diff --git a/mods/ts/rules/civilian-structures.yaml b/mods/ts/rules/civilian-structures.yaml
index 603e7d1140..5bcf6c83e8 100644
--- a/mods/ts/rules/civilian-structures.yaml
+++ b/mods/ts/rules/civilian-structures.yaml
@@ -1085,7 +1085,7 @@ CITY22:
 CTDAM:
 	Inherits: ^CivBuilding
 	Tooltip:
-		Name: Dam
+		Name: Hydroelectric Dam
 		Description: Provides power for other structures
 	Building:
 		Footprint: xx xx xx xx xx
@@ -1100,6 +1100,10 @@ CTDAM:
 		Prerequisite: anypower
 	EditorTilesetFilter:
 		ExcludeTilesets: SNOW
+	WithIdleOverlay@LIGHTS:
+		Sequence: idle-lights
+	WithIdleOverlay@WATER:
+		Sequence: idle-water
 
 CTVEGA:
 	Inherits: ^CivBuilding
diff --git a/mods/ts/sequences/civilian.yaml b/mods/ts/sequences/civilian.yaml
index 42c474a085..878e1ed3b3 100644
--- a/mods/ts/sequences/civilian.yaml
+++ b/mods/ts/sequences/civilian.yaml
@@ -801,6 +801,22 @@ city22:
 
 ctdam:
 	idle:
+	damaged-idle:
+		Start: 1
+	idle-lights: ctdam_a
+		Length: 8
+		Tick: 200
+	damaged-idle-lights: ctdam_a
+		Start: 8
+		Length: 8
+		Tick: 200
+	idle-water: ctdam_b
+		Length: 8
+		Tick: 200
+	damaged-idle-water: ctdam_b
+		Start: 8
+		Length: 8
+		Tick: 200
 
 ctvega:
 	Defaults: