diff --git a/DaSaSo.DatabaseConverter/Program.cs b/DaSaSo.DatabaseConverter/Program.cs
index 6fe4fac..ffea5a9 100644
--- a/DaSaSo.DatabaseConverter/Program.cs
+++ b/DaSaSo.DatabaseConverter/Program.cs
@@ -9,17 +9,19 @@ using DaSaSo.Domain.Services;
 using DaSaSo.Domain.Model;
 using DaSaSo.EntityFramework.Services;
 using DaSaSo.EntityFramework;
+using System;
+using System.Collections.Generic;
 
 Console.WriteLine("Hello, World!");
 ConvertXML convertXML = new ConvertXML();
 convertXML.parseXML();
 
-    WriteToNewDB(convertXML.GetProjekts, convertXML.imprägnierungListe);
+    //WriteToNewDB(convertXML.GetProjekts, convertXML.imprägnierungListe);
 
 Console.WriteLine("Fertig");
 
 Console.ReadLine();
-
+/*
 static void WriteToNewDB(List<Projekt> alteDB, List<Imprägnierungen> imprägnierungListe)
 {
     DaSaSoDbContextFactory daSaSoDbContextFactory = new DaSaSoDbContextFactory("Host = localhost; Database = dasaso; Username = kansan; Password = kansan");
@@ -33,7 +35,7 @@ static void WriteToNewDB(List<Projekt> alteDB, List<Imprägnierungen> imprägnie
     /*Client dummy = new Client()
     {
         Firstname = "NaN"
-    };*/
+    };
     avaibleClients.Add(dummy);
     IEnumerable<Auftraggeber> d = alteDB.Select(s => s.Auftraggeber).Where(m => m != null);
     var m = d.Select(f => f.Name).Distinct();
@@ -235,3 +237,4 @@ static void WriteToNewDB(List<Projekt> alteDB, List<Imprägnierungen> imprägnie
     
     
 }
+    */
\ No newline at end of file
diff --git a/DaSaSo.Domain/Enums/ESewerWindowViewType.cs b/DaSaSo.Domain/Enums/ESewerWindowViewType.cs
new file mode 100644
index 0000000..1626b5c
--- /dev/null
+++ b/DaSaSo.Domain/Enums/ESewerWindowViewType.cs
@@ -0,0 +1,8 @@
+namespace DaSaSo.Domain.Enums
+{
+    public enum ESewerWindowViewType
+    {
+        SewerStammdaten,
+        SewerDamageList
+    }
+}
diff --git a/DaSaSo.Domain/Model/SewerObject.cs b/DaSaSo.Domain/Model/SewerObject.cs
index 812c75f..f577599 100644
--- a/DaSaSo.Domain/Model/SewerObject.cs
+++ b/DaSaSo.Domain/Model/SewerObject.cs
@@ -1,4 +1,5 @@
 using DaSaSo.Domain.Enums;
+using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations.Schema;
 
 namespace DaSaSo.Domain.Model
diff --git a/DaSaSo.EntityFramework/DaSaSo.EntityFramework.csproj b/DaSaSo.EntityFramework/DaSaSo.EntityFramework.csproj
index 6d63651..93d88e2 100644
--- a/DaSaSo.EntityFramework/DaSaSo.EntityFramework.csproj
+++ b/DaSaSo.EntityFramework/DaSaSo.EntityFramework.csproj
@@ -6,12 +6,12 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="6.0.0-preview.7.21378.4" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="6.0.0-preview.7.21378.4">
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="6.0.0-rc.1.21452.10" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="6.0.0-rc.1.21452.10">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="6.0.0-preview7" />
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="6.0.0-rc.1" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/DaSaSo.ViewModel/Commands/UpdateCurrentSewerViewModelCommand.cs b/DaSaSo.ViewModel/Commands/UpdateCurrentSewerViewModelCommand.cs
new file mode 100644
index 0000000..bd050d3
--- /dev/null
+++ b/DaSaSo.ViewModel/Commands/UpdateCurrentSewerViewModelCommand.cs
@@ -0,0 +1,32 @@
+using DaSaSo.Domain.Enums;
+using DaSaSo.ViewModel.Interface;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DaSaSo.ViewModel.Commands
+{
+    class UpdateCurrentSewerViewModelCommand : AsyncCommandBase
+    {
+        private INavigator _navigator;
+        private readonly IViewModelSewerMainFactory _viewModelFactory;
+
+        public UpdateCurrentSewerViewModelCommand(INavigator navigator, IViewModelSewerMainFactory viewModelFactory)
+        {
+            _navigator = navigator;
+            _viewModelFactory = viewModelFactory;
+        }
+
+        public override async Task ExecuteAsync(object? parameter)
+        {
+            if (parameter is ESewerWindowViewType)
+            {
+                ESewerWindowViewType viewType = (ESewerWindowViewType)parameter;
+                _navigator.CurrentViewModel = _viewModelFactory.CreateViewModel(viewType);
+                //throw new NotImplementedException(parameter.GetType().ToString());
+            }
+        }
+    }
+}
diff --git a/DaSaSo.ViewModel/Commands/UpdateCurrentViewModelCommand.cs b/DaSaSo.ViewModel/Commands/UpdateCurrentViewModelCommand.cs
index b996b73..aae6ea7 100644
--- a/DaSaSo.ViewModel/Commands/UpdateCurrentViewModelCommand.cs
+++ b/DaSaSo.ViewModel/Commands/UpdateCurrentViewModelCommand.cs
@@ -1,6 +1,8 @@
 using DaSaSo.Domain.Enums;
 using DaSaSo.ViewModel.Enums;
 using DaSaSo.ViewModel.Interface;
+using System;
+using System.Threading.Tasks;
 using System.Windows.Input;
 
 namespace DaSaSo.ViewModel.Commands
diff --git a/DaSaSo.ViewModel/DaSaSo.ViewModel.csproj b/DaSaSo.ViewModel/DaSaSo.ViewModel.csproj
index b7f4dbc..d4933eb 100644
--- a/DaSaSo.ViewModel/DaSaSo.ViewModel.csproj
+++ b/DaSaSo.ViewModel/DaSaSo.ViewModel.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Toolkit.Mvvm" Version="7.1.0-rc1" />
+    <PackageReference Include="Microsoft.Toolkit.Mvvm" Version="7.1.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/DaSaSo.ViewModel/Factories/MainWindowViewModelFactory.cs b/DaSaSo.ViewModel/Factories/MainWindowViewModelFactory.cs
index b32035c..11e4bbb 100644
--- a/DaSaSo.ViewModel/Factories/MainWindowViewModelFactory.cs
+++ b/DaSaSo.ViewModel/Factories/MainWindowViewModelFactory.cs
@@ -1,5 +1,6 @@
 using DaSaSo.Domain.Enums;
 using DaSaSo.ViewModel.Interface;
+using System;
 
 namespace DaSaSo.ViewModel.Factories
 {
@@ -11,7 +12,7 @@ namespace DaSaSo.ViewModel.Factories
         private CreateViewModel<ProjectListViewModel> _createProjektListViewModel;
         private CreateViewModel<BuildingsiteListViewModel> _createBuildingsiteListViewModel;
         private CreateViewModel<SewerObjectListViewModel> _createSewerObjectListViewModel;
-        private CreateViewModel<SewerMainMenuListViewModel> _createSewerMainMenuListViewModel;
+        private CreateViewModel<SewerMainListViewModel> _createSewerMainMenuListViewModel;
 
         public MainWindowViewModelFactory(
             CreateViewModel<HomeViewModel> createHomeViewModel,
@@ -20,7 +21,7 @@ namespace DaSaSo.ViewModel.Factories
             CreateViewModel<ProjectListViewModel> createProjektListViewModel,
             CreateViewModel<BuildingsiteListViewModel> createBuildingsiteListViewModel,
             CreateViewModel<SewerObjectListViewModel> createSewerObjectListViewModel,
-            CreateViewModel<SewerMainMenuListViewModel> createSewerMainMenuListViewModel
+            CreateViewModel<SewerMainListViewModel> createSewerMainMenuListViewModel
             )
         {
             _createHomeViewModel = createHomeViewModel;
diff --git a/DaSaSo.ViewModel/Factories/SewerWindowViewModelFactory.cs b/DaSaSo.ViewModel/Factories/SewerWindowViewModelFactory.cs
new file mode 100644
index 0000000..771b1c9
--- /dev/null
+++ b/DaSaSo.ViewModel/Factories/SewerWindowViewModelFactory.cs
@@ -0,0 +1,37 @@
+using DaSaSo.Domain.Enums;
+using DaSaSo.ViewModel.Interface;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DaSaSo.ViewModel.Factories
+{
+    public class SewerWindowViewModelFactory : IViewModelSewerMainFactory
+    {
+        private CreateViewModel<SewerStammdatenViewModel> _createSewerStammdatenViewModel;
+        private CreateViewModel<SewerDamageListViewModel> _createSewerDamageListViewModel;
+
+        public SewerWindowViewModelFactory(
+            CreateViewModel<SewerStammdatenViewModel> createSewerStammdatenViewModel,
+            CreateViewModel<SewerDamageListViewModel> createSewerDamageListViewModel
+            
+            )
+        {
+            _createSewerStammdatenViewModel = createSewerStammdatenViewModel;
+            _createSewerDamageListViewModel = createSewerDamageListViewModel;
+        }
+
+        public BaseViewModel CreateViewModel(ESewerWindowViewType viewType)
+        {
+            switch (viewType)
+            {
+                case ESewerWindowViewType.SewerStammdaten: return _createSewerStammdatenViewModel();
+                case ESewerWindowViewType.SewerDamageList: return _createSewerDamageListViewModel();
+                default:
+                    throw new ArgumentException("The Viewtype does not have a ViewModel", "viewType");
+            }
+        }
+    }
+}
diff --git a/DaSaSo.ViewModel/Interface/IMainWindowNavigator.cs b/DaSaSo.ViewModel/Interface/IMainWindowNavigator.cs
new file mode 100644
index 0000000..96d3d10
--- /dev/null
+++ b/DaSaSo.ViewModel/Interface/IMainWindowNavigator.cs
@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DaSaSo.ViewModel.Interface
+{
+    public interface IMainWindowNavigator : INavigator
+    {
+    }
+}
diff --git a/DaSaSo.ViewModel/Interface/ISewerMainNavigator.cs b/DaSaSo.ViewModel/Interface/ISewerMainNavigator.cs
new file mode 100644
index 0000000..87c5d7f
--- /dev/null
+++ b/DaSaSo.ViewModel/Interface/ISewerMainNavigator.cs
@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DaSaSo.ViewModel.Interface
+{
+    public interface ISewerMainNavigator : INavigator
+    {
+    }
+}
diff --git a/DaSaSo.ViewModel/Interface/IViewModelSewerMainFactory.cs b/DaSaSo.ViewModel/Interface/IViewModelSewerMainFactory.cs
new file mode 100644
index 0000000..c0de81b
--- /dev/null
+++ b/DaSaSo.ViewModel/Interface/IViewModelSewerMainFactory.cs
@@ -0,0 +1,14 @@
+using DaSaSo.Domain.Enums;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DaSaSo.ViewModel.Interface
+{
+    public  interface IViewModelSewerMainFactory
+    {
+        BaseViewModel CreateViewModel(ESewerWindowViewType viewType);
+    }
+}
diff --git a/DaSaSo.ViewModel/SewerMainMenuListViewModel.cs b/DaSaSo.ViewModel/SewerDamageListViewModel.cs
similarity index 73%
rename from DaSaSo.ViewModel/SewerMainMenuListViewModel.cs
rename to DaSaSo.ViewModel/SewerDamageListViewModel.cs
index 2983d8e..5150424 100644
--- a/DaSaSo.ViewModel/SewerMainMenuListViewModel.cs
+++ b/DaSaSo.ViewModel/SewerDamageListViewModel.cs
@@ -6,7 +6,7 @@ using System.Threading.Tasks;
 
 namespace DaSaSo.ViewModel
 {
-    public class SewerMainMenuListViewModel : BaseViewModel
+    public class SewerDamageListViewModel : BaseViewModel
     {
     }
 }
diff --git a/DaSaSo.ViewModel/SewerMainListViewModel.cs b/DaSaSo.ViewModel/SewerMainListViewModel.cs
new file mode 100644
index 0000000..6d0a567
--- /dev/null
+++ b/DaSaSo.ViewModel/SewerMainListViewModel.cs
@@ -0,0 +1,31 @@
+using DaSaSo.ViewModel.Commands;
+using DaSaSo.ViewModel.Interface;
+using Microsoft.Toolkit.Mvvm.Input;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Input;
+
+namespace DaSaSo.ViewModel
+{
+    public class SewerMainListViewModel : BaseViewModel
+    {
+        private ISewerMainNavigator _navigator { get; set; }
+        private IActualProject _actualProject {  get; set; }
+        public ICommand UpdateCurrentSewerViewModelCommand { get; }
+        public BaseViewModel CurrentSewerViewModel => _navigator.CurrentViewModel;
+
+        public SewerMainListViewModel(ISewerMainNavigator navigator,IActualProject actualProject, IViewModelSewerMainFactory viewModelFactory)
+        {
+            _navigator = navigator;
+            _actualProject = actualProject;
+            UpdateCurrentSewerViewModelCommand = new UpdateCurrentSewerViewModelCommand(_navigator, viewModelFactory);
+            _navigator.StateChanged += () =>
+            {
+                OnPropertyChanged(nameof(CurrentSewerViewModel));
+            }; //_navigator_StateChanged;
+        }
+    }
+}
diff --git a/DaSaSo.ViewModel/SewerStammdatenViewModel.cs b/DaSaSo.ViewModel/SewerStammdatenViewModel.cs
new file mode 100644
index 0000000..318dd6c
--- /dev/null
+++ b/DaSaSo.ViewModel/SewerStammdatenViewModel.cs
@@ -0,0 +1,65 @@
+using DaSaSo.Domain.Model;
+using DaSaSo.ViewModel.Interface;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DaSaSo.ViewModel
+{
+    public class SewerStammdatenViewModel : BaseViewModel
+    {
+        private readonly IActualProject _actualProject;
+        private SewerObject _model;
+
+        public string Haltungsname
+        {
+            get => _model.ObjektName;
+            set
+            {
+                if(_model.ObjektName != value)
+                {
+                    _model.ObjektName = value;
+                    OnPropertyChanged();
+                }
+            }
+        }
+        public string Oberepunkt { get; set; }
+        public string Unterepunkt { get; set; }
+        public string Durchmesser { get; set; }
+        public string Material { get; set; }
+        public decimal Leitungslenght {
+            get => _model.SewerLength;
+            set
+            {
+                if(_model.SewerLength != value)
+                {
+                    _model.SewerLength = value;
+                    OnPropertyChanged();
+                }
+            }
+        }
+        public string Strasse
+        {
+            get => _model.StreetName;
+            set
+            {
+                if (_model.StreetName != value)
+                {
+                    _model.StreetName = value;
+                    OnPropertyChanged();
+                }
+            }
+        }
+        public string Ort
+        {
+            get;set;
+        }
+        public SewerStammdatenViewModel(IActualProject actualProject)
+        {
+            _actualProject = actualProject;
+            _model = actualProject.AktuellSewerObject;
+        }
+    }
+}
diff --git a/DaSaSo.ViewModel/State/Navigation/Navigator.cs b/DaSaSo.ViewModel/State/Navigation/MainWindowNavigator.cs
similarity index 86%
rename from DaSaSo.ViewModel/State/Navigation/Navigator.cs
rename to DaSaSo.ViewModel/State/Navigation/MainWindowNavigator.cs
index f0aeef2..61c1760 100644
--- a/DaSaSo.ViewModel/State/Navigation/Navigator.cs
+++ b/DaSaSo.ViewModel/State/Navigation/MainWindowNavigator.cs
@@ -1,12 +1,13 @@
 using DaSaSo.ViewModel.Commands;
 using DaSaSo.ViewModel.Interface;
+using System;
 using System.ComponentModel;
 using System.Runtime.CompilerServices;
 using System.Windows.Input;
 
 namespace DaSaSo.ViewModel.State.Navigation
 {
-    public class Navigator : ObservableObject, INavigator
+    public class MainWindowNavigator : ObservableObject, IMainWindowNavigator
     {
         
         private BaseViewModel _currentViewModel;
diff --git a/DaSaSo.ViewModel/State/Navigation/SewerMainNavigator.cs b/DaSaSo.ViewModel/State/Navigation/SewerMainNavigator.cs
new file mode 100644
index 0000000..f115f1a
--- /dev/null
+++ b/DaSaSo.ViewModel/State/Navigation/SewerMainNavigator.cs
@@ -0,0 +1,25 @@
+using DaSaSo.ViewModel.Interface;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DaSaSo.ViewModel.State.Navigation
+{
+    public class SewerMainNavigator : ISewerMainNavigator
+    {
+        private BaseViewModel _currentViewModel;
+        public BaseViewModel CurrentViewModel
+        {
+            get => _currentViewModel;
+            set
+            {
+                _currentViewModel?.Dispose();
+                _currentViewModel = value;
+                StateChanged?.Invoke();
+            }
+        }
+        public event Action StateChanged;
+    }
+}
diff --git a/DaSaSo.ViewModel/State/Navigation/ViewModelDelegateRenavigator.cs b/DaSaSo.ViewModel/State/Navigation/ViewModelDelegateRenavigator.cs
index 0a23d1c..d7714d7 100644
--- a/DaSaSo.ViewModel/State/Navigation/ViewModelDelegateRenavigator.cs
+++ b/DaSaSo.ViewModel/State/Navigation/ViewModelDelegateRenavigator.cs
@@ -9,10 +9,10 @@ namespace DaSaSo.ViewModel.State.Navigation
 {
     public class ViewModelDelegateRenavigator : IRenavigator
     {
-        private readonly INavigator _navigator;
+        private readonly IMainWindowNavigator _navigator;
         
 
-        public ViewModelDelegateRenavigator(INavigator navigator)
+        public ViewModelDelegateRenavigator(IMainWindowNavigator navigator)
         {
             _navigator = navigator;
         }
diff --git a/DaSaSo.ViewModel/Window/MainWindowViewModel.cs b/DaSaSo.ViewModel/Window/MainWindowViewModel.cs
index 5b21939..6a6fed0 100644
--- a/DaSaSo.ViewModel/Window/MainWindowViewModel.cs
+++ b/DaSaSo.ViewModel/Window/MainWindowViewModel.cs
@@ -28,7 +28,7 @@ namespace DaSaSo.ViewModel
         public bool CanSelectBuildingSite { get => _actualProject.AktuellProjekt != null; }
         public bool CanSelectSewerObjects { get => _actualProject.AktuellBaustelle != null; }
 
-        public INavigator _navigator { get; set; }
+        public IMainWindowNavigator _navigator { get; set; }
         public ICommand UpdateCurrentViewModelCommand { get;  }
         public BaseViewModel CurrentViewModel => _navigator.CurrentViewModel;
         
@@ -70,7 +70,7 @@ namespace DaSaSo.ViewModel
             }
         }
 
-        public MainWindowViewModel(INavigator navigator,IViewModelAbstractFactory viewModelFactory, IActualProject actualProject)
+        public MainWindowViewModel(IMainWindowNavigator navigator,IViewModelAbstractFactory viewModelFactory, IActualProject actualProject)
         {
             this._navigator = navigator;
             this.viewModelFactory = viewModelFactory;
@@ -88,12 +88,12 @@ namespace DaSaSo.ViewModel
 
         private void _actualProject_SewerObjectChanged(object? sender, EventArgs e)
         {
-            throw new NotImplementedException();
+            UpdateCurrentViewModelCommand.Execute(EMainWindowViewType.SewerMainMenu);
         }
 
         private void _navigator_StateChanged()
         {
-            UpdateCurrentViewModelCommand.Execute(EMainWindowViewType.SewerMainMenu);
+            OnPropertyChanged(nameof(CurrentViewModel));
         }
 
         private void _actualProject_BuildingSiteChanged(object? sender, EventArgs e)
diff --git a/DaSaSo.Wpf/App.xaml.cs b/DaSaSo.Wpf/App.xaml.cs
index dbb7965..51c5d76 100644
--- a/DaSaSo.Wpf/App.xaml.cs
+++ b/DaSaSo.Wpf/App.xaml.cs
@@ -55,36 +55,55 @@ namespace DaSaSo.Wpf
 
 
                     services.AddSingleton<IViewModelAbstractFactory, MainWindowViewModelFactory>();
+                    services.AddSingleton<IViewModelSewerMainFactory, SewerWindowViewModelFactory>();
                     services.AddSingleton<CreateViewModel<ClientEditViewModel>>(services =>
                     {
                         return () => new ClientEditViewModel(
                              services.GetRequiredService<IDataService<Client>>(),
                              services.GetRequiredService<IActualProject>(),
                              new ViewModelDelegateRenavigator(
-                                 services.GetRequiredService<INavigator>()
+                                 services.GetRequiredService<IMainWindowNavigator>()
                              ));
                     });
                     services.AddSingleton<CreateViewModel<HomeViewModel>>(services =>
                     {
                         return () => new HomeViewModel();
                     });
+                    services.AddSingleton<CreateViewModel<SewerStammdatenViewModel>>(services =>
+                    {
+                        return () => new SewerStammdatenViewModel(
+                            services.GetRequiredService<IActualProject>()
+                            );
+                    });
+                    services.AddSingleton<CreateViewModel<SewerDamageListViewModel>>(services =>
+                    {
+                        return () => new SewerDamageListViewModel();
+                    });
+
                     services.AddSingleton<CreateViewModel<ClientListViewModel>>(services =>
                     {
                         return () => new ClientListViewModel(
                             services.GetRequiredService<IDataService<Client>>(),
                             services.GetRequiredService<IActualProject>(),
                             new ViewModelDelegateRenavigator(
-                                services.GetRequiredService<INavigator>()
+                                services.GetRequiredService<IMainWindowNavigator>()
                             ));
                     });
-
+                    services.AddSingleton<CreateViewModel<SewerMainListViewModel>>(services =>
+                    {
+                        return () => new SewerMainListViewModel(
+                            services.GetRequiredService<ISewerMainNavigator>(),
+                            services.GetRequiredService<IActualProject>(),
+                            services.GetRequiredService<IViewModelSewerMainFactory>()
+                            );
+                    });
                     services.AddSingleton<CreateViewModel<ProjectListViewModel>>(services =>
                     {
                         return () => new ProjectListViewModel(
                             services.GetRequiredService<IDataService<Project>>(),
                             services.GetRequiredService<IActualProject>(),
                             new ViewModelDelegateRenavigator(
-                                services.GetRequiredService<INavigator>()),
+                                services.GetRequiredService<IMainWindowNavigator>()),
                             services.GetRequiredService<IProjectService>()
                             
                             );
@@ -96,7 +115,7 @@ namespace DaSaSo.Wpf
                             services.GetRequiredService<IDataService<Buildingsite>>(),
                             services.GetRequiredService<IActualProject>(),
                             new ViewModelDelegateRenavigator(
-                                services.GetRequiredService<INavigator>()),
+                                services.GetRequiredService<IMainWindowNavigator>()),
                             services.GetRequiredService<IBuildingsiteService>()
                             );
                     });
@@ -112,7 +131,8 @@ namespace DaSaSo.Wpf
 
                     //services.AddSingleton<INavigator, Navigator>();
                     services.AddScoped<IActualProject, ActualProject>();
-                    services.AddScoped<INavigator, Navigator>();
+                    services.AddScoped<IMainWindowNavigator, MainWindowNavigator>();
+                    services.AddScoped<ISewerMainNavigator, SewerMainNavigator>();
 
                     services.AddScoped<MainWindowViewModel>();
                 });
diff --git a/DaSaSo.Wpf/Controls/SewerObjectNavigationBar.xaml b/DaSaSo.Wpf/Controls/SewerObjectNavigationBar.xaml
index 6ec4d49..b553646 100644
--- a/DaSaSo.Wpf/Controls/SewerObjectNavigationBar.xaml
+++ b/DaSaSo.Wpf/Controls/SewerObjectNavigationBar.xaml
@@ -3,13 +3,15 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
-             xmlns:local="clr-namespace:DaSaSo.Wpf.Controls"
+             xmlns:nav="clr-namespace:DaSaSo.Domain.Enums;assembly=DaSaSo.Domain"
+             xmlns:local="clr-namespace:DaSaSo.Wpf.Controls" xmlns:viewmodel="clr-namespace:DaSaSo.ViewModel;assembly=DaSaSo.ViewModel" d:DataContext="{d:DesignInstance Type=viewmodel:SewerMainListViewModel}"
              mc:Ignorable="d" 
              d:DesignHeight="450" d:DesignWidth="200">
     <Grid>
         <StackPanel>
-            <RadioButton Content="Stammdaten" Style="{StaticResource ToggleButtonList}" Margin="20" />
-            <RadioButton Content="Schäden" Style="{StaticResource ToggleButtonList}" Margin="20" />
+            <RadioButton Content="Stammdaten" Style="{StaticResource ToggleButtonList}" Command="{Binding UpdateCurrentSewerViewModelCommand}" CommandParameter="{x:Static nav:ESewerWindowViewType.SewerStammdaten}" Margin="20" />
+            <RadioButton Content="Schäden" Style="{StaticResource ToggleButtonList}" Command="{Binding UpdateCurrentSewerViewModelCommand}" CommandParameter="{x:Static nav:ESewerWindowViewType.SewerDamageList}" Margin="20" />
+            <RadioButton Content="Schließen" Style="{StaticResource ToggleButtonList}" Command="{Binding UpdateCurrentSewerViewModelCommand}" CommandParameter="{x:Static nav:ESewerWindowViewType.SewerStammdaten}" Margin="20" />
         </StackPanel>
             
     </Grid>
diff --git a/DaSaSo.Wpf/DaSaSo.Wpf.csproj.user b/DaSaSo.Wpf/DaSaSo.Wpf.csproj.user
index 115079e..e83a250 100644
--- a/DaSaSo.Wpf/DaSaSo.Wpf.csproj.user
+++ b/DaSaSo.Wpf/DaSaSo.Wpf.csproj.user
@@ -40,6 +40,9 @@
     <Compile Update="View\SewerObject\SewerMainView.xaml.cs">
       <SubType>Code</SubType>
     </Compile>
+    <Compile Update="View\SewerObject\SewerStammdatenView.xaml.cs">
+      <SubType>Code</SubType>
+    </Compile>
   </ItemGroup>
   <ItemGroup>
     <Page Update="Controls\MainWindowNavigationBar.xaml">
@@ -81,6 +84,9 @@
     <Page Update="View\SewerObject\SewerMainView.xaml">
       <SubType>Designer</SubType>
     </Page>
+    <Page Update="View\SewerObject\SewerStammdatenView.xaml">
+      <SubType>Designer</SubType>
+    </Page>
     <Page Update="Window\MainWindow.xaml">
       <SubType>Designer</SubType>
     </Page>
diff --git a/DaSaSo.Wpf/View/SewerObject/SewerMainView.xaml b/DaSaSo.Wpf/View/SewerObject/SewerMainView.xaml
index a343131..7c6c3f9 100644
--- a/DaSaSo.Wpf/View/SewerObject/SewerMainView.xaml
+++ b/DaSaSo.Wpf/View/SewerObject/SewerMainView.xaml
@@ -3,9 +3,16 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
-             xmlns:local="clr-namespace:DaSaSo.Wpf.View.SewerObject" xmlns:Controls="clr-namespace:DaSaSo.Wpf.Controls"
+             xmlns:viewModel="clr-namespace:DaSaSo.ViewModel;assembly=DaSaSo.ViewModel"
+             xmlns:local="clr-namespace:DaSaSo.Wpf.View.SewerObject" xmlns:Controls="clr-namespace:DaSaSo.Wpf.Controls" xmlns:viewmodel="clr-namespace:DaSaSo.ViewModel;assembly=DaSaSo.ViewModel" d:DataContext="{d:DesignInstance Type=viewmodel:SewerMainListViewModel}"
              mc:Ignorable="d" 
+             xmlns:views ="clr-namespace:DaSaSo.Wpf.View.SewerObject"
              d:DesignHeight="450" d:DesignWidth="800">
+    <UserControl.Resources>
+        <DataTemplate DataType="{x:Type viewmodel:SewerStammdatenViewModel}">
+            <views:SewerStammdatenView />
+        </DataTemplate>
+    </UserControl.Resources>
     <Grid>
         <Grid.ColumnDefinitions>
             <ColumnDefinition Width="auto" />
@@ -16,7 +23,7 @@
             <RowDefinition Height="auto" />
         </Grid.RowDefinitions>
         <Controls:SewerObjectNavigationBar Grid.Column="0" />
-        <ContentControl Grid.Column="1" />
+        <ContentControl Grid.Column="1" Content="{Binding CurrentSewerViewModel}" />
         <StatusBar Grid.Row="1" Grid.ColumnSpan="2">
             <StatusBarItem Content="Dada" />
         </StatusBar>
diff --git a/DaSaSo.Wpf/View/SewerObject/SewerStammdatenView.xaml b/DaSaSo.Wpf/View/SewerObject/SewerStammdatenView.xaml
new file mode 100644
index 0000000..f59a838
--- /dev/null
+++ b/DaSaSo.Wpf/View/SewerObject/SewerStammdatenView.xaml
@@ -0,0 +1,55 @@
+<UserControl x:Class="DaSaSo.Wpf.View.SewerObject.SewerStammdatenView"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
+             xmlns:local="clr-namespace:DaSaSo.Wpf.View.SewerObject"
+             mc:Ignorable="d" 
+             d:DesignHeight="450" d:DesignWidth="800">
+    <Grid>
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition />
+            <ColumnDefinition />
+        </Grid.ColumnDefinitions>
+        <Grid Grid.Column="0">
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition />
+                <ColumnDefinition />
+            </Grid.ColumnDefinitions>
+            <Grid.RowDefinitions>
+                <RowDefinition Height="auto" />
+                <RowDefinition Height="auto" />
+                <RowDefinition Height="auto" />
+                <RowDefinition Height="auto" />
+                <RowDefinition Height="auto" />
+                <RowDefinition Height="auto" />
+            </Grid.RowDefinitions>
+            <Label Grid.Column="0" Grid.Row="0" Content="Haltungsname" Margin="20" />
+            <Label Grid.Column="0" Grid.Row="1" Content="Punkt Oben" Margin="20" />
+            <Label Grid.Column="0" Grid.Row="2" Content="Punkt Unten" Margin="20" />
+            <Label Grid.Column="0" Grid.Row="3" Content="Durchmesser" Margin="20" />
+            <Label Grid.Column="0" Grid.Row="4" Content="Material" Margin="20" />
+            <Label Grid.Column="0" Grid.Row="5" Content="Leitungslänge" Margin="20" />
+            <TextBox Grid.Column="1" Grid.Row="0" Text="{Binding Haltungsname }" Margin="20" />
+            <TextBox Grid.Column="1" Grid.Row="1" Text="{Binding Oberepunkt }" Margin="20" />
+            <TextBox Grid.Column="1" Grid.Row="2" Text="{Binding Unterepunkt }" Margin="20" />
+            <TextBox Grid.Column="1" Grid.Row="3" Text="{Binding Durchmesser }" Margin="20" />
+            <TextBox Grid.Column="1" Grid.Row="4" Text="{Binding Material }" Margin="20" />
+            <TextBox Grid.Column="1" Grid.Row="5" Text="{Binding Leitungslength }" Margin="20" />
+        </Grid>
+        <Grid Grid.Column="1">
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition />
+                <ColumnDefinition />
+            </Grid.ColumnDefinitions>
+            <Grid.RowDefinitions>
+                <RowDefinition Height="auto"/>
+                <RowDefinition Height="auto" />
+            </Grid.RowDefinitions>
+            <Label Grid.Row="0" Grid.Column="0" Content="Strasse" Margin="20" />
+            <Label Grid.Row="1" Grid.Column="0" Content="Ort" Margin="20" />
+            <TextBox Grid.Row="0" Grid.Column="1" Text="{Binding Strasse}" Margin="20"/>
+            <TextBox Grid.Row="1" Grid.Column="1" Text="{Binding Ort}" Margin="20"/>
+        </Grid>
+    </Grid>
+</UserControl>
diff --git a/DaSaSo.Wpf/View/SewerObject/SewerStammdatenView.xaml.cs b/DaSaSo.Wpf/View/SewerObject/SewerStammdatenView.xaml.cs
new file mode 100644
index 0000000..bcdf89e
--- /dev/null
+++ b/DaSaSo.Wpf/View/SewerObject/SewerStammdatenView.xaml.cs
@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace DaSaSo.Wpf.View.SewerObject
+{
+    /// <summary>
+    /// Interaction logic for SewerStammdatenView.xaml
+    /// </summary>
+    public partial class SewerStammdatenView : UserControl
+    {
+        public SewerStammdatenView()
+        {
+            InitializeComponent();
+        }
+    }
+}
diff --git a/DaSaSo.Wpf/Window/MainWindow.xaml b/DaSaSo.Wpf/Window/MainWindow.xaml
index 759e90f..c952121 100644
--- a/DaSaSo.Wpf/Window/MainWindow.xaml
+++ b/DaSaSo.Wpf/Window/MainWindow.xaml
@@ -7,11 +7,12 @@
         xmlns:ProjektViews="clr-namespace:DaSaSo.Wpf.View.Project"
         xmlns:BuildingsiteViews="clr-namespace:DaSaSo.Wpf.View.Buildingsites"
         xmlns:SewerObjectViews="clr-namespace:DaSaSo.Wpf.View.SewerObjecte"
+        xmlns:SewerObjectView="clr-namespace:DaSaSo.Wpf.View.SewerObject"
         xmlns:controls="clr-namespace:DaSaSo.Wpf.Controls"
         xmlns:View="clr-namespace:DaSaSo.Wpf.View"
         xmlns:local="clr-namespace:DaSaSo.Wpf" xmlns:viewmodel="clr-namespace:DaSaSo.ViewModel;assembly=DaSaSo.ViewModel" d:DataContext="{d:DesignInstance Type=viewmodel:MainWindowViewModel}"
         mc:Ignorable="d"
-        Title="Cosysda Sanierungs Software" Height="450" Width="800" WindowState="Maximized">
+        Title="Cosysda Sanierungs Software" Height="450" Width="800" WindowState="Maximized" FontSize="20">
     <Window.Resources>
         <DataTemplate DataType="{x:Type viewmodel:ClientListViewModel}">
             <ClientViews:ClientListView />
@@ -37,6 +38,9 @@
         <DataTemplate DataType="{x:Type viewmodel:SewerObjectListViewModel}">
             <SewerObjectViews:SewerObjecteListView />
         </DataTemplate>
+        <DataTemplate DataType="{x:Type viewmodel:SewerMainListViewModel}">
+            <SewerObjectView:SewerMainView />
+        </DataTemplate>
     </Window.Resources>
     <Grid>
         <Grid.ColumnDefinitions>