Index: DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Dike.cs
===================================================================
diff -u -r4569 -r4618
--- DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Dike.cs	(.../Dike.cs)	(revision 4569)
+++ DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Dike.cs	(.../Dike.cs)	(revision 4618)
@@ -248,9 +248,7 @@
                 soil.RatioCuPc = soilRecord.RatioSuPc.Value;
             }
 
-            soil.UsePop = soilRecord.UsePop;
-
-            if (soilRecord.Pop.HasValue && soilRecord.UsePop)
+            if (soilRecord.Pop.HasValue)
             {
                 soil.POP = soilRecord.Pop.Value;
             }
Index: DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/CsvImporterTestsNew.cs
===================================================================
diff -u -r4569 -r4618
--- DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/CsvImporterTestsNew.cs	(.../CsvImporterTestsNew.cs)	(revision 4569)
+++ DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/CsvImporterTestsNew.cs	(.../CsvImporterTestsNew.cs)	(revision 4618)
@@ -719,7 +719,6 @@
         Assert.That(soilRecord.ShearStrengthModel, Is.EqualTo((ShearStrengthModel) 0));
         Assert.That(soilRecord.StrengthIncreaseExponent, Is.Null);
         Assert.That(soilRecord.RatioSuPc, Is.Null);
-        Assert.That(soilRecord.UsePop, Is.False);
         Assert.That(soilRecord.Pop, Is.Null);
 
         soilRecord = soilRecords[1];
@@ -735,7 +734,6 @@
         Assert.That(soilRecord.ShearStrengthModel, Is.EqualTo((ShearStrengthModel) 0));
         Assert.That(soilRecord.StrengthIncreaseExponent, Is.Null);
         Assert.That(soilRecord.RatioSuPc, Is.Null);
-        Assert.That(soilRecord.UsePop, Is.False);
         Assert.That(soilRecord.Pop, Is.Null);
     }
 
@@ -767,7 +765,6 @@
         Assert.That(soilRecord.ShearStrengthModel, Is.EqualTo(ShearStrengthModel.CPhi));
         Assert.That(soilRecord.StrengthIncreaseExponent, Is.EqualTo(0.700));
         Assert.That(soilRecord.RatioSuPc, Is.EqualTo(0.220));
-        Assert.That(soilRecord.UsePop, Is.False);
         Assert.That(soilRecord.Pop, Is.EqualTo(10.000));
         Assert.That(soilRecord.SigmaTauCurveName, Is.EqualTo(""));
 
@@ -784,7 +781,6 @@
         Assert.That(soilRecord.ShearStrengthModel, Is.EqualTo(ShearStrengthModel.StressTable));
         Assert.That(soilRecord.StrengthIncreaseExponent, Is.EqualTo(0.700));
         Assert.That(soilRecord.RatioSuPc, Is.EqualTo(0.220));
-        Assert.That(soilRecord.UsePop, Is.False);
         Assert.That(soilRecord.Pop, Is.EqualTo(10.000));
         Assert.That(soilRecord.SigmaTauCurveName, Is.EqualTo("CurveKlei"));
 
@@ -801,7 +797,6 @@
         Assert.That(soilRecord.ShearStrengthModel, Is.EqualTo(ShearStrengthModel.CuCalculated));
         Assert.That(soilRecord.StrengthIncreaseExponent, Is.EqualTo(0.700));
         Assert.That(soilRecord.RatioSuPc, Is.EqualTo(0.220));
-        Assert.That(soilRecord.UsePop, Is.False);
         Assert.That(soilRecord.Pop, Is.EqualTo(10.000));
         Assert.That(soilRecord.SigmaTauCurveName, Is.EqualTo(""));
     }
Index: DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/DikeTest.cs
===================================================================
diff -u -r4609 -r4618
--- DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/DikeTest.cs	(.../DikeTest.cs)	(revision 4609)
+++ DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/DikeTest.cs	(.../DikeTest.cs)	(revision 4618)
@@ -260,7 +260,6 @@
                 ShearStrengthModel = ShearStrengthModel.CPhi,
                 StrengthIncreaseExponent = random.NextDouble(),
                 RatioSuPc = random.NextDouble(),
-                UsePop = true,
                 Pop = random.NextDouble()
             },
             new()
@@ -277,7 +276,6 @@
                 ShearStrengthModel = ShearStrengthModel.CuCalculated,
                 StrengthIncreaseExponent = random.NextDouble(),
                 RatioSuPc = random.NextDouble(),
-                UsePop = false,
                 Pop = random.NextDouble()
             }
         };
@@ -301,17 +299,7 @@
             Assert.That(soil.ShearStrengthModel, Is.EqualTo(soilRecord.ShearStrengthModel));
             Assert.That(soil.StrengthIncreaseExponent, Is.EqualTo(soilRecord.StrengthIncreaseExponent));
             Assert.That(soil.RatioCuPc, Is.EqualTo(soilRecord.RatioSuPc));
-            switch (i)
-            {
-                case 0:
-                    Assert.That(soil.POP, Is.EqualTo(soilRecord.Pop));
-                    break;
-                case 1:
-                    Assert.That(soil.POP, Is.NaN);
-                    break;
-            }
-
-            Assert.That(soil.UsePop, Is.EqualTo(soilRecord.UsePop));
+            Assert.That(soil.POP, Is.EqualTo(soilRecord.Pop));
         }
     }
 }
\ No newline at end of file
Index: DamClients/DamUI/trunk/src/Dam/Forms/DamContext.cs
===================================================================
diff -u -r4539 -r4618
--- DamClients/DamUI/trunk/src/Dam/Forms/DamContext.cs	(.../DamContext.cs)	(revision 4539)
+++ DamClients/DamUI/trunk/src/Dam/Forms/DamContext.cs	(.../DamContext.cs)	(revision 4618)
@@ -241,7 +241,6 @@
             StaticReflection.GetMemberName<Soil>(s => s.ShearStrengthModel),
             StaticReflection.GetMemberName<Soil>(s => s.Cohesion),
             StaticReflection.GetMemberName<Soil>(s => s.FrictionAngle),
-            StaticReflection.GetMemberName<Soil>(s => s.UsePop),
             StaticReflection.GetMemberName<Soil>(s => s.POP),
             StaticReflection.GetMemberName<Soil>(s => s.RatioCuPc),
             StaticReflection.GetMemberName<Soil>(s => s.StrengthIncreaseExponent)
Index: DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Importers/CsvColumnNames.cs
===================================================================
diff -u -r4544 -r4618
--- DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Importers/CsvColumnNames.cs	(.../CsvColumnNames.cs)	(revision 4544)
+++ DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Importers/CsvColumnNames.cs	(.../CsvColumnNames.cs)	(revision 4618)
@@ -451,11 +451,6 @@
     public const string RatioSuPcColumnName = "ratio_su_pc";
 
     /// <summary>
-    ///     use_pop
-    /// </summary>
-    public const string UsePopColumnName = "use_pop";
-
-    /// <summary>
     ///     pop
     /// </summary>
     public const string PopColumnName = "pop";
Index: DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/CsvImporters/CsvImporterSoils.cs
===================================================================
diff -u -r4544 -r4618
--- DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/CsvImporters/CsvImporterSoils.cs	(.../CsvImporterSoils.cs)	(revision 4544)
+++ DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/CsvImporters/CsvImporterSoils.cs	(.../CsvImporterSoils.cs)	(revision 4618)
@@ -80,7 +80,6 @@
                 int colIndexShearStrengthModel = CsvReaderUtilities.GetHeaderIndexByString(headers, CsvColumnNames.ShearStrengthModelColumnName);
                 int colIndexStrengthIncreaseExponent = CsvReaderUtilities.GetHeaderIndexByString(headers, CsvColumnNames.StrengthIncreaseExponentColumnName);
                 int colIndexRatioSuPc = CsvReaderUtilities.GetHeaderIndexByString(headers, CsvColumnNames.RatioSuPcColumnName);
-                int colIndexUsePop = CsvReaderUtilities.GetHeaderIndexByString(headers, CsvColumnNames.UsePopColumnName);
                 int colIndexPop = CsvReaderUtilities.GetHeaderIndexByString(headers, CsvColumnNames.PopColumnName);
                 int colIndexSigmaTauCurveName = CsvReaderUtilities.GetHeaderIndexByString(headers, CsvColumnNames.SigmaTauCurveNameColumnName);
 
@@ -116,12 +115,6 @@
                         soil.StrengthIncreaseExponent = FetchOptionalColumn(colIndexStrengthIncreaseExponent, csv);
                         soil.RatioSuPc = FetchOptionalColumn(colIndexRatioSuPc, csv);
 
-                        if (colIndexUsePop > -1)
-                        {
-                            currentColIndex = colIndexUsePop;
-                            soil.UsePop = Convert.ToBoolean(csv[currentColIndex]);
-                        }
-
                         if (colIndexSigmaTauCurveName > -1)
                         {
                             currentColIndex = colIndexSigmaTauCurveName;
@@ -185,7 +178,6 @@
         public string SigmaTauCurveName { get; set; } = "";
         public double? StrengthIncreaseExponent { get; set; }
         public double? RatioSuPc { get; set; }
-        public bool UsePop { get; set; }
         public double? Pop { get; set; }
     }
 }
\ No newline at end of file