diff --git a/basedosdados_api/api/v1/admin.py b/basedosdados_api/api/v1/admin.py
index 165dbc8b..61f84850 100644
--- a/basedosdados_api/api/v1/admin.py
+++ b/basedosdados_api/api/v1/admin.py
@@ -8,6 +8,7 @@
 from django.contrib import admin, messages
 from django.core.management import call_command
 from django.db.models.query import QuerySet
+from django.forms.models import BaseInlineFormSet
 from django.shortcuts import get_object_or_404, render
 from django.utils.html import format_html
 from google.api_core.exceptions import BadRequest, NotFound
@@ -21,10 +22,12 @@
     TableCoverageFilter,
     TableObservationFilter,
 )
-from basedosdados_api.api.v1.forms import ReorderColumnsForm, ReorderTablesForm
-from basedosdados_api.api.v1.forms.admin_forms import (
+from basedosdados_api.api.v1.forms import (
     ColumnInlineForm,
     CoverageInlineForm,
+    ObservationLevelForm,
+    ReorderColumnsForm,
+    ReorderTablesForm,
     TableInlineForm,
 )
 from basedosdados_api.api.v1.models import (
@@ -60,6 +63,162 @@
 logger = getLogger("django")
 
 
+################################################################################
+# Model Admins Inlines
+################################################################################
+
+
+class TranslateOrderedInline(OrderedStackedInline, TranslationStackedInline):
+    pass
+
+
+class CustomObservationLevelInlineFormset(BaseInlineFormSet):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        columns_queryset = self.instance.columns.all()
+
+        for form in self.forms:
+            form.fields["column_choice"].queryset = columns_queryset
+
+
+class ObservationLevelInline(admin.StackedInline):
+    model = ObservationLevel
+    form = ObservationLevelForm
+    formset = CustomObservationLevelInlineFormset
+    template = "admin/edit_inline/stacked_table_observation_level.html"
+    extra = 0
+
+    fields = [
+        "id",
+        "entity",
+        "column_choice",
+    ]
+    autocomplete_fields = [
+        "entity",
+    ]
+
+
+class ColumnInline(TranslateOrderedInline):
+    model = Column
+    form = ColumnInlineForm
+    extra = 0
+    show_change_link = True
+    show_full_result_count = True
+    autocomplete_fields = [
+        "directory_primary_key",
+        "observation_level",
+    ]
+    fields = [
+        "order",
+        "move_up_down_links",
+    ] + ColumnInlineForm.Meta.fields
+    readonly_fields = [
+        "order",
+        "move_up_down_links",
+    ]
+    ordering = [
+        "order",
+    ]
+
+
+class TableInline(TranslateOrderedInline):
+    model = Table
+    form = TableInlineForm
+    extra = 0
+    show_change_link = True
+    fields = [
+        "order",
+        "move_up_down_links",
+    ] + TableInlineForm.Meta.fields
+    readonly_fields = [
+        "order",
+        "move_up_down_links",
+    ]
+    ordering = [
+        "order",
+    ]
+
+
+class RawDataSourceInline(TranslateOrderedInline):
+    model = RawDataSource
+    extra = 0
+    show_change_link = True
+    fields = [
+        "order",
+        "move_up_down_links",
+        "id",
+        "name",
+        "description",
+        "url",
+    ]
+    readonly_fields = [
+        "order",
+        "move_up_down_links",
+    ]
+    ordering = [
+        "order",
+    ]
+
+
+class InformationRequestInline(TranslateOrderedInline):
+    model = InformationRequest
+    extra = 0
+    show_change_link = True
+    fields = [
+        "order",
+        "move_up_down_links",
+        "id",
+        "origin",
+        "number",
+        "url",
+    ]
+    readonly_fields = [
+        "order",
+        "move_up_down_links",
+    ]
+    ordering = [
+        "order",
+    ]
+
+
+class DateTimeRangeInline(admin.StackedInline):
+    model = DateTimeRange
+    extra = 0
+    show_change_link = True
+
+
+class CoverageTableInline(admin.StackedInline):
+    model = Coverage
+    form = CoverageInlineForm
+    extra = 0
+    show_change_link = True
+    exclude = [
+        "raw_data_source",
+        "information_request",
+        "column",
+        "key",
+        "analysis",
+    ]
+    readonly_fields = [
+        "id",
+        "area",
+        # "table",
+    ]
+    inlines = [
+        DateTimeRangeInline,
+    ]
+    # template = "admin/edit_inline/custom_coverage_model_inline.html"
+    # inlines = [
+    #     TableCoverageFilter,
+    # ]
+    # formfield_overrides = {models.TextField: {"widget": AdminMartorWidget}}
+
+
+################################################################################
+# Model Admins Actions
+################################################################################
+
+
 def get_credentials():
     """Get google cloud credentials"""
     credentials_dict = json.loads(settings.GOOGLE_APPLICATION_CREDENTIALS)
@@ -200,130 +359,11 @@ def rebuild_search_index(modeladmin, request, queryset):
 rebuild_search_index.short_description = "Rebuild search index"
 
 
-class TranslateOrderedInline(OrderedStackedInline, TranslationStackedInline):
-    pass
-
-
-# Inlines
-
-
-class ColumnInline(TranslateOrderedInline):
-    model = Column
-    form = ColumnInlineForm
-    extra = 0
-    show_change_link = True
-    show_full_result_count = True
-    autocomplete_fields = [
-        "directory_primary_key",
-        "observation_level",
-    ]
-    fields = [
-        "order",
-        "move_up_down_links",
-    ] + ColumnInlineForm.Meta.fields
-    readonly_fields = [
-        "order",
-        "move_up_down_links",
-    ]
-    ordering = [
-        "order",
-    ]
-
-
-class TableInline(TranslateOrderedInline):
-    model = Table
-    form = TableInlineForm
-    extra = 0
-    show_change_link = True
-    fields = [
-        "order",
-        "move_up_down_links",
-    ] + TableInlineForm.Meta.fields
-    readonly_fields = [
-        "order",
-        "move_up_down_links",
-    ]
-    ordering = [
-        "order",
-    ]
-
-
-class RawDataSourceInline(TranslateOrderedInline):
-    model = RawDataSource
-    extra = 0
-    show_change_link = True
-    fields = [
-        "order",
-        "move_up_down_links",
-        "id",
-        "name",
-        "description",
-        "url",
-    ]
-    readonly_fields = [
-        "order",
-        "move_up_down_links",
-    ]
-    ordering = [
-        "order",
-    ]
-
-
-class InformationRequestInline(TranslateOrderedInline):
-    model = InformationRequest
-    extra = 0
-    show_change_link = True
-    fields = [
-        "order",
-        "move_up_down_links",
-        "id",
-        "origin",
-        "number",
-        "url",
-    ]
-    readonly_fields = [
-        "order",
-        "move_up_down_links",
-    ]
-    ordering = [
-        "order",
-    ]
-
-
-class DateTimeRangeInline(admin.StackedInline):
-    model = DateTimeRange
-    extra = 0
-    show_change_link = True
-
-
-class CoverageTableInline(admin.StackedInline):
-    model = Coverage
-    form = CoverageInlineForm
-    extra = 0
-    show_change_link = True
-    exclude = [
-        "raw_data_source",
-        "information_request",
-        "column",
-        "key",
-        "analysis",
-    ]
-    readonly_fields = [
-        "id",
-        "area",
-        # "table",
-    ]
-    inlines = [
-        DateTimeRangeInline,
-    ]
-    # template = "admin/edit_inline/custom_coverage_model_inline.html"
-    # inlines = [
-    #     TableCoverageFilter,
-    # ]
-    # formfield_overrides = {models.TextField: {"widget": AdminMartorWidget}}
+################################################################################
+# Model Admins
+################################################################################
 
 
-# Model Admins
 class AreaAdmin(TabbedTranslationAdmin):
     readonly_fields = [
         "id",
@@ -529,6 +569,7 @@ def add_view(self, request, *args, **kwargs):
     search_fields = ["name", "dataset__name"]
     inlines = [
         ColumnInline,
+        ObservationLevelInline,
     ]
     autocomplete_fields = [
         "dataset",
@@ -542,6 +583,25 @@ def add_view(self, request, *args, **kwargs):
         TableObservationFilter,
     ]
 
+    def save_formset(self, request, form, formset, change):
+        """Saves the formset, adding the table to the dataset"""
+        if formset.model == ObservationLevel:
+            instances = formset.save(commit=False)  # noqa
+            for form in formset.forms:
+                if form.instance.pk:
+                    Column.objects.filter(observation_level=form.instance).update(
+                        observation_level=None
+                    )
+                form_instance = form.save(commit=False)
+                column_instance = form.cleaned_data.get("column_choice")
+                if column_instance:
+                    column_instance.observation_level = form_instance
+                    column_instance.save()
+                form_instance.save()
+            formset.save_m2m()
+        else:
+            formset.save()
+
 
 class ColumnForm(forms.ModelForm):
     class Meta:
@@ -596,9 +656,6 @@ class ObservationLevelAdmin(admin.ModelAdmin):
         "raw_data_source",
         "information_request",
     ]
-    # inlines = [
-    #     ColumnInline,
-    # ]
 
 
 class RawDataSourceAdmin(TabbedTranslationAdmin):
diff --git a/basedosdados_api/api/v1/forms/__init__.py b/basedosdados_api/api/v1/forms/__init__.py
index 2b06fe30..49a742b6 100644
--- a/basedosdados_api/api/v1/forms/__init__.py
+++ b/basedosdados_api/api/v1/forms/__init__.py
@@ -1,3 +1,9 @@
 # -*- coding: utf-8 -*-
-from .reorder_columns_form import ReorderColumnsForm  # noqa: F401
-from .reorder_tables_form import ReorderTablesForm  # noqa: F401
+from basedosdados_api.api.v1.forms.admin_form import (  # noqa: F401
+    ColumnInlineForm,
+    CoverageInlineForm,
+    ObservationLevelForm,
+    TableInlineForm,
+)
+from basedosdados_api.api.v1.forms.reorder_columns_form import ReorderColumnsForm  # noqa: F401
+from basedosdados_api.api.v1.forms.reorder_tables_form import ReorderTablesForm  # noqa: F401
diff --git a/basedosdados_api/api/v1/forms/admin_forms.py b/basedosdados_api/api/v1/forms/admin_form.py
similarity index 72%
rename from basedosdados_api/api/v1/forms/admin_forms.py
rename to basedosdados_api/api/v1/forms/admin_form.py
index d6aaf4de..405f0074 100644
--- a/basedosdados_api/api/v1/forms/admin_forms.py
+++ b/basedosdados_api/api/v1/forms/admin_form.py
@@ -1,5 +1,13 @@
 # -*- coding: utf-8 -*-
-from basedosdados_api.api.v1.models import Column, Coverage, Table, UUIDHIddenIdForm
+from django import forms
+
+from basedosdados_api.api.v1.models import (
+    Column,
+    Coverage,
+    ObservationLevel,
+    Table,
+    UUIDHIddenIdForm,
+)
 
 
 class TableInlineForm(UUIDHIddenIdForm):
@@ -55,6 +63,19 @@ class Meta(UUIDHIddenIdForm.Meta):
         ]
 
 
+class ObservationLevelForm(UUIDHIddenIdForm):
+    column_choice = forms.ModelChoiceField(label="Column", queryset=Column.objects.all())
+
+    class Meta(UUIDHIddenIdForm.Meta):
+        model = ObservationLevel
+        fields = "__all__"
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        if self.instance.pk:
+            self.initial["column_choice"] = self.instance.columns.first()
+
+
 class CoverageInlineForm(UUIDHIddenIdForm):
     class Meta(UUIDHIddenIdForm.Meta):
         model = Coverage
diff --git a/basedosdados_api/api/v1/templates/admin/edit_inline/stacked_table_observation_level.html b/basedosdados_api/api/v1/templates/admin/edit_inline/stacked_table_observation_level.html
new file mode 100644
index 00000000..74a6175a
--- /dev/null
+++ b/basedosdados_api/api/v1/templates/admin/edit_inline/stacked_table_observation_level.html
@@ -0,0 +1,16 @@
+{% load i18n admin_urls static %}
+<div class="js-inline-admin-formset inline-group" id="{{ inline_admin_formset.formset.prefix }}-group" data-inline-type="stacked" data-inline-formset="{{ inline_admin_formset.inline_formset_data }}">
+    <fieldset class="module {{ inline_admin_formset.classes }} card card-outline">
+        <div class="card-body">
+            {{ inline_admin_formset.formset.management_form }}
+            {{ inline_admin_formset.formset.non_form_errors }}
+            {% for field in inline_admin_formset.formset %}
+                {{ field.id}}<br>
+                {{ field.entity.label_tag }} {{field.entity}}<br>
+                {{ field.column_choice.label_tag }}<br>{{ field.column_choice }}
+            <hr>
+            {% endfor %}
+
+        </div>
+    </fieldset>
+</div>