Reservoirs are a type of storage node. A Storage Node is a special type of node where a free water surface exists, and the hydraulic head is the elevation of the water surface above sea level. The water surface elevation of a reservoir does not change as water flows into or out of it during an extended period simulation.

Applying a Zone to a Reservoir

You can group elements together by any desired criteria through the use of zones. A Zone can contain any number of elements, and can include a combination of any or all element types. For more information on zones and their use, see Zones.

To Apply a Previously Created Zone to a Reservoir

1. Select the reservoir in the Drawing View.
2. In the Properties window, click the menu in the Zone field and select the zone you want.

Applying an HGL Pattern to a Reservoir

You can apply a pattern to reservoir elements to describe changes in hydraulic grade line (HGL) over time, such as that caused by tidal activity or when the reservoir represents a connection to another system where the pressure changes over time.

To Apply a Previously Created HGL Pattern to a Reservoir

1. Select the reservoir in the Drawing View.
2. In the Properties window, click the menu in the HGL Pattern field and select the desired pattern. To create a new pattern, select Edit Pattern... from the list to open the Patterns dialog.

For more information about Patterns, see Patterns.