diff --git a/gamedir/Data-1.13/Ja2_Options.INI b/gamedir/Data-1.13/Ja2_Options.INI
index 263ede00b..26569abaa 100644
--- a/gamedir/Data-1.13/Ja2_Options.INI
+++ b/gamedir/Data-1.13/Ja2_Options.INI
@@ -2667,6 +2667,24 @@ HEARING_REDUCTION_THUNDERSTORM = 0.8
 HEARING_REDUCTION_SANDSTORM = 0.6
 HEARING_REDUCTION_SNOW = 0.1
 
+;******************************************************************************************************************************
+;******************************************************************************************************************************
+
+[Environment Hazard Settings]
+
+;******************************************************************************************************************************
+; In this section you can enable various hazards to soldiers. These depend on the sector they are in.
+;******************************************************************************************************************************
+
+;------------------------------------------------------------------------------------------------------------------------------
+; Snake settings
+;
+; In some sectors, water sources harbour venomous snakes. These will occasionally attack anyone in that water.
+; The chance of snakes being active can be set via <snakechance> in SectorNames.xml. This chance is evaluated anew each turn.
+; Soldiers have a small chance of evading an attack, this is raised if they have the survival trait or a knife.
+;------------------------------------------------------------------------------------------------------------------------------
+
+ALLOW_SNAKES = TRUE
 
 ;******************************************************************************************************************************
 ;******************************************************************************************************************************
diff --git a/gamedir/Data-1.13/Skills_Settings.INI b/gamedir/Data-1.13/Skills_Settings.INI
index 34e6ba5c2..012c99bd2 100644
--- a/gamedir/Data-1.13/Skills_Settings.INI
+++ b/gamedir/Data-1.13/Skills_Settings.INI
@@ -867,4 +867,7 @@ DISEASE_RESISTANCE = 10
 ; modifies how fast food is consumed, e.g. -50 means food consumption is lowered by 50%
 ; values from -100% to 100%
 FOOD_CONSUMPTION = -20
-DRINK_CONSUMPTION = -10
\ No newline at end of file
+DRINK_CONSUMPTION = -10
+
+; bonus to evade snake attacks in water
+SNAKE_EVADE_BONUS = 10
\ No newline at end of file
diff --git a/gamedir/Data-1.13/TableData/Map/SectorNames.xml b/gamedir/Data-1.13/TableData/Map/SectorNames.xml
index d9b11cafb..86800f745 100644
--- a/gamedir/Data-1.13/TableData/Map/SectorNames.xml
+++ b/gamedir/Data-1.13/TableData/Map/SectorNames.xml
@@ -45,6 +45,9 @@
 	
 	<snowchance>
 	chance that, if it snows, it will also happen in this sector
+	
+	<snakechance>
+	Value between 0 and 100. If > 0, snakes can attack people in water. The higher the value, the more frequent this happens.
 -->
 <SECTOR_NAMES>
   <SECTOR>
@@ -58,6 +61,8 @@
     <usCivilianPopulation>2</usCivilianPopulation>
 	<rainchance>80</rainchance>
 	<sandstormchance>0</sandstormchance>
+	<snowchance>0</snowchance>
+	<snakechance>0</snakechance>
   </SECTOR>
   <SECTOR>
     <SectorGrid>A2</SectorGrid>
@@ -407,6 +412,7 @@
     <usNaturalDirt>500</usNaturalDirt>
 	<rainchance>70</rainchance>
 	<sandstormchance>0</sandstormchance>
+	<snakechance>50</snakechance>
   </SECTOR>
   <SECTOR>
     <SectorGrid>B16</SectorGrid>
@@ -586,6 +592,7 @@
     <usNaturalDirt>500</usNaturalDirt>
  	<rainchance>70</rainchance>
 	<sandstormchance>0</sandstormchance>
+	<snakechance>50</snakechance>
   </SECTOR>	
    <SECTOR>
     <SectorGrid>C16</SectorGrid>
@@ -597,6 +604,7 @@
     <usNaturalDirt>100</usNaturalDirt>
  	<rainchance>70</rainchance>
 	<sandstormchance>0</sandstormchance>
+	<snakechance>50</snakechance>
   </SECTOR>
    <SECTOR>
     <SectorGrid>D1</SectorGrid>
@@ -736,6 +744,7 @@
     <usNaturalDirt>500</usNaturalDirt>
  	<rainchance>60</rainchance>
 	<sandstormchance>0</sandstormchance>
+	<snakechance>50</snakechance>
   </SECTOR>
    <SECTOR>
     <SectorGrid>D13</SectorGrid>
@@ -896,6 +905,7 @@
     <usNaturalDirt>500</usNaturalDirt>
  	<rainchance>70</rainchance>
 	<sandstormchance>0</sandstormchance>
+	<snakechance>50</snakechance>
   </SECTOR>
    <SECTOR>
     <SectorGrid>E11</SectorGrid>
@@ -940,6 +950,7 @@
     <usNaturalDirt>500</usNaturalDirt>
  	<rainchance>70</rainchance>
 	<sandstormchance>0</sandstormchance>
+	<snakechance>50</snakechance>
   </SECTOR> 
    <SECTOR>
     <SectorGrid>E15</SectorGrid>
@@ -1333,6 +1344,7 @@
     <usNaturalDirt>500</usNaturalDirt>
  	<rainchance>60</rainchance>
 	<sandstormchance>0</sandstormchance>
+	<snakechance>50</snakechance>
   </SECTOR>
    <SECTOR>
     <SectorGrid>H1</SectorGrid>
@@ -1513,6 +1525,7 @@
     <usNaturalDirt>500</usNaturalDirt>
  	<rainchance>70</rainchance>
 	<sandstormchance>0</sandstormchance>
+	<snakechance>50</snakechance>
   </SECTOR>
    <SECTOR>
     <SectorGrid>H16</SectorGrid>
@@ -1764,6 +1777,7 @@
     <usNaturalDirt>500</usNaturalDirt>
  	<rainchance>75</rainchance>
 	<sandstormchance>0</sandstormchance>
+	<snakechance>50</snakechance>
   </SECTOR>
    <SECTOR>
     <SectorGrid>J5</SectorGrid>
@@ -1775,6 +1789,7 @@
     <usNaturalDirt>500</usNaturalDirt>
  	<rainchance>75</rainchance>
 	<sandstormchance>0</sandstormchance>
+	<snakechance>50</snakechance>
   </SECTOR>
    <SECTOR>
     <SectorGrid>J6</SectorGrid>
@@ -1949,6 +1964,7 @@
     <usNaturalDirt>500</usNaturalDirt>
  	<rainchance>80</rainchance>
 	<sandstormchance>0</sandstormchance>
+	<snakechance>50</snakechance>
   </SECTOR>
    <SECTOR>
     <SectorGrid>K4</SectorGrid>
@@ -1961,6 +1977,7 @@
     <usCurfewValue>2</usCurfewValue>
  	<rainchance>80</rainchance>
 	<sandstormchance>0</sandstormchance>
+	<snakechance>50</snakechance>
   </SECTOR>
    <SECTOR>
     <SectorGrid>K5</SectorGrid>
@@ -1972,6 +1989,7 @@
     <usNaturalDirt>500</usNaturalDirt>
  	<rainchance>80</rainchance>
 	<sandstormchance>0</sandstormchance>
+	<snakechance>50</snakechance>
   </SECTOR>
    <SECTOR>
     <SectorGrid>K6</SectorGrid>
@@ -2126,6 +2144,7 @@
     <usNaturalDirt>500</usNaturalDirt>
  	<rainchance>80</rainchance>
 	<sandstormchance>0</sandstormchance>
+	<snakechance>50</snakechance>
   </SECTOR>
    <SECTOR>
     <SectorGrid>L4</SectorGrid>
@@ -2137,6 +2156,7 @@
     <usNaturalDirt>500</usNaturalDirt>
  	<rainchance>80</rainchance>
 	<sandstormchance>0</sandstormchance>
+	<snakechance>50</snakechance>
   </SECTOR>
    <SECTOR>
     <SectorGrid>L5</SectorGrid>
@@ -2250,6 +2270,7 @@
     <usNaturalDirt>500</usNaturalDirt>
  	<rainchance>80</rainchance>
 	<sandstormchance>0</sandstormchance>
+	<snakechance>50</snakechance>
   </SECTOR>
    <SECTOR>
     <SectorGrid>L15</SectorGrid>
@@ -2307,6 +2328,7 @@
     <usCurfewValue>2</usCurfewValue>
  	<rainchance>90</rainchance>
 	<sandstormchance>0</sandstormchance>
+	<snakechance>50</snakechance>
   </SECTOR>
    <SECTOR>
     <SectorGrid>M4</SectorGrid>
@@ -2432,6 +2454,7 @@
     <usNaturalDirt>500</usNaturalDirt>
  	<rainchance>70</rainchance>
 	<sandstormchance>0</sandstormchance>
+	<snakechance>50</snakechance>
   </SECTOR>
    <SECTOR>
     <SectorGrid>M15</SectorGrid>
diff --git a/gamedir/Data/Sounds/WATERSNAKE_ATTACK_01.WAV b/gamedir/Data/Sounds/WATERSNAKE_ATTACK_01.WAV
new file mode 100644
index 000000000..7cb9f871b
Binary files /dev/null and b/gamedir/Data/Sounds/WATERSNAKE_ATTACK_01.WAV differ
diff --git a/gamedir/Data/Sounds/WATERSNAKE_ATTACK_02.WAV b/gamedir/Data/Sounds/WATERSNAKE_ATTACK_02.WAV
new file mode 100644
index 000000000..2d0b66bc1
Binary files /dev/null and b/gamedir/Data/Sounds/WATERSNAKE_ATTACK_02.WAV differ
diff --git a/gamedir/Data/Sounds/WATERSNAKE_MOVE_01.WAV b/gamedir/Data/Sounds/WATERSNAKE_MOVE_01.WAV
new file mode 100644
index 000000000..91bfcd408
Binary files /dev/null and b/gamedir/Data/Sounds/WATERSNAKE_MOVE_01.WAV differ
diff --git a/gamedir/Data/Sounds/WATERSNAKE_MOVE_02.WAV b/gamedir/Data/Sounds/WATERSNAKE_MOVE_02.WAV
new file mode 100644
index 000000000..fdf5dc93a
Binary files /dev/null and b/gamedir/Data/Sounds/WATERSNAKE_MOVE_02.WAV differ
diff --git a/gamedir/Data/Tilecache/WATERSNAKE_MOVE.sti b/gamedir/Data/Tilecache/WATERSNAKE_MOVE.sti
new file mode 100644
index 000000000..f656d970e
Binary files /dev/null and b/gamedir/Data/Tilecache/WATERSNAKE_MOVE.sti differ