Index: Ringtoets/Piping/src/Ringtoets.Piping.Data/StochasticSoilProfile.cs
===================================================================
diff -u -r286830ea09ca418fba6b5c26f2e52c71f6dd56bd -r29acdef1f06e3be94d7fd8a94731e391b5d97ae8
--- Ringtoets/Piping/src/Ringtoets.Piping.Data/StochasticSoilProfile.cs	(.../StochasticSoilProfile.cs)	(revision 286830ea09ca418fba6b5c26f2e52c71f6dd56bd)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Data/StochasticSoilProfile.cs	(.../StochasticSoilProfile.cs)	(revision 29acdef1f06e3be94d7fd8a94731e391b5d97ae8)
@@ -35,7 +35,7 @@
     {
         private double probability;
 
-        private static readonly Range<double> probabilityValidityRange = new Range<double>(0,1);
+        private static readonly Range<double> probabilityValidityRange = new Range<double>(0, 1);
 
         /// <summary>
         /// Creates a new instance of <see cref="StochasticSoilProfile"/>.
@@ -80,9 +80,11 @@
             {
                 if (!probabilityValidityRange.InRange(value))
                 {
-                    throw new ArgumentOutOfRangeException(nameof(value), string.Format(
-                        Resources.StochasticSoilProfile_Probability_Should_be_in_range_0_,
-                        probabilityValidityRange.ToString(FormattableConstants.ShowAtLeastOneDecimal, CultureInfo.CurrentCulture)));
+                    throw new ArgumentOutOfRangeException(
+                        nameof(value),
+                        string.Format(
+                            Resources.StochasticSoilProfile_Probability_Should_be_in_range_0_,
+                            probabilityValidityRange.ToString(FormattableConstants.ShowAtLeastOneDecimal, CultureInfo.CurrentCulture)));
                 }
                 probability = value;
             }
@@ -130,10 +132,9 @@
 
         protected bool Equals(StochasticSoilProfile other)
         {
-            return Probability.Equals(other.Probability) 
-                && SoilProfileType == other.SoilProfileType 
-                && SoilProfileId == other.SoilProfileId 
-                && Equals(SoilProfile, other.SoilProfile);
+            return Probability.Equals(other.Probability)
+                   && SoilProfileType == other.SoilProfileType
+                   && Equals(SoilProfile, other.SoilProfile);
         }
 
         public override bool Equals(object obj)
@@ -150,7 +151,6 @@
             {
                 int hashCode = Probability.GetHashCode();
                 hashCode = (hashCode * 397) ^ (int) SoilProfileType;
-                hashCode = (hashCode * 397) ^ SoilProfileId.GetHashCode();
                 hashCode = (hashCode * 397) ^ (SoilProfile?.GetHashCode() ?? 0);
                 return hashCode;
             }
Index: Ringtoets/Piping/src/Ringtoets.Piping.Primitives/PipingSoilProfile.cs
===================================================================
diff -u -r24145cb7feea063e2986e8f4b2270bb2a478b3fd -r29acdef1f06e3be94d7fd8a94731e391b5d97ae8
--- Ringtoets/Piping/src/Ringtoets.Piping.Primitives/PipingSoilProfile.cs	(.../PipingSoilProfile.cs)	(revision 24145cb7feea063e2986e8f4b2270bb2a478b3fd)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Primitives/PipingSoilProfile.cs	(.../PipingSoilProfile.cs)	(revision 29acdef1f06e3be94d7fd8a94731e391b5d97ae8)
@@ -142,7 +142,6 @@
             unchecked
             {
                 int hashCode = layers?.GetHashCode() ?? 0;
-                hashCode = (hashCode * 397) ^ PipingSoilProfileId.GetHashCode();
                 hashCode = (hashCode * 397) ^ Bottom.GetHashCode();
                 hashCode = (hashCode * 397) ^ (Name?.GetHashCode() ?? 0);
                 hashCode = (hashCode * 397) ^ (int) SoilProfileType;
@@ -153,7 +152,6 @@
         private bool Equals(PipingSoilProfile other)
         {
             return AreLayersEqual(other.layers)
-                   && PipingSoilProfileId == other.PipingSoilProfileId
                    && Bottom.Equals(other.Bottom)
                    && string.Equals(Name, other.Name)
                    && SoilProfileType == other.SoilProfileType;
Index: Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/PipingSoilProfileTest.cs
===================================================================
diff -u -r76a7de2e77e45645d0e7e485e03333baf9cc3b0d -r29acdef1f06e3be94d7fd8a94731e391b5d97ae8
--- Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/PipingSoilProfileTest.cs	(.../PipingSoilProfileTest.cs)	(revision 76a7de2e77e45645d0e7e485e03333baf9cc3b0d)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/PipingSoilProfileTest.cs	(.../PipingSoilProfileTest.cs)	(revision 29acdef1f06e3be94d7fd8a94731e391b5d97ae8)
@@ -34,6 +34,8 @@
     [TestFixture]
     public class PipingSoilProfileTest
     {
+        private static readonly Random profileIdRandom = new Random(32);
+
         [Test]
         [TestCase(SoilProfileType.SoilProfile1D)]
         [TestCase(SoilProfileType.SoilProfile2D)]
@@ -255,7 +257,10 @@
                 CreateRandomLayer(random),
                 CreateRandomLayer(random)
             }, random.NextEnumValue<SoilProfileType>(), random.Next());
-            
+
+            var profileJ = new PipingSoilProfile("A", -3, new [] { new PipingSoilLayer(-2) }, SoilProfileType.SoilProfile1D, 35);
+            var profileK = new PipingSoilProfile("A", -3, new [] { new PipingSoilLayer(-2) }, SoilProfileType.SoilProfile1D, 56);
+
             return new[]
             {
                 new TestCaseData(profileA, profileB, true) { TestName = "Equals_ProfileAProfileB_True"},
@@ -264,12 +269,13 @@
                 new TestCaseData(profileD, profileF, false) { TestName = "Equals_ProfileDProfileF_False"},
                 new TestCaseData(profileD, profileG, false) { TestName = "Equals_ProfileDProfileG_False"},
                 new TestCaseData(profileH, profileI, false) { TestName = "Equals_ProfileHProfileI_False"},
+                new TestCaseData(profileJ, profileK, true) { TestName = "Equals_DifferentIds_True"},
             };
         }
 
         private static PipingSoilProfile CreateSingleLayerProfile(string name, double bottom, SoilProfileType type)
         {
-            return new PipingSoilProfile(name, bottom, new [] { new PipingSoilLayer(bottom + 1.0) }, type, -200);
+            return new PipingSoilProfile(name, bottom, new [] { new PipingSoilLayer(bottom + 1.0) }, type, profileIdRandom.Next());
         }
 
         private static PipingSoilProfile CreateRandomProfile(int randomSeed)
@@ -280,7 +286,7 @@
             {
                 layers.Add(CreateRandomLayer(random));
             }
-            return new PipingSoilProfile(GetRandomName(random), -1.0 - random.NextDouble(), layers, random.NextEnumValue<SoilProfileType>(), random.Next());
+            return new PipingSoilProfile(GetRandomName(random), -1.0 - random.NextDouble(), layers, random.NextEnumValue<SoilProfileType>(), profileIdRandom.Next());
         }
 
         private static PipingSoilLayer CreateRandomLayer(Random random)
Index: Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/StochasticSoilProfileTest.cs
===================================================================
diff -u -r2711ea7d788b8f6193cf6c090317a6d24d891d4b -r29acdef1f06e3be94d7fd8a94731e391b5d97ae8
--- Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/StochasticSoilProfileTest.cs	(.../StochasticSoilProfileTest.cs)	(revision 2711ea7d788b8f6193cf6c090317a6d24d891d4b)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/StochasticSoilProfileTest.cs	(.../StochasticSoilProfileTest.cs)	(revision 29acdef1f06e3be94d7fd8a94731e391b5d97ae8)
@@ -31,6 +31,8 @@
     [TestFixture]
     public class StochasticSoilProfileTest
     {
+        private static readonly Random profileIdRandom = new Random(32);
+
         [Test]
         [TestCase(0.1, SoilProfileType.SoilProfile1D, 123L)]
         [TestCase(0.26, SoilProfileType.SoilProfile2D, 123L)]
@@ -237,6 +239,8 @@
             StochasticSoilProfile profileA = CreateRandomStochasticProfile(21);
             StochasticSoilProfile profileB = CreateRandomStochasticProfile(21);
             StochasticSoilProfile profileC = CreateRandomStochasticProfile(73);
+            StochasticSoilProfile profileE = new StochasticSoilProfile(0.5, SoilProfileType.SoilProfile1D, 25);
+            StochasticSoilProfile profileF = new StochasticSoilProfile(0.5, SoilProfileType.SoilProfile1D, 45);
 
             return new[]
             {
@@ -247,14 +251,18 @@
                 new TestCaseData(profileB, profileC, false)
                 {
                     TestName = "Equals_ProfileBProfileC_False"
+                },
+                new TestCaseData(profileE, profileF, true)
+                {
+                    TestName = "Equals_DifferentIds_True"
                 }
             };
         }
 
         private static StochasticSoilProfile CreateRandomStochasticProfile(int randomSeed)
         {
             var random = new Random(randomSeed);
-            return new StochasticSoilProfile(random.NextDouble(), SoilProfileType.SoilProfile1D, random.Next())
+            return new StochasticSoilProfile(random.NextDouble(), SoilProfileType.SoilProfile1D, profileIdRandom.Next())
             {
                 SoilProfile = CreateRandomProfile(random)
             };