Index: DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/CsvImporterTests.cs
===================================================================
diff -u -r4932 -r4933
--- DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/CsvImporterTests.cs	(.../CsvImporterTests.cs)	(revision 4932)
+++ DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/CsvImporterTests.cs	(.../CsvImporterTests.cs)	(revision 4933)
@@ -283,8 +283,38 @@
         var ex = Assert.Throws<CsvImporterAquifersException>(() => new CsvImporterAquifers(testFilePath));
         Assert.That(ex.Message, Does.Contain("The header misses the field: layer_name"));
     }
-        
+
     [Test]
+    public void AquifersImporterMissingStixFileNameTest()
+    {
+        const string importFile = "aquifers.csv";
+        string testFilePath = Path.Combine(importFolder, importFile);
+        if (File.Exists(testFilePath))
+        {
+            File.Delete(testFilePath);
+        }
+
+        CreateAquifersFileWithMissingStixFileName(testFilePath);
+        var importer = new CsvImporterAquifers(testFilePath);
+        Assert.That(importer.ErrorMessages[0], Is.EqualTo("Aquifer record 3 has no stix filename."));
+    }
+
+    [Test]
+    public void AquifersImporterMissingLayerNameTest()
+    {
+        const string importFile = "aquifers.csv";
+        string testFilePath = Path.Combine(importFolder, importFile);
+        if (File.Exists(testFilePath))
+        {
+            File.Delete(testFilePath);
+        }
+
+        CreateAquifersFileWithMissingLayerName(testFilePath);
+        var importer = new CsvImporterAquifers(testFilePath);
+        Assert.That(importer.ErrorMessages[0], Is.EqualTo("Aquifer record 3 has no layer name."));
+    }
+
+    [Test]
     public void CharacteristicPointsImporterCorrectFileTest()
     {
         const string importFile = "characteristicpoints.csv";
@@ -1032,6 +1062,7 @@
         writer.WriteLine("DWP_2.stix;L1");
         writer.WriteLine("DWP_2.stix;L1");
         writer.WriteLine("DWP_3.stix;L2");
+        writer.WriteLine(";");
     }
 
     private static void CreateAquifersFileWithIllegalHeader(string filePath)
@@ -1047,6 +1078,22 @@
         writer.WriteLine("stix_filename;aquifer_name");
         writer.WriteLine("DWP_1.stix;L1");
     }
+
+    private static void CreateAquifersFileWithMissingStixFileName(string filePath)
+    {
+        using StreamWriter writer = File.CreateText(filePath);
+        writer.WriteLine("stix_filename;layer_name");
+        writer.WriteLine("DWP_1.stix;L1");
+        writer.WriteLine(";L5");
+    }
+
+    private static void CreateAquifersFileWithMissingLayerName(string filePath)
+    {
+        using StreamWriter writer = File.CreateText(filePath);
+        writer.WriteLine("stix_filename;layer_name");
+        writer.WriteLine("DWP_1.stix;L1");
+        writer.WriteLine("DWP_1.stix;");
+    }
     
     private static void CreateFullSoilsFile(string filePath)
     {
Index: DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Translations.xml
===================================================================
diff -u -r4926 -r4933
--- DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Translations.xml	(.../Translations.xml)	(revision 4926)
+++ DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Translations.xml	(.../Translations.xml)	(revision 4933)
@@ -361,15 +361,19 @@
                  en-US="Next error occured whilst reading characteristic points in location {0} column {1} from csv: "
                  nl-NL="Tijdens het lezen van karakteristieke punten in locatie {0} in kolom {1} uit de csv trad de volgende fout op: "/>
     <Translation ID="csvSoilProfileError"
-                 en-US="Next error occured whilst reading soil profile {0} column {1}  from csv: "
+                 en-US="Next error occured whilst reading soil profile {0} column {1} from csv: "
                  nl-NL="Tijdens het lezen van 1D profiel {0} in kolom {1} uit de csv trad de volgende fout op: "/>
     <Translation ID="csvAquiferError"
-                 en-US="Next error occured whilst reading aquifer for stix filename {0} column {1}  from csv: "
-                 nl-NL="Tijdens het lezen van watervoerende laag voor stix bestand {0} in kolom {1} uit de csv trad de volgende fout op: "/>
+                 en-US="Next error occured whilst reading aquifer for column {0} from csv: "
+                 nl-NL="Tijdens het lezen van watervoerende laag voor kolom {0} uit de csv trad de volgende fout op: "/>
+    <Translation ID="noStixFileNameForAquiferRecordError" en-US="Aquifer record {0} has no stix filename."
+                 nl-NL="Record {0} met watervoerende laag data bevat geen stix bestandsnaam."/>
+    <Translation ID="noLayerNameForAquiferRecordError" en-US="Aquifer record {0} has no layer name."
+                 nl-NL="Record {0} met watervoerende laag data bevat geen laagnaam."/>
     <Translation ID="csvSegmentError" en-US="Next error occured whilst reading segment {0} column {1}  from csv: "
                  nl-NL="Tijdens het lezen van segment {0} in kolom {1} uit de csv trad de volgende fout op: "/>
     <Translation ID="csvScenarioError"
-                 en-US="Next error occured whilst reading scenario in location {0} column {1}  from csv: "
+                 en-US="Next error occured whilst reading scenario in location {0} column {1} from csv: "
                  nl-NL="Tijdens het lezen van scenario in locatie {0} in kolom {1} uit de csv trad de volgende fout op: "/>
     <Translation ID="csvLocationError" en-US="Next error occured whilst reading location {0} column {1} from csv: "
                  nl-NL="Tijdens het lezen van locatie {0} in kolom {1} uit de csv trad de volgende fout op: "/>
Index: DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Aquifer.cs
===================================================================
diff -u
--- DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Aquifer.cs	(revision 0)
+++ DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Aquifer.cs	(revision 4933)
@@ -0,0 +1,28 @@
+// Copyright (C) Stichting Deltares 2024. All rights reserved.
+// 
+// This file is part of the application DAM - UI.
+// 
+// DAM - UI is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+// 
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+namespace Deltares.Dam.Data;
+
+public class Aquifer
+{
+    public string StixFileName { get; set; }
+    public string LayerName { get; set; }
+}
\ No newline at end of file
Index: DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/IO/CombineImportedData.cs
===================================================================
diff -u -r4931 -r4933
--- DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/IO/CombineImportedData.cs	(.../CombineImportedData.cs)	(revision 4931)
+++ DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/IO/CombineImportedData.cs	(.../CombineImportedData.cs)	(revision 4933)
@@ -31,6 +31,7 @@
 using Deltares.Standard.EventPublisher;
 using Deltares.Standard.Language;
 using Deltares.Standard.Logging;
+using DGeoSuite.Common;
 
 namespace Deltares.Dam.Data.IO;
 
@@ -573,7 +574,7 @@
 
     private void TransferAquifersData(Dike dike)
     {
-    // ToDo: Aquifers
+        dike.FillImportedAquifersFromCsvFile(AquiferRecords);
     }
     
     private void TransferSurfaceLines(Dike dike)
Index: DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/IO/CombineImportedDataTest.cs
===================================================================
diff -u -r4926 -r4933
--- DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/IO/CombineImportedDataTest.cs	(.../CombineImportedDataTest.cs)	(revision 4926)
+++ DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/IO/CombineImportedDataTest.cs	(.../CombineImportedDataTest.cs)	(revision 4933)
@@ -146,6 +146,18 @@
                     // Total number of scenarios
                     Assert.That(damProjectData.WaterBoard.Dikes[0].Scenarios.Count, Is.EqualTo(19652));
 
+                    // Check aquifer data
+                    var aquifers = damProjectData.WaterBoard.Dikes[0].ImportedCsvAquifers;
+                    Assert.That(aquifers.Count, Is.EqualTo(4));
+                    Assert.That(aquifers[0].StixFileName, Is.EqualTo("DWP_1.stix"));
+                    Assert.That(aquifers[0].LayerName, Is.EqualTo("L1"));
+                    Assert.That(aquifers[1].StixFileName, Is.EqualTo("DWP_1.stix"));
+                    Assert.That(aquifers[1].LayerName, Is.EqualTo("L5"));
+                    Assert.That(aquifers[2].StixFileName, Is.EqualTo("DWP_2.stix"));
+                    Assert.That(aquifers[2].LayerName, Is.EqualTo("L1"));
+                    Assert.That(aquifers[3].StixFileName, Is.EqualTo("DWP_3.stix"));
+                    Assert.That(aquifers[3].LayerName, Is.EqualTo("L2"));
+
                     // Check if all soilprobabbilites are read
                     Segment segment = damProjectData.WaterBoard.Segments.FirstOrDefault(s => s.Name.Equals("2"));
                     var stabilityProbabilities = new List<SoilGeometryProbability>(segment.SoilProfileProbabilities.Where(
@@ -168,7 +180,7 @@
         }
 
         [Test]
-        public void TestCombiningDataFullCsv()
+        public void TestCombiningDataFull1DProjectCsv()
         {
             LogManager.Messages.Clear();
             const double tolerance = 0.001;
Index: DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/Deltares.Dam.Tests.csproj
===================================================================
diff -u -r4890 -r4933
--- DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/Deltares.Dam.Tests.csproj	(.../Deltares.Dam.Tests.csproj)	(revision 4890)
+++ DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/Deltares.Dam.Tests.csproj	(.../Deltares.Dam.Tests.csproj)	(revision 4933)
@@ -50,6 +50,9 @@
         <Reference Include="DGeoSuite.Components.Persistence">
             <HintPath>..\..\..\lib\DamEngine\DGeoSuite.Components.Persistence.dll</HintPath>
         </Reference>
+        <None Update="TestData\CSVData\ImporterTest\aquifers.csv">
+          <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+        </None>
     </ItemGroup>
     <ItemGroup>
         <None Update="TestData\HoekscheWaardCsv\characteristicpoints.csv">
Index: DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/CsvImporters/CsvImporterAquifers.cs
===================================================================
diff -u -r4930 -r4933
--- DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/CsvImporters/CsvImporterAquifers.cs	(.../CsvImporterAquifers.cs)	(revision 4930)
+++ DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/CsvImporters/CsvImporterAquifers.cs	(.../CsvImporterAquifers.cs)	(revision 4933)
@@ -25,6 +25,7 @@
 using System.IO;
 using System.Threading;
 using Deltares.Dam.Data.Importers;
+using Deltares.DamEngine.Data.Standard.Logging;
 using Deltares.Standard.IO;
 using Deltares.Standard.Language;
 using LumenWorks.Framework.IO.Csv;
@@ -82,13 +83,34 @@
                         colIndex = colIndexLayerName;
                         aquiferRecord.LayerName = csv[colIndexLayerName];
 
-                        ImportedItems.Add(aquiferRecord);
+                        if (string.IsNullOrEmpty(aquiferRecord.StixFileName) || string.IsNullOrEmpty(aquiferRecord.LayerName))
+                        {
+                            if (string.IsNullOrEmpty(aquiferRecord.StixFileName) && string.IsNullOrEmpty(aquiferRecord.LayerName))
+                            {
+                                continue; // ignore empty records
+                            }
+
+                            string recordError;
+                            if (string.IsNullOrEmpty(aquiferRecord.StixFileName))
+                            {
+                                recordError = string.Format(LocalizationManager.GetTranslatedText(GetType(), "noStixFileNameForAquiferRecordError"), index);
+                            }
+                            else
+                            {
+                                recordError = string.Format(LocalizationManager.GetTranslatedText(GetType(), "noLayerNameForAquiferRecordError"), index);
+                            }
+                            ErrorMessages.Add($"{recordError}");
+                        }
+                        else
+                        {
+                            ImportedItems.Add(aquiferRecord);
+                        }
                     }
                     catch (Exception e)
                     {
                         string csvAquiferError = string.Format(LocalizationManager.GetTranslatedText(GetType(), "csvAquiferError"), 
-                                                               aquiferRecord.StixFileName, colIndex + 1);
-                        ErrorMessages.Add($"Record {index} : {csvAquiferError + e.Message}");
+                                                               colIndex + 1);
+                        ErrorMessages.Add($"Record {index}: {csvAquiferError + e.Message}");
                     }
                 }
             }
Index: DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/TestData/CSVData/ImporterTest/aquifers.csv
===================================================================
diff -u
--- DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/TestData/CSVData/ImporterTest/aquifers.csv	(revision 0)
+++ DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/TestData/CSVData/ImporterTest/aquifers.csv	(revision 4933)
@@ -0,0 +1,6 @@
+stix_filename;layer_name
+DWP_1.stix;L1
+DWP_1.stix;L5
+DWP_2.stix;L1
+DWP_2.stix;L1
+DWP_3.stix;L2
\ No newline at end of file
Index: DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Dike.cs
===================================================================
diff -u -r4807 -r4933
--- DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Dike.cs	(.../Dike.cs)	(revision 4807)
+++ DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Dike.cs	(.../Dike.cs)	(revision 4933)
@@ -290,6 +290,33 @@
     }
 
     /// <summary>
+    /// Fill the imported aquifers from the csv file
+    /// </summary>
+    /// <param name="aquiferRecords"></param>
+    public void FillImportedAquifersFromCsvFile(IEnumerable<CsvImporterAquifers.AquiferRecord> aquiferRecords)
+    {
+        if (aquiferRecords == null)
+        {
+            return;
+        }
+
+        foreach (CsvImporterAquifers.AquiferRecord aquiferRecord in aquiferRecords)
+        {
+            Aquifer aquifer = ImportedCsvAquifers.Find(sc => sc.StixFileName == aquiferRecord.StixFileName && sc.LayerName == aquiferRecord.LayerName);
+            if (aquifer != null)
+            {
+                continue;
+            }
+            aquifer = new Aquifer
+            {
+                StixFileName = aquiferRecord.StixFileName,
+                LayerName = aquiferRecord.LayerName
+            };
+            ImportedCsvAquifers.Add(aquifer);
+        }
+    }
+
+    /// <summary>
     ///     Adapt data so it is consistent
     /// </summary>
     /// <param name="importedCsvSoils">The soils as imported from the csv file</param>
@@ -388,7 +415,8 @@
 
     internal List<Soil> ImportedCsvSoils { get; } = new();
     internal List<StressCurve> ImportedCsvStressCurves { get; } = new();
-
+    internal List<Aquifer> ImportedCsvAquifers { get; } = new();
+    
     /// <summary>
     ///     Tries to make the soil data as read for 1D profiles consistent with the data in the soil database.
     ///     In the end we have a neat soil list with parameters for every soil as read from the database.