Waterlogging

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Not to be confused with Snowlogging.
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A waterlogged oak fence.

Waterlogging is the mechanic that allows non-solid blocks (that is, blocks that do not completely fill their block volume, such as doors, ladders, and plants) to be filled with a water source block. Both the non-solid block and the water source block occupy the same space. If the non-solid block is destroyed, the water source block remains.

In Bedrock Edition, generally all non-solid blocks can be waterlogged and none can be used to displace water source blocks, although they can still displace flowing water.

Mechanism[edit]

In Java Edition, certain blocks have a waterlogged block state that can be true or false. This is a temporary solution; a full separation of blocks and fluids is planned[1].

In Java Edition, when the waterlogging block that can be pushed by the piston fails to be recovered within 2 ticks, the waterlogging state of the block is eliminated. Otherwise, the block can retain the waterlogging state. This feature can be used in the circuit of piston worm. It is an alternative solution that the dispenser cannot be pushed by the piston in Java Edition.

In Bedrock Edition, waterlogging is handled by the game's layers system. Through editing, any block can be waterlogged, as well as other things such as placing multiple slabs into a single block. In normal gameplay, a player cannot displace water source blocks using doors or other non-solid blocks to create breathing spaces underwater, like one can do in Java Edition. Only flowing water can be displaced in Bedrock Editon.

Behavior[edit]

Section may be incomplete.

Block Can be in water in JE Can be in water in BE Additional notes
Activator Rail Pops off‌[until 1.17] Source
Source‌[upcoming: 1.17]
Amethyst Cluster[upcoming: JE 1.17 & BE 1.17.0] Source Source
Anvil No Source
Azalea No Source
Bamboo No Pops off Placement in water completely fails in Bedrock.
Banner No Source
Barrier No Source
Beacon No Source
Bed No Source Water Breathing or Conduit Power is required to sleep in waterlogged beds.
Beetroots Pops off Pops off Placement in water completely fails in Bedrock.
Bell No Source
Big Dripleaf[upcoming: JE 1.17 & BE 1.17.0] Source Source Removes water it is placed in Bedrock Edition.
Brewing Stand No Source
Bubble Column Inherent Inherent
Button Pops off Source Destroyed by flowing water in Java Edition
Cactus No Source Cannot be placed inside water in Bedrock, even though they can technically be waterlogged
Cake No Source
Campfire Source Source Campfires unlight upon becoming waterlogged.
Candle[upcoming: JE 1.17] Source N/A Candles unlight upon becoming waterlogged.
Carpet Pops off Source Destroyed by flowing water.
Carrots Pops off Pops off Placement in water completely fails in Bedrock.
Cauldron No Source Waterlogged cauldrons fill up. If a cauldron contains a potion when it becomes waterlogged, the potion is replaced with water.
Chain Source Source
Chest Source Source
Chorus Flower No No Placement in water completely fails in Bedrock.
Chorus Plant Pops off Pops off Placement in water completely fails in Bedrock.
Cobweb Pops off Source Destroyed by flowing water.
Cocoa Pops off Pops off Placement in water completely fails in Bedrock Edition.
Composter No Source
Compound Creator[BE only] N/A Flowing and source Removes flowing water it is placed in, see MCPE-33345
Conduit Source Source
Coral Source Source
Coral Fan Source Source Destroyed by flowing water in Bedrock Edition
Daylight Detector No Source
Dead Bush Pops off Source Destroyed by flowing water.
Dead Coral Source Source
Dead Coral Fan Source Source Destroyed by flowing water in Bedrock Edition
Detector Rail Pops off‌[until 1.17] Source
Source‌[upcoming: 1.17]
Door No Source
Dragon Egg No Source
Element Constructor[BE only] N/A Flowing and source Removes flowing water it is placed in, see MCPE-33345
Enchanting Table No Source
End Portal Frame No Source
End Rod Pops off Flowing and source Removes flowing water it is placed in, see MCPE-33345
Ender Chest Source Source
Fence Source Source
Fence Gate No Source
Fern Pops off Pops off Destroyed by flowing water.
Flower Pops off Pops off Destroyed by flowing water. Can also be waterlogged if it contains a plant.
Flower Pot Pops off Source Destroyed by flowing water.
Flowering Azalea No Source
Fungus Pops off Pops off Placement in water completely fails in Bedrock.
Glass Pane Source Source
Glow Lichen[upcoming: JE 1.17 & BE 1.17.0] Source Source
Grass Pops off Pops off Destroyed by flowing water.
Grindstone No Source
Hanging Roots[upcoming: JE 1.17 & BE 1.17.0] Source Source
Hardened Glass Pane[BE only] N/A Source
Hopper No Source
Iron Bars Source Source
Item Frame Flowing and source Source Handled as a block only in Bedrock Edition.
Kelp Inherent Inherent
Lab Table[BE only] N/A Flowing and source Removes flowing water it is placed in, see MCPE-33345
Ladder Source Source
Lantern Source Source
Large Fern Pops off Pops off Destroyed by flowing water.
Leaves No Source
Lectern No Source
Lever Pops off Flowing and source Removes flowing water it is placed in, see MCPE-33345
Light Block[upcoming: JE 1.17] Source Flowing and source Removes flowing water it is placed in, see MCPE-33345
Lightning Rod[upcoming: JE 1.17 & BE 1.17.0] Source Source
Lily Pad Pops off Pops off Placement in water completely fails in Bedrock.
Material Reducer[BE only] N/A Flowing and source Removes flowing water it is placed in, see MCPE-33345
Mob head Pops off Source Destroyed by flowing water.
Mushroom Pops off Pops off Placement in water completely fails in Bedrock Edition.
Nether Sprouts Pops off Pops off Placement in water completely fails in Bedrock Edition.
Nether Wart Pops off Pops off Placement in water completely fails in Bedrock Edition.
Piston No Source In Bedrock, piston heads extending into water do not become waterlogged, but can be waterlogged manually.
Potatoes Pops off Pops off Placement in water completely fails in Bedrock Edition.
Pointed Dripstone[upcoming: JE 1.17 & BE 1.17.0] Source‌[upcoming: 1.17] Source‌[upcoming: BE 1.17.0] Able to drip lava in a waterlogged state, see MC-207419.
Powered Rail Pops off‌[until 1.17] Source
Source‌[upcoming: 1.17]
Pressure Plate No Source
Rail Pops off‌[until 1.17] Source
Source‌[upcoming: 1.17]
Redstone Comparator Pops off Flowing and source Removes flowing water it is placed in, see MCPE-33345
Redstone Dust Pops off Pops off Placement in water completely fails in Bedrock Edition.
Redstone Repeater Pops off Flowing and source Removes flowing water it is placed in, see MCPE-33345
Redstone Torch Pops off Pops off Placement in water completely fails in Bedrock.
Roots Pops off Pops off Placement in water completely fails in Bedrock.
Sapling Pops off Pops off Destroyed by flowing water.
Scaffolding Source Source
Sculk Sensor[upcoming: JE 1.17.0 & BE 1.17.0] Source Source Applies glowing effect to water it's placed in when activates. Sculk sensors are silent in water.
Sea Pickle Source Source Destroyed by flowing water. Only waterlogged sea pickles emit light.
Seagrass Inherent Inherent
Shulker Box No Source
Sign Source Source
Slab Source Source
Small Dripleaf[upcoming: JE 1.17 & BE 1.17.0] Source Source
Snow Pops off Pops off Placement in water completely fails in Bedrock.
Spawner No Source
Spore Blossom[upcoming: JE 1.17 & BE 1.17.0] No Source
Stairs Source Source
Structure Block No Source
Stonecutter No Source
Sugar Cane No Pops off Placement in water completely fails in Bedrock.
Sweet Berry Bush Pops off Pops off Placement in water completely fails in Bedrock.
Tall Grass Pops off Pops off Destroyed by flowing water.
Tall Seagrass Inherent Inherent
Torch Pops off Pops off Placement in water completely fails in Bedrock.
Trapdoor Source Source
Trapped Chest Source Source
Tripwire Pops off Flowing and source Removes flowing water it is placed in, see MCPE-33345
Tripwire Hook Pops off Flowing and source Removes flowing water it is placed in, see MCPE-33345
Turtle Egg No Source
Twisting Vines Pops off Pops off Placement in water completely fails in Bedrock
Underwater Torch[BE & EE only] N/A Source
Vines Pops off Source Destroyed by flowing water.
Wall Source Source
Wheat Pops off Pops off Placement in water completely fails in Bedrock Edition.
Weeping Vines Pops off Pops off Placement in water completely fails in Bedrock Edition.
All other blocks No No

See MC-125351 for more info on Java Edition.

History[edit]

Java Edition Classic
May 22, 2009Notch pointed out that "odd-shaped" blocks would appear as if in air, and proposes potential fixes.
Java Edition
1.1318w10cChests, trapped chests, stairs, slabs, fences, walls, iron bars, and glass panes are now able to be waterlogged.
18w10dEnder chests, trapdoors, ladders, and signs are now able to be waterlogged.
18w14bWaterlogged blocks no longer remove the water they are inside when broken.[2]
1.1418w45aAdded scaffolding, which can be waterlogged.
19w02aAdded the campfire, which can be waterlogged.
1.1620w18aChains can now be waterlogged.
1.16.220w30aLanterns and soul lanterns can now be waterlogged.
Upcoming Java Edition
October 22, 2020A leaked screenshot was accidentally posted in a bug report that said "waterlogged-rail", which was later removed.
1.1720w45aRails can now be waterlogged.
21w03aAdded Glow Lichen, which can be waterlogged.
21w05aAdded Small Dripleaf and Big Dripleaf, which can be waterlogged.
21w10aChangelog states that lightning rods can now be waterlogged, though this is not the case.
21w11aLightning rods can now be waterlogged.
21w17aHanging roots can now be waterogged
Bedrock Edition
November 18, 2017Flowing water was shown to intersect oak fences and grass, a feature that never actually made it into the game.
1.2.13beta 1.2.13.5Water now can be placed in the same blocks as slabs and stairs.
1.4.0beta 1.2.14.2Water now can be placed inside of most non-solid blocks,[more information needed] instead of just slabs and stairs.
?Most land plants can no longer be waterlogged.[more information needed]
1.8.0?Rail variants can no longer be waterlogged by flowing water.
1.9.0beta 1.9.0.2Added more waterlogged blocks.[more information needed]
1.10.0beta 1.10.0.3Added more waterlogged blocks.[more information needed]
1.16.0beta 1.16.0.57Added more waterlogged blocks.[more information needed]

Trivia[edit]

  • Glass bottles can be filled up with water from waterlogged blocks, even if water is not accessible from the targeted area‌[Java Edition only].[3]
    • In Bedrock Edition, this is not possible since waterlogged blocks in general can’t be used to fill empty bottles.[4]

See also[edit]

References[edit]