Daily data
Which basin's dams are falling?
EPİAŞ daily data · last measurement 6 November 2026 · 17 basins
Short answer
Dam levels of 17 basins are checked every day; the lowest basins are at the top of the table below.
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Summary
The e-mail alert is currently off: no sending service is set up, so no addresses are collected. This page shows the dam level and 30-day change of 17 basins from EPİAŞ daily data, lowest first (last measurement 6 November 2026; 8 of the 25 basins have no EPİAŞ dam data).
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Today's dam levels (lowest first)
National mean 48.8% (6 November 2026, 87 dams). Scope: hydroelectric plant reservoirs whose data is published on the EPİAŞ Transparency Platform; not all dams in Türkiye. Average dam level: the simple mean of the fill ratios of all dams reporting on the last measurement day (not volume-weighted). 30-day change: the difference between this mean and its value 30 calendar days earlier (percentage points).
| Basin | Level | 30-day change | Dams |
|---|---|---|---|
| North Aegean Basin | 18.8% | +8.0 points | 1 |
| Eastern Black Sea Basin | 25.3% | −10.2 points | 4 |
| Western Mediterranean Basin | 29.0% | +2.1 points | 3 |
| Western Black Sea Basin | 31.8% | +4.0 points | 4 |
| Eastern Mediterranean Basin | 35.5% | −6.3 points | 8 |
| Marmara Basin | 41.6% | +25.2 points | 1 |
| Gediz Basin | 43.9% | +0.8 points | 1 |
| Susurluk Basin | 45.4% | −5.9 points | 4 |
| Sakarya Basin | 45.7% | +4.7 points | 7 |
| Büyük Menderes Basin | 48.2% | +4.0 points | 4 |
| Seyhan Basin | 50.6% | −13.2 points | 10 |
| Lake Van Basin | 51.3% | −1.0 points | 3 |
| Asi (Orontes) Basin | 55.3% | −8.1 points | 1 |
| Ceyhan Basin | 55.3% | −10.7 points | 10 |
| Antalya Basin | 57.5% | −4.1 points | 5 |
| Kızılırmak Basin | 57.8% | +0.8 points | 12 |
| Yeşilırmak Basin | 66.3% | −1.2 points | 9 |
Source: EPİAŞ Transparency Platform (daily). Figures are for information. Data as of: 6 November 2026.