Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators.Tests/KernelWrappers/MacroStabilityCommon/PlLinesToWaternetConverterTests.cs
===================================================================
diff -u -r2050 -r2961
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators.Tests/KernelWrappers/MacroStabilityCommon/PlLinesToWaternetConverterTests.cs	(.../PlLinesToWaternetConverterTests.cs)	(revision 2050)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators.Tests/KernelWrappers/MacroStabilityCommon/PlLinesToWaternetConverterTests.cs	(.../PlLinesToWaternetConverterTests.cs)	(revision 2961)
@@ -47,20 +47,24 @@
             Assert.AreEqual(0, waternet.HeadLineList[0].Points[0].Z, cDif);
             Assert.AreEqual(100, waternet.HeadLineList[0].Points[1].X, cDif);
             Assert.AreEqual(-1, waternet.HeadLineList[0].Points[1].Z, cDif);
+            
             // expected waternet lines from pl 2, 3 and 4
             Assert.AreEqual(3, waternet.WaternetLineList.Count);
+
             // expected waternet line 0 is connected to pl2 with level -6.111 + 2.1 = -4.011
             Assert.AreEqual(waternet.HeadLineList[0], waternet.WaternetLineList[0].HeadLine);
             Assert.AreEqual(0, waternet.WaternetLineList[0].Points[0].X, cDif);
             Assert.AreEqual(-4.011, waternet.WaternetLineList[0].Points[0].Z, cDif);
             Assert.AreEqual(100, waternet.WaternetLineList[0].Points[1].X, cDif);
             Assert.AreEqual(-4.011, waternet.WaternetLineList[0].Points[1].Z, cDif);
-            // expected waternet line 1 is connected to pl3 with level -2.111
+
+            // expected waternet line 1 is connected to pl3 with level -6.111
             Assert.AreEqual(waternet.HeadLineList[1], waternet.WaternetLineList[1].HeadLine);
-            Assert.AreEqual(-2.111, waternet.WaternetLineList[1].Points[0].Z, cDif);
-            // expected waternet line 2 is connected to pl4 with level -6.111
+            Assert.AreEqual(-6.111, waternet.WaternetLineList[1].Points[0].Z, cDif);
+
+            // expected waternet line 2 is connected to pl4 with level -2.111
             Assert.AreEqual(waternet.HeadLineList[2], waternet.WaternetLineList[2].HeadLine);
-            Assert.AreEqual(-6.111, waternet.WaternetLineList[2].Points[0].Z, cDif);
+            Assert.AreEqual(-2.111, waternet.WaternetLineList[2].Points[0].Z, cDif);
         }
 
         [Test]
@@ -107,8 +111,8 @@
             // expected waternet line 0 is connected to pl2 with level -6.111 + 2.1 = -4.011
             Assert.AreEqual(waternet.HeadLineList[0], waternet.WaternetLineList[0].HeadLine);
             Assert.AreEqual(-4.011, waternet.WaternetLineList[0].Points[0].Z, cDif);
-            // expected waternet line 1 is connected to pl4 with level -6.111
-            Assert.AreEqual(waternet.HeadLineList[2], waternet.WaternetLineList[1].HeadLine);
+            // expected waternet line 1 is connected to pl3 with level -6.111
+            Assert.AreEqual(waternet.HeadLineList[1], waternet.WaternetLineList[1].HeadLine);
             Assert.AreEqual(-6.111, waternet.WaternetLineList[1].Points[0].Z, cDif);
 
             // check that no waternetlines are added for pl2, pl3 and pl4 when BottomAquiferLayer is null
Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityCommon/PlLinesToWaternetConverter.cs
===================================================================
diff -u -r2050 -r2961
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityCommon/PlLinesToWaternetConverter.cs	(.../PlLinesToWaternetConverter.cs)	(revision 2050)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityCommon/PlLinesToWaternetConverter.cs	(.../PlLinesToWaternetConverter.cs)	(revision 2961)
@@ -53,9 +53,9 @@
             if (headLine != null)
             {
                 waternet.HeadLineList.Add(headLine);
-                if (soilProfile1D.InBetweenAquiferLayer != null)
+                if (soilProfile1D.BottomAquiferLayer != null)
                 {
-                    var level = soilProfile1D.InBetweenAquiferLayer.TopLevel;
+                    var level = soilProfile1D.BottomAquiferLayer.TopLevel;
                     var waternetLine = ConvertLevelToWaternetLine(level, xLeft, xRight);
                     waternetLine.HeadLine = headLine;
                     waternet.WaternetLineList.Add(waternetLine);
@@ -67,9 +67,9 @@
             if (headLine != null)
             {
                 waternet.HeadLineList.Add(headLine);
-                if (soilProfile1D.BottomAquiferLayer != null)
+                if (soilProfile1D.InBetweenAquiferLayer != null)
                 {
-                    var level = soilProfile1D.BottomAquiferLayer.TopLevel;
+                    var level = soilProfile1D.InBetweenAquiferLayer.TopLevel;
                     var waternetLine = ConvertLevelToWaternetLine(level, xLeft, xRight);
                     waternetLine.HeadLine = headLine;
                     waternet.WaternetLineList.Add(waternetLine);