Index: Ringtoets/Migration/test/Ringtoets.Migration.Integration.Test/MigrationTo181IntegrationTest.cs
===================================================================
diff -u -r5a740ab3ad2654ef7a892e85cc8f317ac9b3f986 -r8b620c03d0746846c6b13e343c417b6273d50d63
--- Ringtoets/Migration/test/Ringtoets.Migration.Integration.Test/MigrationTo181IntegrationTest.cs	(.../MigrationTo181IntegrationTest.cs)	(revision 5a740ab3ad2654ef7a892e85cc8f317ac9b3f986)
+++ Ringtoets/Migration/test/Ringtoets.Migration.Integration.Test/MigrationTo181IntegrationTest.cs	(.../MigrationTo181IntegrationTest.cs)	(revision 8b620c03d0746846c6b13e343c417b6273d50d63)
@@ -85,7 +85,9 @@
                     AssertHydraulicBoundaryLocationsOnAssessmentSection(reader, sourceFilePath);
                     AssertHydraulicBoundaryLocationsOnGrassCoverErosionOutwardsFailureMechanism(reader, sourceFilePath);
                     AssertFailureMechanisms(reader, sourceFilePath);
+
                     AssertFailureMechanismRelatedOutput(reader);
+                    AssertPipingOutput(reader, sourceFilePath);
 
                     AssertPipingSoilLayers(reader);
                     AssertStabilityStoneCoverFailureMechanism(reader);
@@ -444,7 +446,6 @@
                 "MacroStabilityOutwardsSectionResultEntity",
                 "MicrostabilitySectionResultEntity",
                 "PipingCalculationEntity",
-                "PipingCalculationOutputEntity",
                 "PipingCharacteristicPointEntity",
                 "PipingFailureMechanismMetaEntity",
                 "PipingSectionResultEntity",
@@ -1035,6 +1036,22 @@
             }
         }
 
+        private static void AssertPipingOutput(MigratedDatabaseReader reader, string sourceFilePath)
+        {
+            string validateOutputCount =
+                $"ATTACH DATABASE \"{sourceFilePath}\" AS SOURCEPROJECT; " +
+                "SELECT COUNT() = " +
+                "( " +
+                "SELECT COUNT() " +
+                "FROM [SOURCEPROJECT].PipingCalculationOutputEntity " +
+                "JOIN [SOURCEPROJECT].PipingCalculationEntity USING(PipingCalculationEntityId) " +
+                "WHERE [UseAssessmentLevelManualInput] = 1 " +
+                ") " +
+                "FROM PipingCalculationOutputEntity;" +
+                "DETACH DATABASE SOURCEPROJECT;";
+            reader.AssertReturnedDataIsValid(validateOutputCount);
+        }
+
         #region Dune Locations
 
         /// <summary>