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Karnataka

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%
Critical

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

DateFill levelVolume (hm³)
30 Jul 20268.0%20
23 Jul 20265.8%15
16 Jul 20265.4%13
9 Jul 20264.7%12
2 Jul 20263.4%9
25 Jun 20263.3%8
4 Jun 20262.5%6
31 May 20263.6%9
29 May 20262.0%5
21 May 20260.7%2
14 May 20260.3%1
7 May 20260.3%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.

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