Reservoir · Tamil Nadu · India · CWC
Chembarampakkam
44.0% full
Gross capacity
3.6 TMC (103 MCM)
Live capacity
3.6 TMC (103 MCM)
River
Adayar
Basin
Chennai
Primary use
irrigation and chennai water supply
Operator
Tamil Nadu Water Resources Dept
Coordinates
13.000°N, 80.081°E
Last updated
2026-09-11
Capacity in TMC
Chembarampakkam Dam has a gross capacity of 3.6 TMC (103 MCM); it is currently at 44% full, holding 1.6 TMC (45 MCM).
- Gross capacity
- 3.6 TMC (103 MCM)
- Live capacity
- 3.6 TMC (103 MCM)
- Current storage
- 1.6 TMC (45 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 the Central Water Commission bulletin, which publishes million cubic metres.
Current fill
44.0%vs 7 days ago
-2.5%losing
vs 1 year ago
N/A7-day trend
↓falling
Weekly storage
Fill history — multi-year
About this reservoir
Data source
official
Storage data: CWC (Central Water Commission) Weekly Storage Bulletin, India.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 13.000, 80.081 · Open in Google Maps
About Chembarampakkam
As of September 11, 2026, Chembarampakkam is filled to 44.0% of its total capacity, holding 1.6 TMC (45 MCM) of a gross 3.6 TMC (103 MCM). At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has fallen by 2.5 percentage points.
Across the readings we hold for Chembarampakkam — 6 data points between July 2, 2026 and September 11, 2026 — the level has ranged from a low of 44.0% (September 11, 2026) to a high of 73.9% (July 2, 2026).
It is operated by Tamil Nadu Water Resources Dept primarily for irrigation and chennai water supply. It lies within the Chennai basin at 13.000°N, 80.081°E.
Key facts
- Current fill level
- 44.0%
- Water stored
- 1.6 TMC (45 MCM)
- Total capacity
- 3.6 TMC (103 MCM)
- 7-day change
- ▼ 2.5 pts
- Primary use
- Irrigation and chennai water supply
- River
- Adayar
- River basin
- Chennai
- Operator
- Tamil Nadu Water Resources Dept
- Coordinates
- 13.000°N, 80.081°E
- Last updated
- September 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Sep 2026 | 44.0% | 45 |
| 4 Sep 2026 | 46.5% | 48 |
| 29 Aug 2026 | 49.3% | 51 |
| 22 Aug 2026 | 51.0% | 53 |
| 14 Aug 2026 | 54.8% | 57 |
| 2 Jul 2026 | 73.9% | 76 |