diff --git a/app/controllers/api/v1/parks_controller.rb b/app/controllers/api/v1/parks_controller.rb
index 7dfa682..b1ee732 100644
--- a/app/controllers/api/v1/parks_controller.rb
+++ b/app/controllers/api/v1/parks_controller.rb
@@ -2,10 +2,11 @@ class Api::V1::ParksController < ApplicationController
   DEFAULT_PAGE_SIZE = 10
 
   def index
-    parks = Park
-      .limit(per_page)
-      .offset((page - 1) * per_page)
-    render json: parks
+    parks = Park.all
+    if params[:state].present?
+      parks = parks.where("states like '%' || ? || '%'", params[:state])
+    end
+    render json: parks.limit(per_page).offset((page - 1) * per_page)
   end
 
   private