Index: src/Deltares.DSoilModel.Forms/DSoilModelPlugin.cs
===================================================================
diff -u -r429 -r434
--- src/Deltares.DSoilModel.Forms/DSoilModelPlugin.cs	(.../DSoilModelPlugin.cs)	(revision 429)
+++ src/Deltares.DSoilModel.Forms/DSoilModelPlugin.cs	(.../DSoilModelPlugin.cs)	(revision 434)
@@ -55,7 +55,9 @@
 
         private GridViewControl materialsTable;
         private GridViewControl cptsTable;
+        private GridViewControl boringsTable;
         private DSoilModelProject project;
+
         private bool use1DProfiles = true;
         private bool use2DProfiles = true;
         private bool useBorings = true;
@@ -204,6 +206,7 @@
         {
             materialsTable.CanDelete = null;
             cptsTable.CanDelete = null;
+            boringsTable.CanDelete = null;
             
             if (null != GeometryEditor)
             {
@@ -997,7 +1000,7 @@
 
             if (UseBorings)
             {
-                var boringsTable = new GridViewControl
+                boringsTable = new GridViewControl
                 {
                     CurrentContext = Context.CurrentContext,
                     HideUnusedColumns = true,
@@ -1006,6 +1009,7 @@
                     ShowToolbar = true,
                     EnableMasterViewMode = false
                 };
+                boringsTable.CanDelete += CanDeleteBoring;
                 mainForm.RegisterTableControl(typeof(Boring), boringsTable, "Borings");
                 BindSupport.Bind<DSoilModelProject>(projectPanel, boringsTable, x => x.Borings);
                 BarButtonItem boringAddButton = FindBarButtonItem(boringsTable, "AddBarItem");
@@ -1169,6 +1173,41 @@
             return result;
         }
 
+        private bool CanDeleteBoring(object o)
+        {
+            var boring = o as Boring;
+            if (boring == null)
+            {
+                return true;
+            }
+
+            var result = true;
+            // cpt in lookups 1D
+            foreach (var lookup in Project.BoringLookup1Ds.Where(lookup => lookup.Boring == boring))
+            {
+                LogErrorCannotDelete(boring, lookup.SoilProfile1D);
+                result = false;
+            }
+
+            // cpt in lookups 2D
+            foreach (var lookup in Project.BoringLookup2Ds.Where(lookup => lookup.Boring == boring))
+            {
+                LogErrorCannotDelete(boring, lookup.SoilProfile2D);
+                result = false;
+            }
+
+            // soil in the segments
+            foreach (var sgm in Project.SoilSegments)
+            {
+                foreach (var c in sgm.Borings.Where(c => c.Boring == boring))
+                {
+                    LogErrorCannotDelete(boring, sgm);
+                    result = false;
+                }
+            }
+            return result;
+        }
+
         private void RemoveBarButtonItem(GridViewControl gridViewTable, string buttonName)
         {
             var manager = gridViewTable.Toolbar.Manager;
Index: src/Deltares.DSoilModel.Forms.Tests/DSoilModelPluginTests.cs
===================================================================
diff -u -r433 -r434
--- src/Deltares.DSoilModel.Forms.Tests/DSoilModelPluginTests.cs	(.../DSoilModelPluginTests.cs)	(revision 433)
+++ src/Deltares.DSoilModel.Forms.Tests/DSoilModelPluginTests.cs	(.../DSoilModelPluginTests.cs)	(revision 434)
@@ -218,5 +218,67 @@
             Assert.IsTrue(CanDelete(plugin, "CanDeleteCPT", cptUnused));
             Assert.IsFalse(CanDelete(plugin, "CanDeleteCPT", cptUsed));
         }
+
+        [Test]
+        public void CanDeleteBoringTest_SoilProfiles1D()
+        {
+            var p = new DSoilModelProject();
+            plugin.Project = p;
+
+            var boringUsed = new Boring();
+            var boringUnused = new Boring();
+            p.Borings.Add(boringUsed);
+            p.Borings.Add(boringUnused);
+
+            var lookup1 = new BoringLookup1D { Boring = boringUsed, SoilProfile1D = new SoilProfile1D() };
+            var lookup2 = new BoringLookup1D();
+            p.BoringLookup1Ds.Add(lookup1);
+            p.BoringLookup1Ds.Add(lookup2);
+
+            Assert.IsTrue(CanDelete(plugin, "CanDeleteBoring", boringUnused));
+            Assert.IsFalse(CanDelete(plugin, "CanDeleteBoring", boringUsed));
+        }
+        
+        [Test]
+        public void CanDeleteBoringTest_SoilProfiles2D()
+        {
+            var p = new DSoilModelProject();
+            plugin.Project = p;
+
+            var boringUsed = new Boring();
+            var boringUnused = new Boring();
+            p.Borings.Add(boringUsed);
+            p.Borings.Add(boringUnused);
+
+            var lookup1 = new BoringLookup2D { Boring = boringUsed, SoilProfile2D = new SoilProfile2D() };
+            var lookup2 = new BoringLookup2D();
+            p.BoringLookup2Ds.Add(lookup1);
+            p.BoringLookup2Ds.Add(lookup2);
+
+            Assert.IsTrue(CanDelete(plugin, "CanDeleteBoring", boringUnused));
+            Assert.IsFalse(CanDelete(plugin, "CanDeleteBoring", boringUsed));
+        }
+
+        [Test]
+        public void CanDeleteBoringTest_Segments()
+        {
+            var p = new DSoilModelProject();
+            plugin.Project = p;
+
+            var boringUsed = new Boring();
+            var boringUnused = new Boring();
+            p.Borings.Add(boringUsed);
+            p.Borings.Add(boringUnused);
+
+            var segment1 = new SoilSegment { Borings = { new BoringPerSegment { Boring = boringUsed } } };
+            var segment2 = new SoilSegment { Borings = { new BoringPerSegment() } };
+            var segment3 = new SoilSegment();
+            p.SoilSegments.Add(segment1);
+            p.SoilSegments.Add(segment2);
+            p.SoilSegments.Add(segment3);
+
+            Assert.IsTrue(CanDelete(plugin, "CanDeleteBoring", boringUnused));
+            Assert.IsFalse(CanDelete(plugin, "CanDeleteBoring", boringUsed));
+        }
     }
 }