What Is a Service Reservoir?

According to the trial regulations of Classification and Design Standards for Water Conservancy and Hydropower Projects (Mountain and Hilly Area) (SDJ12-78) issued by the former Ministry of Water Resources and Power, the Water Conservancy and Hydropower Project is based on its project scale, benefits, and Importance is divided into five categories.

Reservoir classification

The classification of reservoirs refers to the classification of reservoirs in China's water conservancy projects. There are five levels: large (one, two), medium and small (one, two).
It is generally built with soil, sand, stone or concrete in rivers, valleys, canals, low-lying areas, etc.
engineering
Wait for
Reservoir
Flood prevention
Flood control
irrigation
Water supply
Hydropower station
Project scale
Total storage capacity: refers to the static storage capacity of the reservoir below the check flood level.
Flood prevention storage capacity: The volume of the reservoir between the flood prevention high water level and the flood prevention limit water level, to meet the flood prevention requirements of the protection objects downstream of the reservoir.
Flood storage capacity: refers to the storage capacity between the design flood level (or check flood level) and the flood limit water level. Normal storage capacity: refers to the storage capacity of reservoirs below the normal high water level, that is, improvised storage capacity plus dead storage capacity.

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