Reservoir · Karnataka · India · CWC · SOUTHERN region
Krishnaraja Sagar (KRS)
Krishnaraja Sagara Dam
47.0% full
Gross capacity
48.4 TMC (1,370 MCM)
Live capacity
44.8 TMC (1,270 MCM)
River
Cauvery
Basin
Cauvery
Primary use
irrigation
Operator
KA
Coordinates
12.425°N, 76.575°E
Last updated
2026-09-24
Capacity in TMC
Krishnaraja Sagar (KRS) has a gross capacity of 48.4 TMC (1,370 MCM), of which 44.8 TMC (1,270 MCM) is live storage; it is currently at 47% full, holding 19.3 TMC (546 MCM).
- Gross capacity
- 48.4 TMC (1,370 MCM)
- Live capacity
- 44.8 TMC (1,270 MCM)
- Current storage
- 19.3 TMC (546 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
47.0%vs 7 days ago
+0.1%gaining
vs 1 year ago
-48.6%year-over-year
7-day trend
→stable
Drought context
Storage vs September average
71%of normal
47.0% full on 2026-09-24, against an average of 66.0% for September across 4 years of readings (-19.0 points).
Rain over the last three months · 21 September 2026
Severely dry
In the three months to 21 September 2026 the area around Krishnaraja Sagar (KRS) 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 −1.73). Rain, not storage. India drought figures →
Weekly storage
Fill history — multi-year
About this reservoir
Data source
official
Storage data: CWC (Central Water Commission) Weekly Storage Bulletin, India. 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. 12.425, 76.575 · Open in Google Maps
About Krishnaraja Sagara Dam
As of September 24, 2026, Krishnaraja Sagara Dam is filled to 47.0% of its total capacity, holding 19.3 TMC (546 MCM) of a gross 48.4 TMC (1,370 MCM). At this level the reservoir is within its normal operating range. Of that total, 44.8 TMC (1,270 MCM) is live storage.
Over the most recent week on record the fill level has held broadly steady (+0.1 pts), and it is 48.6 points below its level on the same date a year earlier.
Across the readings we hold for Krishnaraja Sagara Dam — 167 data points between June 8, 2023 and September 24, 2026 — the level has ranged from a low of 4.0% (June 22, 2023) to a high of 100.0% (July 25, 2024). On average the reservoir is fullest around October and at its lowest around May.
It is operated by KA primarily for irrigation. It lies within the Cauvery basin at 12.425°N, 76.575°E.
Key facts
- Current fill level
- 47.0%
- Water stored
- 19.3 TMC (546 MCM)
- Total capacity
- 48.4 TMC (1,370 MCM)
- Usable capacity
- 44.8 TMC (1,270 MCM)
- 7-day change
- ▲ 0.1 pts
- Year-on-year
- ▼ 48.6 pts
- Primary use
- Irrigation
- River
- Cauvery
- River basin
- Cauvery
- Operator
- KA
- Coordinates
- 12.425°N, 76.575°E
- Last updated
- September 24, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 24 Sep 2026 | 47.0% | 546 |
| 17 Sep 2026 | 46.9% | 545 |
| 10 Sep 2026 | 48.9% | 569 |
| 3 Sep 2026 | 53.8% | 626 |
| 27 Aug 2026 | 56.2% | 654 |
| 20 Aug 2026 | 54.8% | 637 |
| 13 Aug 2026 | 56.2% | 654 |
| 6 Aug 2026 | 47.2% | 549 |
| 30 Jul 2026 | 21.6% | 251 |
| 23 Jul 2026 | 21.5% | 250 |
| 16 Jul 2026 | 22.8% | 265 |
| 9 Jul 2026 | 12.5% | 145 |