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.

Sri Lanka Water LevelsLive river-gauge readings

Basins

Reservoirs

Batalagoda Reservoir

Deduru OyaKurunegala

Batalagoda reservoir is not releasing water and is 100% full. Irrigation Department, 26 Oct.

Holding

As of 26 Oct · Checked 9 min ago

100%full

13.0 of 13.2 ft

0.2 ft below full

Irrigation Department · 26 Oct

Release now

Only canal outlets are open

Outlet gates 40 cusecs

Irrigation Department · 26 Oct

Rain, day before: 48 mm; Irrigation Department · 26 Oct
Holds when full: ~6.0 million m³; Irrigation Department · 26 Oct
Source: Irrigation Department · 26 Oct

Recent days

Water depth, % of full supply
Spill · Release (cusecs)
Outlet gates

History starts 23 Oct 2026.

Where the water goes

GaugeReservoirWater being releasedTap a gauge or reservoir for details.

No river gauge of ours is directly below this reservoir.

Map of this river

On the same river

Gauges

Moragaswewa

Other reservoirs

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

Common questions

Is Batalagoda releasing water?: Batalagoda reservoir is not releasing water and is 100% 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.

GaugeReservoirWater being releasedTap a gauge or reservoir for details.