Index: Riskeer/ClosingStructures/test/Riskeer.ClosingStructures.Forms.Test/PropertyClasses/ClosingStructuresInputContextPropertiesTest.cs
===================================================================
diff -u -rd155d70a26b2cb5463ddadb0b00b5d6ec905a004 -rf720d5b26205c047e03a413ee532fe895429849f
--- Riskeer/ClosingStructures/test/Riskeer.ClosingStructures.Forms.Test/PropertyClasses/ClosingStructuresInputContextPropertiesTest.cs	(.../ClosingStructuresInputContextPropertiesTest.cs)	(revision d155d70a26b2cb5463ddadb0b00b5d6ec905a004)
+++ Riskeer/ClosingStructures/test/Riskeer.ClosingStructures.Forms.Test/PropertyClasses/ClosingStructuresInputContextPropertiesTest.cs	(.../ClosingStructuresInputContextPropertiesTest.cs)	(revision f720d5b26205c047e03a413ee532fe895429849f)
@@ -793,6 +793,14 @@
             SetPropertyAndVerifyNotificationsAndOutput(
                 properties => properties.DrainCoefficient.Mean = newMean);
         }
+        
+        [Test]
+        public void DrainCoefficient_StandardDeviationChanged_InputChangedAndObservablesNotified()
+        {
+            RoundedDouble newStandardDeviation = new Random(21).NextRoundedDouble();
+            SetPropertyAndVerifyNotificationsAndOutput(
+                properties => properties.DrainCoefficient.StandardDeviation = newStandardDeviation);
+        }
 
         [Test]
         public void LevelCrestStructureNotClosing_MeanChanged_InputChangedAndObservablesNotified()
Index: Riskeer/Migration/src/Riskeer.Migration.Core/EmbeddedResources/DatabaseStructure20.1.sql
===================================================================
diff -u -r5221a663706fc35a9cc101eb4af9a8c8bd444878 -rf720d5b26205c047e03a413ee532fe895429849f
--- Riskeer/Migration/src/Riskeer.Migration.Core/EmbeddedResources/DatabaseStructure20.1.sql	(.../DatabaseStructure20.1.sql)	(revision 5221a663706fc35a9cc101eb4af9a8c8bd444878)
+++ Riskeer/Migration/src/Riskeer.Migration.Core/EmbeddedResources/DatabaseStructure20.1.sql	(.../DatabaseStructure20.1.sql)	(revision f720d5b26205c047e03a413ee532fe895429849f)
@@ -1,6 +1,6 @@
 /* ---------------------------------------------------- */
 /*  Generated by Enterprise Architect Version 14.1 		*/
-/*  Created On : 18-jan-2021 14:21:32 				*/
+/*  Created On : 21-jan-2021 14:49:47 				*/
 /*  DBMS       : SQLite 								*/
 /* ---------------------------------------------------- */
 
@@ -716,6 +716,7 @@
 	'FailureProbabilityStructureWithErosion' REAL NOT NULL,
 	'DeviationWaveDirection' REAL NULL,
 	'DrainCoefficientMean' REAL NULL,
+	'DrainCoefficientStandardDeviation' REAL NULL,
 	'ModelFactorSuperCriticalFlowMean' REAL NULL,
 	'StormDurationMean' REAL NULL,
 	'FactorStormDurationOpenStructure' REAL NULL,
@@ -1810,6 +1811,7 @@
 	'StormDurationMean' REAL NULL,
 	'FactorStormDurationOpenStructure' REAL NULL,
 	'DrainCoefficientMean' REAL NULL,
+	'DrainCoefficientStandardDeviation' REAL NULL,
 	'FailureProbabilityStructureWithErosion' REAL NOT NULL,
 	'ShouldIllustrationPointsBeCalculated' TINYINT (1) NOT NULL,	-- true or false
 	'RelevantForScenario' TINYINT (1) NOT NULL,
Index: Riskeer/Migration/src/Riskeer.Migration.Core/EmbeddedResources/Migration_19.1_20.1.sql
===================================================================
diff -u -r871d105304d7459807b99b06589e10843a72b001 -rf720d5b26205c047e03a413ee532fe895429849f
--- Riskeer/Migration/src/Riskeer.Migration.Core/EmbeddedResources/Migration_19.1_20.1.sql	(.../Migration_19.1_20.1.sql)	(revision 871d105304d7459807b99b06589e10843a72b001)
+++ Riskeer/Migration/src/Riskeer.Migration.Core/EmbeddedResources/Migration_19.1_20.1.sql	(.../Migration_19.1_20.1.sql)	(revision f720d5b26205c047e03a413ee532fe895429849f)
@@ -54,6 +54,7 @@
 	[FailureProbabilityStructureWithErosion],
 	[DeviationWaveDirection],
 	[DrainCoefficientMean],
+    [DrainCoefficientStandardDeviation],
 	[ModelFactorSuperCriticalFlowMean],
 	[StormDurationMean],
 	[FactorStormDurationOpenStructure],
@@ -101,6 +102,7 @@
 	[FailureProbabilityStructureWithErosion],
 	[DeviationWaveDirection],
 	[DrainCoefficientMean],
+	0.2,   
 	[ModelFactorSuperCriticalFlowMean],
 	[StormDurationMean],
 	[FactorStormDurationOpenStructure],
@@ -521,6 +523,7 @@
 	[StormDurationMean],
 	[FactorStormDurationOpenStructure],
 	[DrainCoefficientMean],
+	[DrainCoefficientStandardDeviation],
 	[FailureProbabilityStructureWithErosion],
 	[ShouldIllustrationPointsBeCalculated],
 	[RelevantForScenario],
@@ -587,6 +590,7 @@
 	[StormDurationMean],
 	[FactorStormDurationOpenStructure],
 	[DrainCoefficientMean],
+	0.2,   
 	[FailureProbabilityStructureWithErosion],
 	[ShouldIllustrationPointsBeCalculated],
 	CASE
Index: Riskeer/Migration/test/Riskeer.Migration.Core.Test/test-data/MigrationTestProject201.risk
===================================================================
diff -u -r5221a663706fc35a9cc101eb4af9a8c8bd444878 -rf720d5b26205c047e03a413ee532fe895429849f
Binary files differ
Index: Riskeer/Migration/test/Riskeer.Migration.Integration.Test/MigrationTo201IntegrationTest.cs
===================================================================
diff -u -rdee95c47ef173fe8ff00297f227470004ed11252 -rf720d5b26205c047e03a413ee532fe895429849f
--- Riskeer/Migration/test/Riskeer.Migration.Integration.Test/MigrationTo201IntegrationTest.cs	(.../MigrationTo201IntegrationTest.cs)	(revision dee95c47ef173fe8ff00297f227470004ed11252)
+++ Riskeer/Migration/test/Riskeer.Migration.Integration.Test/MigrationTo201IntegrationTest.cs	(.../MigrationTo201IntegrationTest.cs)	(revision f720d5b26205c047e03a413ee532fe895429849f)
@@ -229,6 +229,7 @@
                 "AND NEW.[FailureProbabilityStructureWithErosion] = OLD.[FailureProbabilityStructureWithErosion] " +
                 "AND NEW.[DeviationWaveDirection] IS OLD.[DeviationWaveDirection] " +
                 "AND NEW.[DrainCoefficientMean] IS OLD.[DrainCoefficientMean] " +
+                "AND NEW.[DrainCoefficientStandardDeviation] IS 0.2 " +
                 "AND NEW.[ModelFactorSuperCriticalFlowMean] IS OLD.[ModelFactorSuperCriticalFlowMean] " +
                 "AND NEW.[StormDurationMean] IS OLD.[StormDurationMean] " +
                 "AND NEW.[FactorStormDurationOpenStructure] IS OLD.[FactorStormDurationOpenStructure] " +
@@ -289,6 +290,7 @@
                 "AND NEW.[FailureProbabilityStructureWithErosion] = OLD.[FailureProbabilityStructureWithErosion] " +
                 "AND NEW.[DeviationWaveDirection] IS OLD.[DeviationWaveDirection] " +
                 "AND NEW.[DrainCoefficientMean] IS OLD.[DrainCoefficientMean] " +
+                "AND NEW.[DrainCoefficientStandardDeviation] IS 0.2 " +
                 "AND NEW.[ModelFactorSuperCriticalFlowMean] IS OLD.[ModelFactorSuperCriticalFlowMean] " +
                 "AND NEW.[StormDurationMean] IS OLD.[StormDurationMean] " +
                 "AND NEW.[FactorStormDurationOpenStructure] IS OLD.[FactorStormDurationOpenStructure] " +
@@ -508,6 +510,7 @@
                 "AND NEW.[StormDurationMean] IS OLD.[StormDurationMean] " +
                 "AND NEW.[FactorStormDurationOpenStructure] IS OLD.[FactorStormDurationOpenStructure] " +
                 "AND NEW.[DrainCoefficientMean] IS OLD.[DrainCoefficientMean] " +
+                "AND NEW.[DrainCoefficientStandardDeviation] IS 0.2 " +
                 "AND NEW.[FailureProbabilityStructureWithErosion] IS OLD.[FailureProbabilityStructureWithErosion] " +
                 "AND NEW.[ShouldIllustrationPointsBeCalculated] = OLD.[ShouldIllustrationPointsBeCalculated] " +
                 "AND NEW.[RelevantForScenario] = 1 " +
@@ -587,6 +590,7 @@
                 "AND NEW.[StormDurationMean] IS OLD.[StormDurationMean] " +
                 "AND NEW.[FactorStormDurationOpenStructure] IS OLD.[FactorStormDurationOpenStructure] " +
                 "AND NEW.[DrainCoefficientMean] IS OLD.[DrainCoefficientMean] " +
+                "AND NEW.[DrainCoefficientStandardDeviation] IS 0.2 " +
                 "AND NEW.[FailureProbabilityStructureWithErosion] IS OLD.[FailureProbabilityStructureWithErosion] " +
                 "AND NEW.[ShouldIllustrationPointsBeCalculated] = OLD.[ShouldIllustrationPointsBeCalculated] " +
                 "AND NEW.[RelevantForScenario] = 0 " +
Index: Riskeer/StabilityPointStructures/test/Riskeer.StabilityPointStructures.Forms.Test/PropertyClasses/StabilityPointStructuresInputContextPropertiesTest.cs
===================================================================
diff -u -rd155d70a26b2cb5463ddadb0b00b5d6ec905a004 -rf720d5b26205c047e03a413ee532fe895429849f
--- Riskeer/StabilityPointStructures/test/Riskeer.StabilityPointStructures.Forms.Test/PropertyClasses/StabilityPointStructuresInputContextPropertiesTest.cs	(.../StabilityPointStructuresInputContextPropertiesTest.cs)	(revision d155d70a26b2cb5463ddadb0b00b5d6ec905a004)
+++ Riskeer/StabilityPointStructures/test/Riskeer.StabilityPointStructures.Forms.Test/PropertyClasses/StabilityPointStructuresInputContextPropertiesTest.cs	(.../StabilityPointStructuresInputContextPropertiesTest.cs)	(revision f720d5b26205c047e03a413ee532fe895429849f)
@@ -1446,6 +1446,14 @@
             SetPropertyAndVerifyNotificationsAndOutput(
                 properties => properties.DrainCoefficient.Mean = newMean);
         }
+        
+        [Test]
+        public void DrainCoefficient_StandardDeviationChanged_InputChangedAndObservablesNotified()
+        {
+            RoundedDouble newStandardDeviation = new Random(21).NextRoundedDouble();
+            SetPropertyAndVerifyNotificationsAndOutput(
+                properties => properties.DrainCoefficient.StandardDeviation = newStandardDeviation);
+        }
 
         [Test]
         public void LevelCrestStructure_MeanChanged_InputChangedAndObservablesNotified()