Rain, not storage. India drought figures →
Weekly storage
Fill history — multi-year
About this reservoir
Data source
official
Storage data: CWC. CWC region: SOUTHERN.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 14.249°N, 74.675°E · Open in Google Maps
About Gerusoppa
As of October 22, 2026, Gerusoppa is filled to 88.5% of its gross capacity, holding 4.1 TMC (115 MCM) of a gross 4.6 TMC (130 MCM). At this level the reservoir is high.
Over the most recent week on record the fill level has risen by 15.4 percentage points, and it is 1.3 points above its level on the same date a year earlier.
Across the readings we hold for Gerusoppa — 171 data points between June 8, 2023 and October 22, 2026 — the level has ranged from a low of 2.1% (May 1, 2025) to a high of 91.4% (May 7, 2026). On average the reservoir is fullest around December and at its lowest around August.
It is operated by CWC primarily for multiple purposes. It is at 14.249°N, 74.675°E.
Key facts
- Current fill level
- 88.5% of total capacity
- Water stored
- 4.1 TMC (115 MCM)
- Total capacity
- 4.6 TMC (130 MCM)
- 7-day change
- ▲ 15.4 pp
- Year-on-year
- ▲ 1.3 pp
- Primary use
- Multipurpose
- Operator
- CWC
- Coordinates
- 14.249°N, 74.675°E
- Last updated
- October 22, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 22 Oct 2026 | 88.5% | 115 |
| 15 Oct 2026 | 73.1% | 95 |
| 8 Oct 2026 | 68.5% | 89 |
| 1 Oct 2026 | 70.8% | 92 |
| 24 Sep 2026 | 71.5% | 93 |
| 17 Sep 2026 | 77.7% | 101 |
| 10 Sep 2026 | 76.2% | 99 |
| 3 Sep 2026 | 80.8% | 105 |
| 27 Aug 2026 | 77.7% | 101 |
| 20 Aug 2026 | 77.3% | 101 |
| 13 Aug 2026 | 80.8% | 105 |
| 6 Aug 2026 | 81.5% | 106 |