diff --git a/flopy/mf6/mfbase.py b/flopy/mf6/mfbase.py
index 1bc0e70fa..a4c07b622 100644
--- a/flopy/mf6/mfbase.py
+++ b/flopy/mf6/mfbase.py
@@ -461,15 +461,6 @@ def __init__(self, simulation_data):
         self.package_name_dict = {}
         self.package_filename_dict = {}
 
-    @property
-    def package_key_dict(self):
-        warnings.warn(
-            "package_key_dict has been deprecated, use "
-            "package_type_dict instead",
-            category=DeprecationWarning,
-        )
-        return self.package_type_dict
-
     @staticmethod
     def package_list():
         """Static method that returns the list of available packages.
diff --git a/flopy/mf6/mfmodel.py b/flopy/mf6/mfmodel.py
index 6e813b70e..61360052a 100644
--- a/flopy/mf6/mfmodel.py
+++ b/flopy/mf6/mfmodel.py
@@ -240,7 +240,12 @@ def _get_data_str(self, formal):
 
     @property
     def package_key_dict(self):
-        return self._package_container.package_key_dict
+        warnings.warn(
+            "package_key_dict has been deprecated, use "
+            "package_type_dict instead",
+            category=DeprecationWarning,
+        )
+        return self._package_container.package_type_dict
 
     @property
     def package_dict(self):
@@ -252,6 +257,18 @@ def package_names(self):
         """Returns a list of package names."""
         return self._package_container.package_names
 
+    @property
+    def package_type_dict(self):
+        return self._package_container.package_type_dict
+
+    @property
+    def package_name_dict(self):
+        return self._package_container.package_name_dict
+
+    @property
+    def package_filename_dict(self):
+        return self._package_container.package_filename_dict
+
     @property
     def nper(self):
         """Number of stress periods.
diff --git a/flopy/mf6/mfpackage.py b/flopy/mf6/mfpackage.py
index 7bd0b61a8..8ca12d539 100644
--- a/flopy/mf6/mfpackage.py
+++ b/flopy/mf6/mfpackage.py
@@ -1993,7 +1993,12 @@ def data_list(self):
 
     @property
     def package_key_dict(self):
-        return self._package_container.package_key_dict
+        warnings.warn(
+            "package_key_dict has been deprecated, use "
+            "package_type_dict instead",
+            category=DeprecationWarning,
+        )
+        return self._package_container.package_type_dict
 
     @property
     def package_names(self):
@@ -2004,6 +2009,18 @@ def package_names(self):
     def package_dict(self):
         return self._package_container.package_dict
 
+    @property
+    def package_type_dict(self):
+        return self._package_container.package_type_dict
+
+    @property
+    def package_name_dict(self):
+        return self._package_container.package_name_dict
+
+    @property
+    def package_filename_dict(self):
+        return self._package_container.package_filename_dict
+
     def get_package(self, name=None, type_only=False, name_only=False):
         """
         Finds a package by package name, package key, package type, or partial
diff --git a/flopy/mf6/mfsimbase.py b/flopy/mf6/mfsimbase.py
index 405d177b5..ca78987b7 100644
--- a/flopy/mf6/mfsimbase.py
+++ b/flopy/mf6/mfsimbase.py
@@ -3,7 +3,7 @@
 import os.path
 import sys
 from pathlib import Path
-from typing import List, Optional, Union, cast
+from typing import List, Optional, Type, Union, cast
 
 import numpy as np
 
@@ -692,7 +692,12 @@ def exchange_files(self):
 
     @property
     def package_key_dict(self):
-        return self._package_container.package_key_dict
+        warnings.warn(
+            "package_key_dict has been deprecated, use "
+            "package_type_dict instead",
+            category=DeprecationWarning,
+        )
+        return self._package_container.package_type_dict
 
     @property
     def package_dict(self):
@@ -704,9 +709,21 @@ def package_names(self):
         """Returns a list of package names."""
         return self._package_container.package_names
 
+    @property
+    def package_type_dict(self):
+        return self._package_container.package_type_dict
+
+    @property
+    def package_name_dict(self):
+        return self._package_container.package_name_dict
+
+    @property
+    def package_filename_dict(self):
+        return self._package_container.package_filename_dict
+
     @staticmethod
     def load(
-        cls_child,
+        cls_child: Type["MFSimulationBase"],
         sim_name="modflowsim",
         version="mf6",
         exe_name: Union[str, os.PathLike] = "mf6",
@@ -774,17 +791,14 @@ def load(
 
         """
         # initialize
-        instance = cast(
-            MFSimulationBase,
-            cls_child(
-                sim_name,
-                version,
-                exe_name,
-                sim_ws,
-                verbosity_level,
-                write_headers=write_headers,
-                use_pandas=use_pandas,
-            ),
+        instance = cls_child(
+            sim_name,
+            version,
+            exe_name,
+            sim_ws,
+            verbosity_level,
+            write_headers=write_headers,
+            use_pandas=use_pandas,
         )
         verbosity_level = instance.simulation_data.verbosity_level