Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityInwards/MacroStabilityInwardsKernelWrapper.cs
===================================================================
diff -u -r5016 -r5017
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityInwards/MacroStabilityInwardsKernelWrapper.cs	(.../MacroStabilityInwardsKernelWrapper.cs)	(revision 5016)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityInwards/MacroStabilityInwardsKernelWrapper.cs	(.../MacroStabilityInwardsKernelWrapper.cs)	(revision 5017)
@@ -146,9 +146,14 @@
 
                 FailureMechanismParametersMStab.MStabParameters.Model = model;
 
+                double left = damKernelInput.Location.SurfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.SurfaceLevelOutside).X;
+                double right = damKernelInput.Location.SurfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.SurfaceLevelInside).X;
                 double penetrationLength = damKernelInput.Location.ModelParametersForPlLines.PenetrationLength;
+                GeometryPointString surfaceLine = damKernelInput.Location.SurfaceLine.Geometry;
+                SoilProfile1D soilProfile1D = damKernelInput.SubSoilScenario.SoilProfile2D.GetSoilProfile1D(
+                    damKernelInput.Location.SurfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.DikeTopAtPolder).X);
                 IntrusionVerticalWaterPressureType? pressureType = damKernelInput.Location.IntrusionVerticalWaterPressure;
-                Waternet waterNet = PlLinesToWaternetConverter.CreateWaternetBasedOnPlLines(plLines, damKernelInput.SubSoilScenario.SoilProfile2D, penetrationLength, pressureType);
+                Waternet waterNet = PlLinesToWaternetConverter.CreateWaternetBasedOnPlLines(plLines, soilProfile1D, surfaceLine, penetrationLength, left, right, pressureType);
 
                 macroStabilityInput.Input = fillMacroStabilityWrapperFromEngine.CreateMacroStabilityInput(damKernelInput, FailureMechanismParametersMStab.MStabParameters, waterNet);
                 fileNameForCalculation = MacroStabilityCommonHelper.GetStabilityInputFileName(damKernelInput, iterationIndex, FailureMechanismParametersMStab.MStabParameters.Model);
Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityOutwards/MacroStabilityOutwardsKernelWrapper.cs
===================================================================
diff -u -r5016 -r5017
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityOutwards/MacroStabilityOutwardsKernelWrapper.cs	(.../MacroStabilityOutwardsKernelWrapper.cs)	(revision 5016)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityOutwards/MacroStabilityOutwardsKernelWrapper.cs	(.../MacroStabilityOutwardsKernelWrapper.cs)	(revision 5017)
@@ -114,9 +114,14 @@
                               .MStabParameters.GridPosition = MStabGridPosition.Left;
                 fillMacroStabilityWrapperFromEngine.BishopCalculationGrid = MacroStabilityCommonHelper.FillBishopCalculationGrid(damKernelInput);
 
+                double left = damKernelInput.Location.SurfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.SurfaceLevelOutside).X;
+                double right = damKernelInput.Location.SurfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.SurfaceLevelInside).X;
                 double penetrationLength = damKernelInput.Location.ModelParametersForPlLines.PenetrationLength;
+                GeometryPointString surfaceLine = damKernelInput.Location.SurfaceLine.Geometry;
+                SoilProfile1D soilProfile1D = damKernelInput.SubSoilScenario.SoilProfile2D.GetSoilProfile1D(
+                    damKernelInput.Location.SurfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.DikeTopAtPolder).X);
                 IntrusionVerticalWaterPressureType? pressureType = damKernelInput.Location.IntrusionVerticalWaterPressure;
-                Waternet waterNet = PlLinesToWaternetConverter.CreateWaternetBasedOnPlLines(plLines, damKernelInput.SubSoilScenario.SoilProfile2D, penetrationLength, pressureType);
+                Waternet waterNet = PlLinesToWaternetConverter.CreateWaternetBasedOnPlLines(plLines, soilProfile1D, surfaceLine, penetrationLength, left, right, pressureType);
 
                 macroStabilityInput.Input = fillMacroStabilityWrapperFromEngine.CreateMacroStabilityInput(damKernelInput, FailureMechanismParametersMStab.MStabParameters, waterNet);
                 fileNameForCalculation = MacroStabilityCommonHelper.GetStabilityInputFileName(damKernelInput, iterationIndex, FailureMechanismParametersMStab.MStabParameters.Model);