Index: Ringtoets/Common/src/Ringtoets.Common.IO/FileImporters/ForeshoreProfilesImporter.cs
===================================================================
diff -u -rb3b6c13cf736c134476b3db34281332d01ca86b1 -r27bbcb784f41b02ded9416b5ac0f40e4c3f99d23
--- Ringtoets/Common/src/Ringtoets.Common.IO/FileImporters/ForeshoreProfilesImporter.cs	(.../ForeshoreProfilesImporter.cs)	(revision b3b6c13cf736c134476b3db34281332d01ca86b1)
+++ Ringtoets/Common/src/Ringtoets.Common.IO/FileImporters/ForeshoreProfilesImporter.cs	(.../ForeshoreProfilesImporter.cs)	(revision 27bbcb784f41b02ded9416b5ac0f40e4c3f99d23)
@@ -57,7 +57,14 @@
 
             foreach (ForeshoreProfile foreshoreProfile in importedForeshoreProfiles)
             {
-                ImportTarget.Add(foreshoreProfile);
+                if (ImportTarget.Select(fp => fp.Id).Contains(foreshoreProfile.Id))
+                {
+                    Log.WarnFormat(Resources.ForeshoreProfilesImporter_CreateProfiles_ForeshoreProfile_0_already_imported, foreshoreProfile.Id);
+                }
+                else
+                {
+                    ImportTarget.Add(foreshoreProfile);
+                }
             }
         }
 
Index: Ringtoets/Common/src/Ringtoets.Common.IO/Properties/Resources.Designer.cs
===================================================================
diff -u -r6d5e26f9a71e8337b5973cfb20d08b8a6ea37c35 -r27bbcb784f41b02ded9416b5ac0f40e4c3f99d23
--- Ringtoets/Common/src/Ringtoets.Common.IO/Properties/Resources.Designer.cs	(.../Resources.Designer.cs)	(revision 6d5e26f9a71e8337b5973cfb20d08b8a6ea37c35)
+++ Ringtoets/Common/src/Ringtoets.Common.IO/Properties/Resources.Designer.cs	(.../Resources.Designer.cs)	(revision 27bbcb784f41b02ded9416b5ac0f40e4c3f99d23)
@@ -749,6 +749,15 @@
         }
         
         /// <summary>
+        ///   Looks up a localized string similar to Voorlandprofiel &apos;{0}&apos; is al geïmporteerd en wordt overgeslagen..
+        /// </summary>
+        public static string ForeshoreProfilesImporter_CreateProfiles_ForeshoreProfile_0_already_imported {
+            get {
+                return ResourceManager.GetString("ForeshoreProfilesImporter_CreateProfiles_ForeshoreProfile_0_already_imported", resourceCulture);
+            }
+        }
+        
+        /// <summary>
         ///   Looks up a localized string similar to Kan geen geldige gegevens vinden voor voorlandprofiellocatie met ID &apos;{0}&apos;..
         /// </summary>
         public static string ForeshoreProfilesImporter_GetMatchingForeshoreProfileData_no_foreshoreprofiledata_for_location_0_ {
Index: Ringtoets/Common/src/Ringtoets.Common.IO/Properties/Resources.resx
===================================================================
diff -u -r9ccf12127f1ce0721f8589c16289c632cb854455 -r27bbcb784f41b02ded9416b5ac0f40e4c3f99d23
--- Ringtoets/Common/src/Ringtoets.Common.IO/Properties/Resources.resx	(.../Resources.resx)	(revision 9ccf12127f1ce0721f8589c16289c632cb854455)
+++ Ringtoets/Common/src/Ringtoets.Common.IO/Properties/Resources.resx	(.../Resources.resx)	(revision 27bbcb784f41b02ded9416b5ac0f40e4c3f99d23)
@@ -643,4 +643,7 @@
   <data name="StructuresCalculationStochastAssigner_ValidateNoParametersDefined_No_structure_defined_to_add_Stochast_0" xml:space="preserve">
     <value>Er is geen kunstwerk opgegeven om de stochast '{0}' aan toe te voegen.</value>
   </data>
+  <data name="ForeshoreProfilesImporter_CreateProfiles_ForeshoreProfile_0_already_imported" xml:space="preserve">
+    <value>Voorlandprofiel '{0}' is al geïmporteerd en wordt overgeslagen.</value>
+  </data>
 </root>
\ No newline at end of file
Index: Ringtoets/Common/test/Ringtoets.Common.IO.Test/FileImporters/ForeshoreProfilesImporterTest.cs
===================================================================
diff -u -rb3b6c13cf736c134476b3db34281332d01ca86b1 -r27bbcb784f41b02ded9416b5ac0f40e4c3f99d23
--- Ringtoets/Common/test/Ringtoets.Common.IO.Test/FileImporters/ForeshoreProfilesImporterTest.cs	(.../ForeshoreProfilesImporterTest.cs)	(revision b3b6c13cf736c134476b3db34281332d01ca86b1)
+++ Ringtoets/Common/test/Ringtoets.Common.IO.Test/FileImporters/ForeshoreProfilesImporterTest.cs	(.../ForeshoreProfilesImporterTest.cs)	(revision 27bbcb784f41b02ded9416b5ac0f40e4c3f99d23)
@@ -436,6 +436,41 @@
             mockRepository.VerifyAll();
         }
 
+        [Test]
+        public void Import_ImportingAlreadyExistingForeshoreProfiles_TrueAndLogMessagesAndFiveForeshoreProfiles()
+        {
+            // Setup
+            string filePath = TestHelper.GetTestDataPath(TestDataPath.Ringtoets.Common.IO,
+                                                         Path.Combine("DikeProfiles", "AllOkTestData", "Voorlanden 12-2.shp"));
+
+            ReferenceLine referenceLine = CreateMatchingReferenceLine();
+            var assessmentSection = mockRepository.Stub<IAssessmentSection>();
+            assessmentSection.ReferenceLine = referenceLine;
+            mockRepository.ReplayAll();
+
+            var foreshoreProfiles = new ObservableList<ForeshoreProfile>();
+            var foreshoreProfilesImporter = new ForeshoreProfilesImporter(foreshoreProfiles, referenceLine, filePath);
+
+            bool importResult = foreshoreProfilesImporter.Import();
+            foreshoreProfiles.RemoveAt(3);
+
+            // Call
+            Action call = () => importResult = foreshoreProfilesImporter.Import();
+
+            // Assert
+            var expectedMessages = new[]
+            {
+                Tuple.Create("Voorlandprofiel 'profiel001' is al geïmporteerd en wordt overgeslagen.", LogLevelConstant.Warn),
+                Tuple.Create("Voorlandprofiel 'profiel002' is al geïmporteerd en wordt overgeslagen.", LogLevelConstant.Warn),
+                Tuple.Create("Voorlandprofiel 'profiel003' is al geïmporteerd en wordt overgeslagen.", LogLevelConstant.Warn),
+                Tuple.Create("Voorlandprofiel 'profiel005' is al geïmporteerd en wordt overgeslagen.", LogLevelConstant.Warn)
+            };
+            TestHelper.AssertLogMessagesWithLevelAreGenerated(call, expectedMessages, 4);
+            Assert.IsTrue(importResult);
+            Assert.AreEqual(5, foreshoreProfiles.Count);
+            mockRepository.VerifyAll();
+        }
+
         private ReferenceLine CreateMatchingReferenceLine()
         {
             var referenceLine = new ReferenceLine();