Index: Ringtoets/Revetment/src/Ringtoets.Revetment.Data/WaveConditionsInput.cs
===================================================================
diff -u -r07f3d67fe9512b3c8303ff09398b0a234900d546 -r8603f868116222b363f719ecea30b99685a8ec76
--- Ringtoets/Revetment/src/Ringtoets.Revetment.Data/WaveConditionsInput.cs	(.../WaveConditionsInput.cs)	(revision 07f3d67fe9512b3c8303ff09398b0a234900d546)
+++ Ringtoets/Revetment/src/Ringtoets.Revetment.Data/WaveConditionsInput.cs	(.../WaveConditionsInput.cs)	(revision 8603f868116222b363f719ecea30b99685a8ec76)
@@ -38,7 +38,6 @@
     /// </summary>
     public class WaveConditionsInput : CloneableObservable, ICalculationInput, IUseBreakWater, IUseForeshore, IHasForeshoreProfile
     {
-        private const double designWaterLevelSubstraction = 0.01;
         private const int orientationNumberOfDecimals = 2;
 
         private static readonly Range<RoundedDouble> orientationValidityRange = new Range<RoundedDouble>(new RoundedDouble(orientationNumberOfDecimals),
@@ -109,17 +108,6 @@
         }
 
         /// <summary>
-        /// Gets the upper boundary based on <see cref="Common.Data.Hydraulics.HydraulicBoundaryLocation.DesignWaterLevel"/>.
-        /// </summary>
-        public RoundedDouble UpperBoundaryDesignWaterLevel
-        {
-            get
-            {
-                return new RoundedDouble(2, AssessmentLevel - designWaterLevelSubstraction);
-            }
-        }
-
-        /// <summary>
         /// Gets or sets the lower boundary of the revetment.
         /// </summary>
         /// <exception cref="ArgumentOutOfRangeException">Thrown when value is larger than or equal to <see cref="UpperBoundaryRevetment"/>.</exception>
Index: Ringtoets/Revetment/src/Ringtoets.Revetment.Data/WaveConditionsInputExtensions.cs
===================================================================
diff -u -r8b7420d9b5ced2565ae07009fc8b5af8e1b8d5e7 -r8603f868116222b363f719ecea30b99685a8ec76
--- Ringtoets/Revetment/src/Ringtoets.Revetment.Data/WaveConditionsInputExtensions.cs	(.../WaveConditionsInputExtensions.cs)	(revision 8b7420d9b5ced2565ae07009fc8b5af8e1b8d5e7)
+++ Ringtoets/Revetment/src/Ringtoets.Revetment.Data/WaveConditionsInputExtensions.cs	(.../WaveConditionsInputExtensions.cs)	(revision 8603f868116222b363f719ecea30b99685a8ec76)
@@ -34,11 +34,11 @@
         /// Gets the water levels to perform a wave conditions calculation for.
         /// </summary>
         /// <param name="waveConditionsInput">The wave conditions input.</param>
-        /// <param name="assessmentLevel">The assessment level to use.</param>
+        /// <param name="upperBoundaryDesignWaterLevel">The upper boundary design water level to use.</param>
         /// <returns>An <see cref="IEnumerable{T}"/> containing water levels.</returns>
         /// <exception cref="ArgumentNullException">Thrown when <paramref name="waveConditionsInput"/> is <c>null</c>.</exception>
         public static IEnumerable<RoundedDouble> GetWaterLevels(this WaveConditionsInput waveConditionsInput,
-                                                                RoundedDouble assessmentLevel)
+                                                                RoundedDouble upperBoundaryDesignWaterLevel)
         {
             if (waveConditionsInput == null)
             {
@@ -47,7 +47,7 @@
 
             var waterLevels = new List<RoundedDouble>();
 
-            var upperBoundary = new RoundedDouble(2, Math.Min(waveConditionsInput.UpperBoundaryDesignWaterLevel,
+            var upperBoundary = new RoundedDouble(2, Math.Min(upperBoundaryDesignWaterLevel,
                                                               Math.Min(waveConditionsInput.UpperBoundaryRevetment,
                                                                        !double.IsNaN(waveConditionsInput.UpperBoundaryWaterLevels)
                                                                            ? waveConditionsInput.UpperBoundaryWaterLevels