Reservoir · Tamil Nadu · India · CWC
Redhills
55.6% full
Gross capacity
3.3 TMC (93 MCM)
Live capacity
3.3 TMC (93 MCM)
Basin
Chennai
Primary use
drinking
Operator
Tamil Nadu Water Resources Dept
Coordinates
13.186°N, 80.188°E
Last updated
2026-09-11
Capacity in TMC
Redhills Dam has a gross capacity of 3.3 TMC (93 MCM); it is currently at 56% full, holding 1.8 TMC (52 MCM).
- Gross capacity
- 3.3 TMC (93 MCM)
- Live capacity
- 3.3 TMC (93 MCM)
- Current storage
- 1.8 TMC (52 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
55.6%vs 7 days ago
+2.8%gaining
vs 1 year ago
N/A7-day trend
↑rising
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. 13.186, 80.188 · Open in Google Maps
About Redhills
As of September 11, 2026, Redhills is filled to 55.6% of its total capacity, holding 1.8 TMC (52 MCM) of a gross 3.3 TMC (93 MCM). At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has risen by 2.8 percentage points.
Across the readings we hold for Redhills — 6 data points between July 2, 2026 and September 11, 2026 — the level has ranged from a low of 51.1% (July 2, 2026) to a high of 55.6% (September 11, 2026).
It is operated by Tamil Nadu Water Resources Dept primarily for drinking-water supply. It lies within the Chennai basin at 13.186°N, 80.188°E.
Key facts
- Current fill level
- 55.6%
- Water stored
- 1.8 TMC (52 MCM)
- Total capacity
- 3.3 TMC (93 MCM)
- 7-day change
- ▲ 2.8 pts
- Primary use
- Drinking-water supply
- River basin
- Chennai
- Operator
- Tamil Nadu Water Resources Dept
- Coordinates
- 13.186°N, 80.188°E
- Last updated
- September 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Sep 2026 | 55.6% | 52 |
| 4 Sep 2026 | 52.9% | 49 |
| 30 Aug 2026 | 52.9% | 49 |
| 22 Aug 2026 | 52.4% | 49 |
| 14 Aug 2026 | 52.2% | 49 |
| 2 Jul 2026 | 51.1% | 48 |