diff --git a/script/sql/create/0.base.sql b/script/sql/create/0.base.sql
index 75d70d7..d89abea 100644
--- a/script/sql/create/0.base.sql
+++ b/script/sql/create/0.base.sql
@@ -4,7 +4,7 @@ create type _link_type as enum ('pipe', 'pump', 'valve');
 
 create type _curve_type as enum ('PUMP', 'EFFICIENCY', 'VOLUME', 'HEADLOSS');
 
-create type _region_type as enum ('DISTRIBUTION', 'DMA', 'SA', 'PMA','VA');
+create type _region_type as enum ('NONE', 'DMA', 'SA', 'VD', 'WDA');
 
 create table _node
 (