Index: Ringtoets/Piping/src/Ringtoets.Piping.IO/SoilProfile/SoilProfile2DReader.cs
===================================================================
diff -u -ra6ba313236d0ff8d2f219fc8249b700b1eade338 -rabafce00e4098c8041a52f62b3f174c615cf890d
--- Ringtoets/Piping/src/Ringtoets.Piping.IO/SoilProfile/SoilProfile2DReader.cs	(.../SoilProfile2DReader.cs)	(revision a6ba313236d0ff8d2f219fc8249b700b1eade338)
+++ Ringtoets/Piping/src/Ringtoets.Piping.IO/SoilProfile/SoilProfile2DReader.cs	(.../SoilProfile2DReader.cs)	(revision abafce00e4098c8041a52f62b3f174c615cf890d)
@@ -68,7 +68,7 @@
         /// </list></exception>
         private static SoilLayer2D ReadPiping2DSoilLayer(IRowBasedReader reader, string profileName)
         {
-            LayerProperties properties = new LayerProperties(reader, profileName);
+            var properties = new LayerProperties(reader, profileName);
 
             SoilLayer2D pipingSoilLayer;
             try
Index: Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/SoilProfile/SoilProfile1DReaderTest.cs
===================================================================
diff -u -r4fb380c707f3824e203dbafe66582209d2f3fdbd -rabafce00e4098c8041a52f62b3f174c615cf890d
--- Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/SoilProfile/SoilProfile1DReaderTest.cs	(.../SoilProfile1DReaderTest.cs)	(revision 4fb380c707f3824e203dbafe66582209d2f3fdbd)
+++ Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/SoilProfile/SoilProfile1DReaderTest.cs	(.../SoilProfile1DReaderTest.cs)	(revision abafce00e4098c8041a52f62b3f174c615cf890d)
@@ -74,6 +74,23 @@
         }
 
         [Test]
+        public void ReadFrom_InvalidIsAquifer_ReturnsProfileWithNullValuesOnLayer()
+        {
+            // Setup
+            reader.Expect(r => r.Read<long>(SoilProfileDatabaseColumns.LayerCount)).Return(1).Repeat.Any();
+            reader.Expect(r => r.ReadOrNull<double>(SoilProfileDatabaseColumns.IsAquifer)).Throw(new InvalidCastException());
+            mocks.ReplayAll();
+
+            // Call
+            TestDelegate test = () => SoilProfile1DReader.ReadFrom(reader);
+
+            // Assert
+            Assert.Throws<PipingSoilProfileReadException>(test);
+
+            mocks.VerifyAll();
+        }
+
+        [Test]
         public void ReadFrom_NullValuesForLayer_ReturnsProfileWithNullValuesOnLayer()
         {
             // Setup
Index: Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/SoilProfile/SoilProfile2DReaderTest.cs
===================================================================
diff -u -r4fb380c707f3824e203dbafe66582209d2f3fdbd -rabafce00e4098c8041a52f62b3f174c615cf890d
--- Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/SoilProfile/SoilProfile2DReaderTest.cs	(.../SoilProfile2DReaderTest.cs)	(revision 4fb380c707f3824e203dbafe66582209d2f3fdbd)
+++ Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/SoilProfile/SoilProfile2DReaderTest.cs	(.../SoilProfile2DReaderTest.cs)	(revision abafce00e4098c8041a52f62b3f174c615cf890d)
@@ -122,6 +122,23 @@
         }
 
         [Test]
+        public void ReadFrom_InvalidIsAquifer_ReturnsProfileWithNullValuesOnLayer()
+        {
+            // Setup
+            reader.Expect(r => r.Read<long>(SoilProfileDatabaseColumns.LayerCount)).Return(1).Repeat.Any();
+            reader.Expect(r => r.ReadOrNull<double>(SoilProfileDatabaseColumns.IsAquifer)).Throw(new InvalidCastException());
+            mocks.ReplayAll();
+
+            // Call
+            TestDelegate test = () => SoilProfile2DReader.ReadFrom(reader);
+
+            // Assert
+            Assert.Throws<PipingSoilProfileReadException>(test);
+
+            mocks.VerifyAll();
+        }
+
+        [Test]
         public void ReadFrom_NullValuesForLayer_ReturnsProfileWithNullValuesOnLayer()
         {
             // Setup