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India

Reservoir · UNKNOWN · India · CWC · UNKNOWN region

Koyana

11.1% full

Total capacity

2,652 hm³

Live storage

2,652 hm³

Primary use

multiple

Operator

CWC

Coordinates

17.401°N, 73.752°E

Last updated

2026-06-04

Current fill

11.1%
Critical

vs 7 days ago

-1.2%

losing

vs 1 year ago

-10.3%

year-over-year

7-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. CWC region: UNKNOWN.

Catchment Weather

Past 30 days + 14-day forecast · Open-Meteo

Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 17.401, 73.752 · Open in Google Maps

About Koyana

As of June 4, 2026, Koyana is filled to 11.1% of its total capacity, holding roughly 295 hm³ of water out of a maximum 2,652 hm³. At this level the reservoir is critically low.

Over the most recent week on record the fill level has held broadly steady (-1.2 pts), and it is 10.3 points below its level on the same date a year earlier.

Across the readings we hold for Koyana — 59 data points between April 3, 2025 and June 4, 2026 — the level has ranged from a low of 11.1% (June 4, 2026) to a high of 100.0% (August 26, 2025). On average the reservoir is fullest around September and at its lowest around May.

It is operated by CWC primarily for multiple purposes.

Key facts

Current fill level
11.1%
Water stored
295 hm³
Total capacity
2,652 hm³
7-day change
▼ 1.2 pts
Year-on-year
▼ 10.3 pts
Primary use
Multipurpose
Operator
CWC
Coordinates
17.401°N, 73.752°E
Last updated
June 4, 2026

Recent readings

DateFill levelVolume (hm³)
4 Jun 202611.1%295
29 May 202612.4%328
21 May 202616.5%438
14 May 202621.4%567
7 May 202626.8%711
30 Apr 202629.7%789
23 Apr 202634.5%916
16 Apr 202640.0%1,062
9 Apr 202648.1%1,276
2 Apr 202653.3%1,412
27 Mar 202659.8%1,587
19 Mar 202665.3%1,731

Frequently asked questions

What is the current water level of Koyana?

As of June 4, 2026, Koyana is at 11.1% of its capacity, holding approximately 295 hm³ of water, according to CWC data.

Is Koyana reservoir full?

No. As of June 4, 2026, Koyana is critically low at 11.1% of its capacity, so it is not full.

Is the water level at Koyana rising or falling?

The level at Koyana has been broadly stable over the latest week on record (-1.2 points).

How much water can Koyana hold?

Koyana has a total capacity of 2,652 hm³.

Where is Koyana reservoir located?

Koyana is located in IN, India (coordinates 17.401°N, 73.752°E).

What is Koyana used for?

Koyana is used primarily for multiple purposes, and is managed by CWC.

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