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Perunchani

28.8% of gross capacity

Gross capacity

2.9 TMC (82 MCM)

Live capacity

2.9 TMC (82 MCM)

River

Paraliyar

Basin

Kodaiyar

Primary use

irrigation/drinking

Operator

Tamil Nadu Water Resources Dept

Coordinates

8.364°N, 77.358°E

Last updated

2026-10-24

Capacity in TMC

Perunchani Dam has a gross capacity of 2.9 TMC (82 MCM); it is currently at 28.8% of gross capacity, holding 0.85 TMC (24 MCM).

Gross capacity
2.9 TMC (82 MCM)
Live capacity
2.9 TMC (82 MCM)
Current storage
0.85 TMC (24 MCM)

TMC is thousand million cubic feet, the unit used in Indian water reporting. 1 TMC = 28.3168 million cubic metres (MCM). Figures are converted from Tamil Nadu WRD, which publishes million cubic metres. The percentage is labelled live or gross only when the stored volume matches that capacity.

Current fill

28.8%
Low

vs 7 days ago

N/A

vs 1 year ago

N/A

7-day trend

N/A

Drought context

Rain over the last three months

N/A

No SPI-3 value is on file for Perunchani. The figure is left blank rather than estimated. India drought figures →

Weekly storage

Fill history — multi-year

About this reservoir

Data source

official

Storage data: Tamil Nadu WRD.

Catchment Weather

Past 30 days + 14-day forecast · Open-Meteo

About Perunchani

As of October 24, 2026, Perunchani is filled to 28.8% of its gross capacity, holding 0.85 TMC (24 MCM) of a gross 2.9 TMC (82 MCM). At this level the reservoir is low.

No reading from about a week earlier is on file, so the 7-day change is not available.

Across the readings we hold for Perunchani — 1 data points between October 24, 2026 and October 24, 2026 — the level has ranged from a low of 28.8% (October 24, 2026) to a high of 28.8% (October 24, 2026).

It is operated by Tamil Nadu Water Resources Dept primarily for irrigation/drinking. It lies within the Kodaiyar basin at 8.364°N, 77.358°E.

Key facts

Current fill level
28.8% of total capacity
Water stored
0.85 TMC (24 MCM)
Total capacity
2.9 TMC (82 MCM)
7-day change
N/A
Primary use
Irrigation/drinking
River
Paraliyar
River basin
Kodaiyar
Operator
Tamil Nadu Water Resources Dept
Coordinates
8.364°N, 77.358°E
Last updated
October 24, 2026

Recent readings

DateFill levelVolume (hm³)
24 Oct 202628.8%24

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