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Kallar

Idukki district · KSEB · Muthirapuzha basin · report 18 Sep 2026, 11:00 IST

No warning — below every published alert level

Storage

22.8%

Previous 22.8%

Water level

819.80 m (2689.6 ft)

FRL 824.48 m (2705.0 ft)

Spillway release

Latest report

Rain forecast

8 mm

Next 72h 36 mm

Storage & water level — last 30 days

Risk breakdown

Flood risk12
Landslide risk13
Reservoir stress19
Watershed saturation9
River overflow5
  • No official alert levels defined
  • No official alert levels are defined for this structure

Rate of rise(derived)

0.00 m / 24 h

Downstream exposure

The downstream reach and local body list for Kallar have not been transcribed from a District Disaster Management Plan yet, so none are shown.

District control room: 1077 / 04862-233111

Rule curve — seasonal operating target

No rule curve (seasonal guide curve) is published for Kallar in a form this platform can verify, so none is shown. Where an operating curve is published — as for Idukki after the 2018 floods — it is plotted against actual storage instead of being estimated.

Rainfall forecast — next 48 hours

Spillway releases

Current weather at the dam

Temperature
19.2°C
Humidity
84%
Rain 24h
10.9 mm
Wind
8 km/h
Gusts
21 km/h
Pressure
870 hPa

AI analysis

An AI analysis for this reservoir will appear after the next scheduled briefing.

Reservoir information bulletin

Commissioned
Dam type
Height
Length
Gross capacity
Live capacity
Catchment area
Full reservoir level
824.48 m (2705.0 ft)
Power station
Installed capacity
Purpose
Operator
KSEB
River
Muthirapuzha
Basin
Periyar
Nearby towns
Emergency contact
Kerala SDMA: 1077 / 0471-2364424

Muthirapuzha river system — levels & flow

Every monitored structure on this river, ordered by how much water it is passing downstream right now.

StructureLevel / FRL (m)StorageInflowOutflowStatus
KundalaIdukki1752.95 / 1758.695751.1 ft / 5770.0 ft52.0%No warning — below every published alert level
KallarIdukki819.80 / 824.482689.6 ft / 2705.0 ft22.8%No warning — below every published alert level
KallarkuttyIdukki453.80 / 456.251488.8 ft / 1496.9 ft73.0%No warning — below every published alert level
Madupetty (Mattupetty)Idukki1577.95 / 1599.595177.0 ft / 5248.0 ft22.4%No warning — below every published alert level