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LowPublished fill rate
Lac du Der
Marne · EPTB Seine Grands Lacs · France
Storage
122 million m³
Capacity
341 million m³
Operator
EPTB Seine Grands Lacs
36% full
The percent is the one the operator prints next to that morning’s volume and capacity. It is not recalculated here. The rainfall forecast uses the OpenStreetMap location of this reservoir.
Current fill
36%Storage
122 million m³vs 7 days ago
—Date
2026-10-07 08:00Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Technical specifications
| River | Marne |
| Capacity | 341 million m³ |
| Capacity note | Capacité in the daily chart data |
| Operator | EPTB Seine Grands Lacs |