diff --git a/apps/opencs/model/world/columns.cpp b/apps/opencs/model/world/columns.cpp
index ee7a00ca0f..c937997a92 100644
--- a/apps/opencs/model/world/columns.cpp
+++ b/apps/opencs/model/world/columns.cpp
@@ -62,7 +62,7 @@ namespace CSMWorld
             { ColumnId_StarterSpell, "Starter Spell" },
             { ColumnId_AlwaysSucceeds, "Always Succeeds" },
             { ColumnId_SleepForbidden, "Sleep Forbidden" },
-            { ColumnId_Water, "Has Water" },
+            { ColumnId_InteriorWater, "Interior Water" },
             { ColumnId_InteriorSky, "Interior Sky" },
             { ColumnId_Model, "Model" },
             { ColumnId_Script, "Script" },
@@ -309,7 +309,6 @@ namespace CSMWorld
             { ColumnId_Fog, "Fog" },
             { ColumnId_FogDensity, "Fog Density" },
             { ColumnId_WaterLevel, "Water Level" },
-            { ColumnId_InteriorWater, "Interior Water" },
             { ColumnId_MapColor, "Map Color" },
 
             { ColumnId_UseValue1, "Use value 1" },
diff --git a/apps/opencs/model/world/columns.hpp b/apps/opencs/model/world/columns.hpp
index 3a345b3ecd..191bbdea8c 100644
--- a/apps/opencs/model/world/columns.hpp
+++ b/apps/opencs/model/world/columns.hpp
@@ -57,7 +57,7 @@ namespace CSMWorld
             ColumnId_StarterSpell = 42,
             ColumnId_AlwaysSucceeds = 43,
             ColumnId_SleepForbidden = 44,
-            ColumnId_Water = 45,
+            ColumnId_InteriorWater = 45,
             ColumnId_InteriorSky = 46,
             ColumnId_Model = 47,
             ColumnId_Script = 48,
@@ -300,8 +300,7 @@ namespace CSMWorld
             ColumnId_Fog = 271,
             ColumnId_FogDensity = 272,
             ColumnId_WaterLevel = 273,
-            ColumnId_InteriorWater = 274,
-            ColumnId_MapColor = 275,
+            ColumnId_MapColor = 274,
 
             // Allocated to a separate value range, so we don't get a collision should we ever need
             // to extend the number of use values.
diff --git a/apps/opencs/model/world/data.cpp b/apps/opencs/model/world/data.cpp
index 00349d4765..920c7db719 100644
--- a/apps/opencs/model/world/data.cpp
+++ b/apps/opencs/model/world/data.cpp
@@ -287,7 +287,7 @@ CSMWorld::Data::Data (ToUTF8::FromType encoding, const ResourcesManager& resourc
     mCells.addColumn (new FixedRecordTypeColumn<Cell> (UniversalId::Type_Cell));
     mCells.addColumn (new NameColumn<Cell>);
     mCells.addColumn (new FlagColumn<Cell> (Columns::ColumnId_SleepForbidden, ESM::Cell::NoSleep));
-    mCells.addColumn (new FlagColumn<Cell> (Columns::ColumnId_Water, ESM::Cell::HasWater));
+    mCells.addColumn (new FlagColumn<Cell> (Columns::ColumnId_InteriorWater, ESM::Cell::HasWater));
     mCells.addColumn (new FlagColumn<Cell> (Columns::ColumnId_InteriorSky, ESM::Cell::QuasiEx));
     mCells.addColumn (new RegionColumn<Cell>);
     mCells.addColumn (new RefNumCounterColumn<Cell>);
@@ -306,8 +306,6 @@ CSMWorld::Data::Data (ToUTF8::FromType encoding, const ResourcesManager& resourc
         new NestedChildColumn (Columns::ColumnId_Fog, ColumnBase::Display_Integer));
     mCells.getNestableColumn(index)->addColumn(
         new NestedChildColumn (Columns::ColumnId_FogDensity, ColumnBase::Display_Float));
-    mCells.getNestableColumn(index)->addColumn(
-        new NestedChildColumn (Columns::ColumnId_InteriorWater, ColumnBase::Display_Boolean));
     mCells.getNestableColumn(index)->addColumn(
         new NestedChildColumn (Columns::ColumnId_WaterLevel, ColumnBase::Display_Float));
     mCells.getNestableColumn(index)->addColumn(
diff --git a/apps/opencs/model/world/nestedcoladapterimp.cpp b/apps/opencs/model/world/nestedcoladapterimp.cpp
index a63ebe672d..8c897f71cb 100644
--- a/apps/opencs/model/world/nestedcoladapterimp.cpp
+++ b/apps/opencs/model/world/nestedcoladapterimp.cpp
@@ -1064,6 +1064,7 @@ namespace CSMWorld
 
         bool isInterior = (cell.mData.mFlags & ESM::Cell::Interior) != 0;
         bool behaveLikeExterior = (cell.mData.mFlags & ESM::Cell::QuasiEx) != 0;
+        bool interiorWater = (cell.mData.mFlags & ESM::Cell::HasWater) != 0;
 
         switch (subColIndex)
         {
@@ -1072,16 +1073,15 @@ namespace CSMWorld
             case 2: return (isInterior && !behaveLikeExterior) ? cell.mAmbi.mSunlight : QVariant();
             case 3: return (isInterior && !behaveLikeExterior) ? cell.mAmbi.mFog : QVariant();
             case 4: return (isInterior && !behaveLikeExterior) ? cell.mAmbi.mFogDensity : QVariant();
-            case 5: return (isInterior && !behaveLikeExterior) ? cell.mWaterInt==true : QVariant();
-            case 6:
+            case 5:
             {
-                if (isInterior && !behaveLikeExterior && cell.mWaterInt)
+                if (isInterior && !behaveLikeExterior && interiorWater)
                     return cell.mWater;
                 else
                     return QVariant();
             }
-            case 7: return isInterior ? QVariant() : cell.mMapColor; // TODO: how to select?
-            //case 8: return isInterior ? behaveLikeExterior : QVariant();
+            case 6: return isInterior ? QVariant() : cell.mMapColor; // TODO: how to select?
+            //case 7: return isInterior ? behaveLikeExterior : QVariant();
             default: throw std::runtime_error("Cell subcolumn index out of range");
         }
     }
@@ -1093,6 +1093,7 @@ namespace CSMWorld
 
         bool isInterior = (cell.mData.mFlags & ESM::Cell::Interior) != 0;
         bool behaveLikeExterior = (cell.mData.mFlags & ESM::Cell::QuasiEx) != 0;
+        bool interiorWater = (cell.mData.mFlags & ESM::Cell::HasWater) != 0;
 
         switch (subColIndex)
         {
@@ -1138,21 +1139,13 @@ namespace CSMWorld
             }
             case 5:
             {
-                if (isInterior && !behaveLikeExterior)
-                    cell.mWaterInt = value.toBool();
-                else
-                    return; // return without saving
-                break;
-            }
-            case 6:
-            {
-                if (isInterior && !behaveLikeExterior && cell.mWaterInt)
+                if (isInterior && !behaveLikeExterior && interiorWater)
                     cell.mWater = value.toFloat();
                 else
                     return; // return without saving
                 break;
             }
-            case 7:
+            case 6:
             {
                 if (!isInterior)
                     cell.mMapColor = value.toInt();
@@ -1163,7 +1156,7 @@ namespace CSMWorld
 #if 0
             // redundant since this flag is shown in the main table as "Interior Sky"
             // keep here for documenting the logic based on vanilla
-            case 8:
+            case 7:
             {
                 if (isInterior)
                 {
@@ -1185,7 +1178,7 @@ namespace CSMWorld
 
     int CellListAdapter::getColumnsCount(const Record<CSMWorld::Cell>& record) const
     {
-        return 8;
+        return 7;
     }
 
     int CellListAdapter::getRowsCount(const Record<CSMWorld::Cell>& record) const