Storage
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Water level
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Spillway release
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Latest report
Rain forecast
33 mm
Next 72h 66 mm
Rate of rise(derived)
Trend needs two bulletins
Projection needs 3 days of bulletins (0 held).
Downstream exposure
The downstream reach and local body list for Neriamangalam have not been transcribed from a District Disaster Management Plan yet, so none are shown.
District control room: 1077 / 04862-233111
No rule curve (seasonal guide curve) is published for Neriamangalam 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.
An AI analysis for this reservoir will appear after the next scheduled briefing.
CH₄ from flooded land × GWP-100 (27), age-adjusted
Western Ghats forest sink, 60% forest cover assumed
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vs CEA grid 0.716 kg CO₂/kWh, 35% capacity factor
Net catchment balance: Not enough data/yr (forest + sediment sinks minus reservoir methane)
Estimate, not a measurement — built from IPCC 2019 Flooded Lands factors and public dam data. Kerala does not publish measured reservoir emissions. Credits shown are indicative, not registered. How this is calculated
Every monitored structure on this river, ordered by how much water it is passing downstream right now.
| Structure | Level / FRL (m) | Storage | Inflow | Outflow | Status |
|---|---|---|---|---|---|
| Bhoothathankettu (Barrage)Ernakulam | 32.00 / 34.95105.0 ft / 114.7 ft | — | — | 32 m³/s | Controlled release — water is being released in regulated quantities, not a danger warning |
| MullaperiyarIdukki | — / 46.33— / 152.0 ft | — | — | — | No warning — below every published alert level |
| Lower Periyar (Pambla)Idukki | 250.60 / 253.00822.2 ft / 830.1 ft | 77.7% | — | — | No warning — below every published alert level |
| NeriamangalamIdukki | — / —— / — | — | — | — | No warning — below every published alert level |
| IdukkiIdukki | 721.96 / 732.432368.6 ft / 2403.0 ft | 62.7% | — | — | No warning — below every published alert level |