Kowsar
Kohgiluyeh and Boyer-Ahmad
Capacity
545.5 hm³
Coordinates
30.594°N, 50.619°E
Operator
Iran Water Resources Management Company (IWRMC)
77.0% full
Current fill
77.0%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 Kowsar 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 −0.31). Rain, not storage. Iran drought figures →
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| Total capacity | 545.5 hm³ |
| Usable capacity | 545.5 hm³ |
| Primary use | Irrigation |
| Operator | Iran Water Resources Management Company (IWRMC) |
| Province | Kohgiluyeh and Boyer-Ahmad |
| Autonomous community | Kohgiluyeh and Boyer-Ahmad |
| River basin |
About Kowsar
As of September 19, 2026, Kowsar is filled to 77.0% of its total capacity, holding roughly 420 hm³ of water out of a maximum 546 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts).
Across the readings we hold for Kowsar — 1 data points between September 19, 2026 and September 19, 2026 — the level has ranged from a low of 77.0% (September 19, 2026) to a high of 77.0% (September 19, 2026).
It is operated by Iran Water Resources Management Company (IWRMC) primarily for irrigation.
Key facts
- Current fill level
- 77.0%
- Water stored
- 420 hm³
- Total capacity
- 546 hm³
- 7-day change
- No change
- Primary use
- Irrigation
- Operator
- Iran Water Resources Management Company (IWRMC)
- Coordinates
- 30.594°N, 50.619°E
- Last updated
- September 19, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 19 Sep 2026 | 77.0% | 420 |