Days of Water Left
Updated 30 Mar 20261.3 yr+
days remaining
Worst case (no rain):1.3 yr
Current trend:Won’t run out(inflow 5.0x of demand)
If seasonal rains:Won’t run out(inflow 2.1x of demand)
Reservoir storage: 10,412 / 13,222 mcft78.7%
Chennai's water at a glance
Chennai's reservoirs maintain robust 78.68% storage levels with steady inflows providing multi-year supply buffer.
- -Reservoir storage at 78.68% ensures water availability for at least 1.3 years even under pessimistic conditions, extending to 2.7 years under moderate demand scenarios.
- -Daily inflow of 112.752 mcft continues to replenish city reservoirs, maintaining the current high storage levels through consistent water supply.
- -Ward-level risk assessment shows only 2 high-risk areas out of 200 total wards, with 145 wards in moderate risk category indicating manageable distribution challenges.
- -No active alerts recorded today, reflecting stable water supply conditions across Chennai's distribution network.
Reservoirs: 2026-03-30 | Groundwater: 2024-03 | Risk scores: 2026-03-03
Reservoir Status
Chembarambakkam
78.8%2,872mcft
of 3,645 mcft capacity
In: 210Out: 207
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Red Hills (Puzhal)
75.7%2,497mcft
of 3,300 mcft capacity
In: 0Out: 207
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Poondi
85.6%2,767mcft
of 3,231 mcft capacity
In: 0Out: 317
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Veeranam
88.4%1,295mcft
of 1,465 mcft capacity
In: 1,060Out: 73
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Kannankottai
90.8%454mcft
of 500 mcft capacity
In: 15Out: 18
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Cholavaram
48.8%527mcft
of 1,081 mcft capacity
In: 0Out: 8
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Combined Storage Trend
Groundwater Health
Explore mapData may be outdated. Latest available from OpenCity / CMWSSB is Mar 2024. We're actively looking for newer sources.
5.0m
city average depth to water table
Healthiest: Murugappa Nagar (0.5m)
Most stressed: Kalpalaiyam (16.0m)
Ward distribution (194 wards)
52 healthy88 moderate12 stressed2 critical