JalaNet — Live dam & flood risk monitor

13 dams at danger levelKuttiyadi, Mangalam, Kanjirappuzha, Maniyar (Barrage, Karapuzha, Malankara, Neyyar, Erattayar, Poringalkuthu, Pazhassi, Kallarkutty, Kuttiady (Kakkayam), Lower Periyar (Pambla)▾

DangerKuttiyadi · Kozhikode — Spillway discharging 101 cumecs downstream. Spillway gates open — 100.90 cumecs released downstream (official remarks: 4/4 spilway shutters are fully opened. Outflow for drinking water &)
DangerMangalam · Palakkad — Only 1.16 m of freeboard left below FRL. Level 76.72 m is above the official orange rule level of 76.52 m. Spillway gates open — 26.89 cumecs released downstream (official remarks: 6/6 spillway shutter opened @30cm each)
DangerKanjirappuzha · Palakkad — Only 1.55 m of freeboard left below FRL. Spillway gates open — 15.66 cumecs released downstream (official remarks: 3/3 spillway shutter opened @10cm each, River sluice opened @2cm)
DangerManiyar (Barrage · Pathanamthitta — Spillway gates open (official remarks: 5/5 shutters opened @450cm each)
DangerKarapuzha · Wayanad — Spillway gates open — 3.94 cumecs released downstream (official remarks: 3/3 spillway shutter opened @10cm each, Outflow for drinking water)
DangerMalankara · Idukki — Heavy rainfall recorded (69 mm/24h). Only 1.18 m of freeboard left below FRL. Spillway discharging 150 cumecs downstream. Level 40.82 m is above the official blue rule level of 40.70 m. Spillway gates open — 149.83 cumecs released downstream (official remarks: 5/6 spillway shutter opened @50cm each.Outflow for Drinking)
DangerNeyyar · Thiruvananthapuram — Storage high at 92.0%. Only 0.81 m of freeboard left below FRL. Level 83.94 m is above the official orange rule level of 83.75 m. Spillway gates open — 86.86 cumecs released downstream (official remarks: 4/4 shutters opened @40cm each. Outflow for drinking water.)
DangerErattayar · Idukki — Level 748.60 m is at or above the official red rule level of 748.28 m
DangerPoringalkuthu · Thrissur — Spillway discharging 174 cumecs downstream. Spillway gates open — 173.54 cumecs released downstream (official remarks: All crest gates and Sluice gate #1 are in fully opened condition.)
DangerPazhassi · Kannur — Spillway discharging 633 cumecs downstream. Spillway gates open — 633.19 cumecs released downstream (official remarks: 12/16 shutters opened @500cm each, 3/16 shutters opened @450cm)
DangerKallarkutty · Idukki — Storage high at 96.7%. Only 0.39 m of freeboard left below FRL. Level 456.20 m is at or above the official red rule level of 455.00 m. Spillway gates open — 45.00 cumecs released downstream (official remarks: Radial gate opening: 2,3 & 4-15cm)
DangerKuttiady (Kakkayam) · Kozhikode — Storage high at 95.7%. Only 0.18 m of freeboard left below FRL. Level 230.87 m is above the official orange rule level of 230.58 m. Spillway gates open — 12.72 cumecs released downstream (official remarks: Gate 1 &2 - 0.25 ft opened)
DangerLower Periyar (Pambla) · Idukki — Storage at 100.0% of live capacity. Only 0.00 m of freeboard left below FRL. Spillway discharging 112 cumecs downstream. Level 253.00 m is at or above the official red rule level of 252.00 m. Controlled outflow of 112.00 cumecs (gates not reported open)
DangerMalankara · Idukki — 5/6 spillway shutter opened @50cm each.Outflow for Drinking
DangerManiyar (Barrage · Pathanamthitta — 5/5 shutters opened @450cm each
DangerNeyyar · Thiruvananthapuram — 4/4 shutters opened @40cm each. Outflow for drinking water.
DangerKarapuzha · Wayanad — 3/3 spillway shutter opened @10cm each, Outflow for drinking water
DangerPazhassi · Kannur — 12/16 shutters opened @500cm each, 3/16 shutters opened @450cm
DangerLower Periyar (Pambla) · Idukki — Upper vent- 1- 30cm, uv 3 - 40cm
DangerErattayar · Idukki — As per 7:00 AM
DangerKallarkutty · Idukki — Radial gate opening: 2,3 & 4-15cm
DangerKuttiyadi · Kozhikode — 4/4 spilway shutters are fully opened. Outflow for drinking water &
DangerPoringalkuthu · Thrissur — All crest gates and Sluice gate #1 are in fully opened condition.
DangerKuttiady (Kakkayam) · Kozhikode — Gate 1 &2 - 0.25 ft opened
DangerKanjirappuzha · Palakkad — 3/3 spillway shutter opened @10cm each, River sluice opened @2cm
DangerMangalam · Palakkad — 6/6 spillway shutter opened @30cm each

Source: active JalaNet risk-engine alerts and verbatim remarks in the KSDMA / KSEB / Irrigation dam report. Lower-severity advisories are on the alert timeline.

Heavy rainfallNo heavy rain forecast — peak 43 mm at Neriamangalam▾

Neriamangalam · Idukki43 / 93 mm
Moovattupuzha Valley · Ernakulam39 / 77 mm
Lower Periyar (Pambla) · Idukki35 / 75 mm
Malankara · Idukki27 / 73 mm
Peringalkuthu · Thrissur27 / 68 mm
Idukki · Idukki27 / 79 mm
Cheruthoni · Idukki27 / 79 mm
Mullaperiyar · Idukki26 / 38 mm

Source: Open-Meteo ICON/GFS, per dam coordinate
Columns: next 24 h / next 72 h catchment total
Heavy-rain threshold: IMD: 64 mm/24 h (heavy), 115 mm (very heavy)
Forecast issued: 04 Aug 2026, 06:45 IST · 8 h ago
Refresh cadence: 15 minutes
Last cross-verified: 5 min ago

AI briefLower Periyar (Pambla) is most stressed at 100% storage and FRL 253 m, spilling 144 cumecs. Kallarkutty is at 98.48% with 30 cumecs spill; Kuttiady (Kakkayam) 9▾

Lower Periyar (Pambla) is most stressed at 100% storage and FRL 253 m, spilling 144 cumecs. Kallarkutty is at 98.48% with 30 cumecs spill; Kuttiady (Kakkayam) 96.86% with 3.53 cumecs; Neyyar 92% with 86.86 cumecs; and Malankara 87% with 149.83 cumecs. Poringalkuthu has the highest listed spill, 177.08 cumecs. Further rain is expected, especially in Idukki: up to 35.4 mm in 24 hours at Lower Periyar and 78.5 mm over 72 hours near Idukki reservoir. Over the next 24–48 hours, inflows may rise, prompting wider gate openings and higher downstream releases; weaker rainfall could allow storage to ease. People near rivers and spill channels should follow official alerts.

Generated 04 Aug 2026, 11:55 IST from the latest official reports. Machine-written summary of the numbers on this page — not an official advisory.