diff --git a/app/models/poll/voter.rb b/app/models/poll/voter.rb
index 760096206..abcae7d25 100644
--- a/app/models/poll/voter.rb
+++ b/app/models/poll/voter.rb
@@ -1,5 +1,8 @@
 class Poll
   class Voter < ActiveRecord::Base
+
+    VALID_ORIGINS = %w{ web booth }
+
     belongs_to :poll
     belongs_to :user
     belongs_to :geozone
@@ -10,9 +13,13 @@ class Poll
     validates :user_id, presence: true
 
     validates :document_number, presence: true, uniqueness: { scope: [:poll_id, :document_type], message: :has_voted }
+    validates :origin, inclusion: { in: VALID_ORIGINS }
 
     before_validation :set_demographic_info, :set_document_info
 
+    scope :web,   -> { where(origin: 'web') }
+    scope :booth, -> { where(origin: 'booth') }
+
     def set_demographic_info
       return if user.blank?
 
diff --git a/db/migrate/20171002121658_add_origin_to_poll_voters.rb b/db/migrate/20171002121658_add_origin_to_poll_voters.rb
new file mode 100644
index 000000000..845c1b774
--- /dev/null
+++ b/db/migrate/20171002121658_add_origin_to_poll_voters.rb
@@ -0,0 +1,5 @@
+class AddOriginToPollVoters < ActiveRecord::Migration
+  def change
+    add_column :poll_voters, :origin, :string
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 500f03540..e862af922 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20170927110953) do
+ActiveRecord::Schema.define(version: 20171002121658) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -733,6 +733,7 @@ ActiveRecord::Schema.define(version: 20170927110953) do
     t.integer  "answer_id"
     t.integer  "officer_assignment_id"
     t.integer  "user_id"
+    t.string   "origin"
   end
 
   add_index "poll_voters", ["booth_assignment_id"], name: "index_poll_voters_on_booth_assignment_id", using: :btree
diff --git a/spec/factories.rb b/spec/factories.rb
index b0a287aea..f3d70a529 100644
--- a/spec/factories.rb
+++ b/spec/factories.rb
@@ -525,6 +525,7 @@ FactoryGirl.define do
   factory :poll_voter, class: 'Poll::Voter' do
     poll
     association :user, :level_two
+    origin "web"
 
     trait :from_booth do
       association :booth_assignment, factory: :poll_booth_assignment
diff --git a/spec/models/poll/voter_spec.rb b/spec/models/poll/voter_spec.rb
index c1c248550..f306248dc 100644
--- a/spec/models/poll/voter_spec.rb
+++ b/spec/models/poll/voter_spec.rb
@@ -83,6 +83,64 @@ describe :voter do
       expect(voter.errors.messages[:document_number]).to eq(["User has already voted"])
     end
 
+    context "origin" do
+
+      it "should not be valid without an origin" do
+        voter.origin = nil
+        expect(voter).to_not be_valid
+      end
+
+      it "should not be valid without a valid origin" do
+        voter.origin = "invalid_origin"
+        expect(voter).to_not be_valid
+      end
+
+      it "should be valid with a booth origin" do
+        voter.origin = "booth"
+        expect(voter).to be_valid
+      end
+
+      it "should be valid with a web origin" do
+        voter.origin = "web"
+        expect(voter).to be_valid
+      end
+
+    end
+
+  end
+
+  describe "scopes" do
+
+    describe "#web" do
+      it "returns voters with a web origin" do
+        voter1 = create(:poll_voter, origin: "web")
+        voter2 = create(:poll_voter, origin: "web")
+        voter3 = create(:poll_voter, origin: "booth")
+
+        web_voters = Poll::Voter.web
+
+        expect(web_voters.count).to eq(2)
+        expect(web_voters).to     include(voter1)
+        expect(web_voters).to     include(voter2)
+        expect(web_voters).to_not include(voter3)
+      end
+    end
+
+    describe "#booth" do
+      it "returns voters with a booth origin" do
+        voter1 = create(:poll_voter, origin: "booth")
+        voter2 = create(:poll_voter, origin: "booth")
+        voter3 = create(:poll_voter, origin: "web")
+
+        booth_voters = Poll::Voter.booth
+
+        expect(booth_voters.count).to eq(2)
+        expect(booth_voters).to     include(voter1)
+        expect(booth_voters).to     include(voter2)
+        expect(booth_voters).to_not include(voter3)
+      end
+    end
+
   end
 
   describe "save" do