Index: Ringtoets/Piping/src/Ringtoets.Piping.Data/PipingSoilProfile.cs
===================================================================
diff -u -r96a31b6c1e568fbbe87fb72f13f0a76b065bdf77 -rdc324dd8b87bdcef3d6ed1c0a8f7ee721ffadfbd
--- Ringtoets/Piping/src/Ringtoets.Piping.Data/PipingSoilProfile.cs	(.../PipingSoilProfile.cs)	(revision 96a31b6c1e568fbbe87fb72f13f0a76b065bdf77)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Data/PipingSoilProfile.cs	(.../PipingSoilProfile.cs)	(revision dc324dd8b87bdcef3d6ed1c0a8f7ee721ffadfbd)
@@ -152,7 +152,7 @@
                 {
                     currentTopAquiferLayer = null;
                 }
-                if (currentTopAquiferLayer != null && pipingSoilLayer.Top <= level)
+                if (currentTopAquiferLayer != null && pipingSoilLayer.Top < level)
                 {
                     break;
                 }