--- ../src-base/minecraft/net/minecraft/block/BlockDynamicLiquid.java
+++ ../src-work/minecraft/net/minecraft/block/BlockDynamicLiquid.java
@@ -26,6 +26,7 @@
 
     public void func_180650_b(World p_180650_1_, BlockPos p_180650_2_, IBlockState p_180650_3_, Random p_180650_4_)
     {
+        if (!p_180650_1_.func_175697_a(p_180650_2_, this.func_185698_b(p_180650_1_))) return; // Forge: avoid loading unloaded chunks
         int i = ((Integer)p_180650_3_.func_177229_b(field_176367_b)).intValue();
         int j = 1;
 
@@ -67,7 +68,7 @@
                 }
             }
 
-            if (this.field_149815_a >= 2 && this.field_149764_J == Material.field_151586_h)
+            if (this.field_149815_a >= 2 && net.minecraftforge.event.ForgeEventFactory.canCreateFluidSource(p_180650_1_, p_180650_2_, p_180650_3_, this.field_149764_J == Material.field_151586_h))
             {
                 IBlockState iblockstate = p_180650_1_.func_180495_p(p_180650_2_.func_177977_b());
 
@@ -118,7 +119,7 @@
         {
             if (this.field_149764_J == Material.field_151587_i && p_180650_1_.func_180495_p(p_180650_2_.func_177977_b()).func_185904_a() == Material.field_151586_h)
             {
-                p_180650_1_.func_175656_a(p_180650_2_.func_177977_b(), Blocks.field_150348_b.func_176223_P());
+                p_180650_1_.func_175656_a(p_180650_2_.func_177977_b(), net.minecraftforge.event.ForgeEventFactory.fireFluidPlaceBlockEvent(p_180650_1_, p_180650_2_.func_177977_b(), p_180650_2_, Blocks.field_150348_b.func_176223_P()));
                 this.func_180688_d(p_180650_1_, p_180650_2_.func_177977_b());
                 return;
             }
@@ -166,6 +167,7 @@
                 }
                 else
                 {
+                    if (p_176375_3_.func_177230_c() != Blocks.field_150431_aC) //Forge: Vanilla has a 'bug' where snowballs don't drop like every other block. So special case because ewww...
                     p_176375_3_.func_177230_c().func_176226_b(p_176375_1_, p_176375_2_, p_176375_3_, 0);
                 }
             }
@@ -187,7 +189,7 @@
 
                 if (!this.func_176372_g(p_176374_1_, blockpos, iblockstate) && (iblockstate.func_185904_a() != this.field_149764_J || ((Integer)iblockstate.func_177229_b(field_176367_b)).intValue() > 0))
                 {
-                    if (!this.func_176372_g(p_176374_1_, blockpos.func_177977_b(), iblockstate))
+                    if (!this.func_176372_g(p_176374_1_, blockpos.func_177977_b(), p_176374_1_.func_180495_p(blockpos.func_177977_b())))
                     {
                         return p_176374_3_;
                     }
@@ -254,11 +256,12 @@
 
     private boolean func_176372_g(World p_176372_1_, BlockPos p_176372_2_, IBlockState p_176372_3_)
     {
-        Block block = p_176372_1_.func_180495_p(p_176372_2_).func_177230_c();
+        Block block = p_176372_3_.func_177230_c(); //Forge: state must be valid for position
+        Material mat = p_176372_3_.func_185904_a();
 
         if (!(block instanceof BlockDoor) && block != Blocks.field_150472_an && block != Blocks.field_150468_ap && block != Blocks.field_150436_aH)
         {
-            return block.field_149764_J != Material.field_151567_E && block.field_149764_J != Material.field_189963_J ? block.field_149764_J.func_76230_c() : true;
+            return mat != Material.field_151567_E && mat != Material.field_189963_J ? mat.func_76230_c() : true;
         }
         else
         {