diff --git a/src/main/java/com/livingworld/modules/pollution/PollutionModule.java b/src/main/java/com/livingworld/modules/pollution/PollutionModule.java
index c8a6f8f..72f14a7 100644
--- a/src/main/java/com/livingworld/modules/pollution/PollutionModule.java
+++ b/src/main/java/com/livingworld/modules/pollution/PollutionModule.java
@@ -42,7 +42,7 @@ public final class PollutionModule implements SimulationModule {
 
     public static final String MODULE_ID = "pollution";
 
-    private static final double BASE_DECAY_RATE        = 0.008;
+    private static final double BASE_DECAY_RATE        = 0.002;
     private static final double GROUND_TO_WATER_LEACH  = 0.005;
     private static final double WATER_QUALITY_IMPACT   = 0.05;
     private static final double CHANGE_THRESHOLD       = 0.01;