diff --git a/backend/app/internal/get_data.py b/backend/app/internal/get_data.py
index 11835bf5..d0526e52 100644
--- a/backend/app/internal/get_data.py
+++ b/backend/app/internal/get_data.py
@@ -694,5 +694,10 @@ def get_input_lists():
         "StorageInitialWaterQuality",
         "PadStorageInitialWaterQuality",
         "DisposalOperatingCapacity",
+        "TreatmentExpansionLeadTime",
+        "DisposalExpansionLeadTime",
+        "StorageExpansionLeadTime",
+        "PipelineExpansionLeadTime_Dist",
+        "PipelineExpansionLeadTime_Capac",
     ]
     return [set_list, parameter_list]
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