Lar
Tehran
Capacity
880 hm³
Coordinates
35.889°N, 51.997°E
Operator
Iran Water Resources Management Company (IWRMC)
5.0% full
Current fill
5.0%vs 7 days ago
0.0%stable
vs 1 year ago
N/A7-day trend
→stable
Drought context
Rain over the last three months · 1 October 2026
Near normal
In the three months to 1 October 2026 the area around Lar 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 −0.86). Rain, not storage. Iran drought figures →
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 880 hm³ |
| Usable capacity | 880 hm³ |
| Primary use | water supply |
| Operator | Iran Water Resources Management Company (IWRMC) |
| Province | Tehran |
| Autonomous community | Tehran |
| River basin |
About Lar
As of September 19, 2026, Lar is filled to 5.0% of its total capacity, holding roughly 44 hm³ of water out of a maximum 880 hm³. At this level the reservoir is critically low.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts).
Across the readings we hold for Lar — 1 data points between September 19, 2026 and September 19, 2026 — the level has ranged from a low of 5.0% (September 19, 2026) to a high of 5.0% (September 19, 2026).
It is operated by Iran Water Resources Management Company (IWRMC) primarily for water supply.
Key facts
- Current fill level
- 5.0%
- Water stored
- 44 hm³
- Total capacity
- 880 hm³
- 7-day change
- No change
- Primary use
- Water supply
- Operator
- Iran Water Resources Management Company (IWRMC)
- Coordinates
- 35.889°N, 51.997°E
- Last updated
- September 19, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 19 Sep 2026 | 5.0% | 44 |