Reservoir · Mizoram · India · CWC · EASTERN region
Tuirial
Tuirial HEP Dam
72.2% full
Gross capacity
25.2 TMC (715 MCM)
Live capacity
25.2 TMC (715 MCM)
River
Tuirial
Basin
Barak
Primary use
hydropower
Operator
NEEPCO
Coordinates
23.830°N, 92.770°E
Last updated
2026-10-22
Capacity in TMC
Tuirial Dam has a gross capacity of 25.2 TMC (715 MCM); it is currently at 72.2% full, holding 19.1 TMC (542 MCM).
- Gross capacity
- 25.2 TMC (715 MCM)
- Live capacity
- 25.2 TMC (715 MCM)
- Current storage
- 19.1 TMC (542 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 CWC, which publishes million cubic metres. The percentage is labelled live or gross only when the stored volume matches that capacity.
Current fill
72.2%vs 7 days ago
-10.4 pplosing
vs 1 year ago
-27.6 ppyear-over-year
7-day trend
↓falling
Drought context
Storage vs October average
78%of normal
72.2% full on 2026-10-22, against an average of 92.0% for October across 2 years of readings (-19.8 points).
Rain over the last three months · 11 October 2026
Near normal
In the three months to 11 October 2026 the area around Tuirial had rain close to normal for the season. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index +0.48). Rain, not storage. India drought figures →
Weekly storage
Fill history — multi-year
About this reservoir
Data source
official
Storage data: CWC. CWC region: EASTERN.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 23.830°N, 92.770°E · Open in Google Maps
About Tuirial HEP Dam
As of October 22, 2026, Tuirial HEP Dam has a published fill of 72.2%, holding 19.1 TMC (542 MCM). Gross capacity is 25.2 TMC (715 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 10.4 percentage points, and it is 27.6 points below its level on the same date a year earlier.
Across the readings we hold for Tuirial HEP Dam — 77 data points between April 3, 2025 and October 22, 2026 — the level has ranged from a low of 0.4% (April 3, 2025) to a high of 100.0% (August 7, 2025). On average the reservoir is fullest around September and at its lowest around April.
It is operated by NEEPCO primarily for hydroelectric power. It lies within the Barak basin at 23.830°N, 92.770°E.
Key facts
- Current fill level
- 72.2%
- Water stored
- 19.1 TMC (542 MCM)
- Total capacity
- 25.2 TMC (715 MCM)
- 7-day change
- ▼ 10.4 pp
- Year-on-year
- ▼ 27.6 pp
- Primary use
- Hydroelectric power
- River
- Tuirial
- River basin
- Barak
- Operator
- NEEPCO
- Coordinates
- 23.830°N, 92.770°E
- Last updated
- October 22, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 22 Oct 2026 | 72.2% | 542 |
| 15 Oct 2026 | 82.6% | 619 |
| 8 Oct 2026 | 90.1% | 676 |
| 1 Oct 2026 | 94.5% | 709 |
| 24 Sep 2026 | 96.4% | 723 |
| 17 Sep 2026 | 100.0% | 750 |
| 10 Sep 2026 | 100.0% | 750 |
| 3 Sep 2026 | 90.8% | 681 |
| 27 Aug 2026 | 69.5% | 522 |
| 20 Aug 2026 | 66.8% | 501 |
| 13 Aug 2026 | 59.5% | 447 |
| 6 Aug 2026 | 52.1% | 391 |

