diff --git a/Consequences/HazardParameter.cs b/Consequences/HazardParameter.cs
new file mode 100644
index 0000000..68e3d74
--- /dev/null
+++ b/Consequences/HazardParameter.cs
@@ -0,0 +1,9 @@
+namespace Consequences;
+public enum HazardParameter : long
+{
+  NoHazard,
+  Depth          = 2,
+  Velocity       = 4,
+  ArrivalTime    = 8,
+  ArrivalTime2ft = 16
+}