diff --git a/layers/aeroway/mapping.yaml b/layers/aeroway/mapping.yaml
index 4be4358..72f0b72 100644
--- a/layers/aeroway/mapping.yaml
+++ b/layers/aeroway/mapping.yaml
@@ -2,19 +2,19 @@ generalized_tables:
   # etldoc: imposm3 -> osm_aeroway_polygon_gen3
   aeroway_polygon_gen3:
     source: aeroway_polygon_gen2
-    sql_filter: area>power(ZRES11,2)
+    sql_filter: area>power(ZRES10,2)
     tolerance: ZRES11
 
   # etldoc: imposm3 -> osm_aeroway_polygon_gen2
   aeroway_polygon_gen2:
     source: aeroway_polygon_gen1
-    sql_filter: area>power(ZRES12,2)
+    sql_filter: area>power(ZRES11,2)
     tolerance: ZRES12
 
   # etldoc: imposm3 -> osm_aeroway_polygon_gen1
   aeroway_polygon_gen1:
     source: aeroway_polygon
-    sql_filter: area>power(ZRES13,2)
+    sql_filter: area>power(ZRES12,2)
     tolerance: ZRES13
 tables:
   # etldoc: imposm3 -> osm_aeroway_polygon
diff --git a/layers/park/mapping.yaml b/layers/park/mapping.yaml
index 221d49a..777a438 100644
--- a/layers/park/mapping.yaml
+++ b/layers/park/mapping.yaml
@@ -2,49 +2,49 @@ generalized_tables:
   # etldoc: imposm3 -> osm_park_polygon_gen8
   park_polygon_gen8:
     source: park_polygon_gen6
-    sql_filter: area>power(ZRES6,2)
+    sql_filter: area>power(ZRES5,2)
     tolerance: ZRES6
 
   # etldoc: imposm3 -> osm_park_polygon_gen7
   park_polygon_gen7:
     source: park_polygon_gen6
-    sql_filter: area>power(ZRES7,2)
+    sql_filter: area>power(ZRES6,2)
     tolerance: ZRES7
 
   # etldoc: imposm3 -> osm_park_polygon_gen6
   park_polygon_gen6:
     source: park_polygon_gen5
-    sql_filter: area>power(ZRES8,2)
+    sql_filter: area>power(ZRES7,2)
     tolerance: ZRES8
 
   # etldoc: imposm3 -> osm_park_polygon_gen5
   park_polygon_gen5:
     source: park_polygon_gen4
-    sql_filter: area>power(ZRES9,2)
+    sql_filter: area>power(ZRES8,2)
     tolerance: ZRES9
 
   # etldoc: imposm3 -> osm_park_polygon_gen4
   park_polygon_gen4:
     source: park_polygon_gen3
-    sql_filter: area>power(ZRES10,2)
+    sql_filter: area>power(ZRES9,2)
     tolerance: ZRES10
 
   # etldoc: imposm3 -> osm_park_polygon_gen3
   park_polygon_gen3:
     source: park_polygon_gen2
-    sql_filter: area>power(ZRES11,2)
+    sql_filter: area>power(ZRES10,2)
     tolerance: ZRES11
 
   # etldoc: imposm3 -> osm_park_polygon_gen2
   park_polygon_gen2:
     source: park_polygon_gen1
-    sql_filter: area>power(ZRES12,2)
+    sql_filter: area>power(ZRES11,2)
     tolerance: ZRES12
 
   # etldoc: imposm3 -> osm_park_polygon_gen1
   park_polygon_gen1:
     source: park_polygon
-    sql_filter: area>power(ZRES13,2)
+    sql_filter: area>power(ZRES12,2)
     tolerance: ZRES13
 
 tables:
diff --git a/layers/water/mapping.yaml b/layers/water/mapping.yaml
index c042e9a..dfdfe6b 100644
--- a/layers/water/mapping.yaml
+++ b/layers/water/mapping.yaml
@@ -3,37 +3,37 @@ generalized_tables:
   # etldoc: imposm3 -> osm_water_polygon_gen6
   water_polygon_gen6:
     source: water_polygon_gen5
-    sql_filter: area>power(ZRES6,2)
+    sql_filter: area>power(ZRES5,2)
     tolerance: ZRES6
 
   # etldoc: imposm3 -> osm_water_polygon_gen5
   water_polygon_gen5:
     source: water_polygon_gen4
-    sql_filter: area>power(ZRES7,2)
+    sql_filter: area>power(ZRES6,2)
     tolerance: ZRES7
 
   # etldoc: imposm3 -> osm_water_polygon_gen4
   water_polygon_gen4:
     source: water_polygon_gen3
-    sql_filter: area>power(ZRES8,2)
+    sql_filter: area>power(ZRES7,2)
     tolerance: ZRES8
 
   # etldoc: imposm3 -> osm_water_polygon_gen3
   water_polygon_gen3:
     source: water_polygon_gen2
-    sql_filter: area>power(ZRES9,2)
+    sql_filter: area>power(ZRES8,2)
     tolerance: ZRES9
 
   # etldoc: imposm3 -> osm_water_polygon_gen2
   water_polygon_gen2:
     source: water_polygon_gen1
-    sql_filter: area>power(ZRES10,2)
+    sql_filter: area>power(ZRES9,2)
     tolerance: ZRES10
 
   # etldoc: imposm3 -> osm_water_polygon_gen1
   water_polygon_gen1:
     source: water_polygon
-    sql_filter: area>power(ZRES11,2)
+    sql_filter: area>power(ZRES10,2)
     tolerance: ZRES11
 
 tables: