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.

Sugaladewi Reservoir

Moneragala

Sugaladewi reservoir is not releasing water and is 47% full. Irrigation Department, 26 Oct.

Holding

As of 26 Oct · Checked 1 min ago

47%full

16.2 of 25.0 ft

8.8 ft below full

Irrigation Department · 26 Oct

Release now

Only canal outlets are open

Outlet gates 48 cusecs

Irrigation Department · 26 Oct

Rain, day before: 0 mm; Irrigation Department · 26 Oct
Holds when full: ~2.9 million m³; Irrigation Department · 26 Oct
Source: Irrigation Department · 26 Oct

Recent days

Where the water goes

No river gauge of ours is directly below this reservoir.

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

Common questions

Is Sugaladewi releasing water?: Sugaladewi reservoir is not releasing water and is 47% 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.