Index: Ringtoets/Piping/src/Ringtoets.Piping.IO/Configurations/PipingCalculationConfigurationSchemaIdentifiers.cs
===================================================================
diff -u -r12ccd3dc7621c2cfc790f71e2b49f7acfdce04e1 -r90a7b1fc2f33fa554a210da76d6505cc5eac598a
--- Ringtoets/Piping/src/Ringtoets.Piping.IO/Configurations/PipingCalculationConfigurationSchemaIdentifiers.cs	(.../PipingCalculationConfigurationSchemaIdentifiers.cs)	(revision 12ccd3dc7621c2cfc790f71e2b49f7acfdce04e1)
+++ Ringtoets/Piping/src/Ringtoets.Piping.IO/Configurations/PipingCalculationConfigurationSchemaIdentifiers.cs	(.../PipingCalculationConfigurationSchemaIdentifiers.cs)	(revision 90a7b1fc2f33fa554a210da76d6505cc5eac598a)
@@ -32,6 +32,11 @@
         public const string AssessmentLevelElement = "toetspeil";
 
         /// <summary>
+        /// The identifier for water level elements.
+        /// </summary>
+        public const string WaterLevelElement = "waterstand";
+
+        /// <summary>
         /// The identifier for surface line elements.
         /// </summary>
         public const string SurfaceLineElement = "profielschematisatie";