Where does the reservoir information come from?

From the Irrigation Department's daily reservoir sheet and the Mahaweli Authority's daily report. Both update about once a day, so check the date shown. This site is independent: for spill-gate warnings follow the Disaster Management Centre and call 117.

Kaudulla Reservoir

කවුඩුල්ල · கவுடுல்லMahaweli GangaPolonnaruwa

Kaudulla reservoir is not releasing water and is 34% full. Irrigation Department, 26 Oct.

Holding

As of 26 Oct · Checked 4 min ago

34%full

16.3 of 30.0 ft

13.7 ft below full

Mahaweli Authority: 31% (23 Oct)

Irrigation Department · 26 Oct

Release now

Not releasing water

Irrigation Department · 26 Oct

Rain, day before: 0 mm; Irrigation Department · 26 Oct
Holds when full: ~128 million m³; Irrigation Department · 26 Oct
Source: Irrigation Department · 26 Oct Mahaweli Authority · 23 Oct

Recent days

History starts 23 Oct. The trend chart appears after 3 days, check back.

Fri 23
50%
No data
Mon 26
54%
No data

Water depth, % of full supply · Released downstream

Where the water goes

No river gauge of ours is directly below this reservoir.

Map of this river

On the same river

Gauges

Figures from the daily Irrigation Department and Mahaweli Authority reports. A blank there shows here as “no data”, never zero.

Common questions

Is Kaudulla releasing water?: Kaudulla reservoir is not releasing water and is 34% full. Irrigation Department, 26 Oct.
Where does the reservoir information come from?: From the Irrigation Department's daily reservoir sheet and the Mahaweli Authority's daily report. Both update about once a day, so check the date shown. This site is independent: for spill-gate warnings follow the Disaster Management Centre and call 117.