← Back to dashboard

Poringalkuthu

Thrissur district · KSEB · Chalakudy basin · report 04 Aug 2026, 14:00 IST

Storage

49.5%

Previous 52.0%

Water level

417.95 m (1371.2 ft)

FRL 423.98 m (1391.0 ft)

Spillway release

171.7 cumecs

Latest report

Rain forecast

19 mm

Next 72h 54 mm

Storage & water level — last 30 days

Risk breakdown

Flood risk25
Landslide risk19
Reservoir stress42
Watershed saturation16
River overflow19
  • Spillway discharging 172 cumecs downstream
  • Spillway gates open — 171.65 cumecs released downstream (official remarks: All crest gates and Sluice gate #1 are in fully opened condition.)

Rule curve — seasonal operating target

No rule curve (seasonal guide curve) is published for Poringalkuthu 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
21.6°C
Humidity
98%
Rain 24h
22.8 mm
Wind
1 km/h
Gusts
14 km/h
Pressure
962 hPa

AI analysis

Poringalkuthu is at red alert, with storage rising from 54.09% to 56.93%; the water level is 419 m against an FRL of 423.98 m, and 177.08 cumecs is being spilled with all crest gates and Sluice Gate #1 fully open. The rise is being driven by 22.8 mm of rain in the past 24 hours, with another 18.8 mm forecast in 24 hours and 53.7 mm in 72 hours; the next alert would be triggered at the specified higher water-level or storage threshold, which was not provided.

  • Danger alert — Poringalkuthu · 04 Aug 2026, 02:00 IST
  • Danger alert — Poringalkuthu · 04 Aug 2026, 01:44 IST
  • Danger alert — Poringalkuthu · 03 Aug 2026, 10:14 IST

Reservoir information bulletin

Commissioned
1957
Dam type
Concrete gravity
Height
Length
Gross capacity
Live capacity
Catchment area
Full reservoir level
423.98 m (1391.0 ft)
Power station
Poringalkuthu HEP
Installed capacity
36.0 MW
Purpose
Hydroelectric
Operator
KSEB
River
Chalakudy
Basin
Chalakudy
Nearby towns
Athirappilly, Chalakudy
Emergency contact
1077

Poringalkuthu on the Chalakudy river was Kerala's second major hydel station, commissioned in 1957, and is supported today by the downstream Poringalkuthu Left Bank extension.

Chalakudy 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
PoringalkuthuThrissur417.95 / 423.981371.2 ft / 1391.0 ft49.5%172 m³/sDanger
SholayarThrissur801.38 / 811.682629.2 ft / 2663.0 ft48.7%Normal
PeringalkuthuThrissur / 424.00 / 1391.1 ftNormal