Reservoir · Karnataka · India · CWC · SOUTHERN region
Tattihalla
8.0% full
Total capacity
249 hm³
Live storage
249 hm³
Primary use
multiple
Operator
CWC
Coordinates
15.117°N, 74.785°E
Last updated
2026-07-30
Current fill
8.0%vs 7 days ago
+2.1%gaining
vs 1 year ago
-12.5%year-over-year
7-day trend
↑rising
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. 15.117, 74.785 · Open in Google Maps
About Tattihalla
As of July 30, 2026, Tattihalla is filled to 8.0% of its total capacity, holding roughly 20 hm³ of water out of a maximum 249 hm³. At this level the reservoir is critically low.
Over the most recent week on record the fill level has risen by 2.1 percentage points, and it is 12.5 points below its level on the same date a year earlier.
Across the readings we hold for Tattihalla — 160 data points between June 5, 2023 and July 30, 2026 — the level has ranged from a low of 0.0% (June 5, 2023) to a high of 88.0% (September 5, 2024). On average the reservoir is fullest around August and at its lowest around March.
It is operated by CWC primarily for multiple purposes.
Key facts
- Current fill level
- 8.0%
- Water stored
- 20 hm³
- Total capacity
- 249 hm³
- 7-day change
- ▲ 2.1 pts
- Year-on-year
- ▼ 12.5 pts
- Primary use
- Multipurpose
- Operator
- CWC
- Coordinates
- 15.117°N, 74.785°E
- Last updated
- July 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Jul 2026 | 8.0% | 20 |
| 23 Jul 2026 | 5.8% | 15 |
| 16 Jul 2026 | 5.4% | 13 |
| 9 Jul 2026 | 4.7% | 12 |
| 2 Jul 2026 | 3.4% | 9 |
| 25 Jun 2026 | 3.3% | 8 |
| 4 Jun 2026 | 2.5% | 6 |
| 31 May 2026 | 3.6% | 9 |
| 29 May 2026 | 2.0% | 5 |
| 21 May 2026 | 0.7% | 2 |
| 14 May 2026 | 0.3% | 1 |
| 7 May 2026 | 0.3% | 1 |
Frequently asked questions
What is the current water level of Tattihalla?
As of July 30, 2026, Tattihalla is at 8.0% of its capacity, holding approximately 20 hm³ of water, according to CWC data.
Is Tattihalla reservoir full?
No. As of July 30, 2026, Tattihalla is critically low at 8.0% of its capacity, so it is not full.
Is the water level at Tattihalla rising or falling?
The level at Tattihalla is rising — it gained 2.1 percentage points over the latest week on record.
How much water can Tattihalla hold?
Tattihalla has a total capacity of 249 hm³.
Where is Tattihalla reservoir located?
Tattihalla is located in Karnataka, India (coordinates 15.117°N, 74.785°E).
What is Tattihalla used for?
Tattihalla is used primarily for multiple purposes, and is managed by CWC.

